List of the oldest buildings in Maryland

|File:Brooke Place Manor 2020.jpg

|St. Leonard, Maryland

|1652

|Residence

|This is primarily an 1840 structure; that year a "completely new interior" was installed; "all that remains of the first (1652) house are the (lower part of the) exterior walls." The original house was a Flemish bond brick structure of 1-1/2 stories with a very steep A-roof. The current 1840 building is a 2-1/2 story Greek revival structure with a gently sloping A-roof on 100 remaining acres of the original 2,100 acres granted to Robert Brooke, Sr in 1649.

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| Church Creek, Maryland

| 1675

| Religious

| Church building in continuous use; as such, oldest in the US.{{cite web|title=Old Trinity Church HABS MD No. 201|url=http://lcweb2.loc.gov/pnp/habshaer/md/md0300/md0398/data/md0398data.pdf|work=Historic American Buildings Survey|publisher=US National Park Service|accessdate=May 6, 2014|url-status=dead|archiveurl=https://web.archive.org/web/20140506215434/http://lcweb2.loc.gov/pnp/habshaer/md/md0300/md0398/data/md0398data.pdf|archivedate=May 6, 2014}}

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| Talbot County, Maryland

| 1682

| Religious

| Oldest Quaker meeting house in the United States

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| Fort Lincoln Cemetery, Prince George's County, Maryland

| 1683

| Springhouse

| Small springhouse structure. In Maryland by 300 ft.{{Cite web|url=http://www.fort-lincoln.com/location/about/facility.html|title = Fort Lincoln Funeral Home & Cemetery | Funeral, Cremation & Cemetery}}

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| Stevenson, Maryland

| {{circa|1695}}

| Fort

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| Friendship, Maryland

| 1698 (fall or winter); 1713; {{circa|1730}}

| Residence

| Primitive, two-room, {{frac|1|1|2}}-story frame house at its incarnation. Two subsequent additions/upgrades performed, including a full structural brick encasement in {{circa|1730}}.{{cite web|url=https://mht.maryland.gov/nr/NRDetail.aspx?NRID=59|title=Maryland's National Register Properties: Holly Hill|publisher=Maryland Historical Trust|website=MHT.Maryland.gov|language=en-US|access-date=August 5, 2019}}

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| Lusby, Maryland

| {{circa|1700}}

| Residence

| Oldest part built between 1670 and 1700.

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| Annapolis, Maryland

| {{circa|1700s}}

| Residence

| Unconfirmed date of construction. Dendrochronology points to a date as early as 1681, but other sources point toward 1739. Historical marker inscribed with a {{circa|1700s}} date.

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| Hollywood, Maryland

| 1702

| Museum

| Popular public historic interpretation and living history exhibits

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| Galesville, Maryland

| 1702

| Residence

| Date was ascertained through dendrochronology.

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| Wye Mills, Maryland

| 1705

| Residential

| Dendrochronological analysis has been able to date a number of the key construction phases.{{cite web|author=Oxford Tree-Ring Laboratory|title=The Tree-Ring Dating of Cloverfields, Wye Mills, Maryland|url=https://www.dendrochronology.com/CFMDx1.html|website=Dendrochronology.net|access-date=August 14, 2024}}

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| Rehobeth, Maryland

| 1706; 1888; 1954–1955

| Religious

| Oldest Presbyterian Church in continuous use in the United States{{cite web|last1=Hill|first1=Ann|last2=Snyderman |first2=Lois|title=Rehoboth Presbyterian Church|url=https://mht.maryland.gov/secure/medusa/PDF/NR_PDFs/NR-257.pdf |website=Maryland Inventory of Historic Properties|publisher=Maryland Historical Trust|language=en-US|access-date=December 4, 2018}}

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| Queenstown, Maryland

| 1708

| Government

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| Chestertown, Maryland

| 1694–1709

| Residence

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| Edgewater, Maryland

| 1710

| Religious

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| Fairlee, Maryland

| 1713

| Religious

| Associated vestry house, erected in 1766, is one of two that survive in the state (the other being at St. George's Church at Perryman).

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| Prince George's County, Maryland

| 1714 (dendrochronology){{cite web|author=Oxford Tree-Ring Laboratory|title=The Tree-Ring Dating of Melwood Park, Prince George's County, Maryland|url=http://www.dendrochronology.net/md.asp|website=Dendrochronology.net|access-date=February 15, 2013}}

| Residence

| Originally thought to date to 1720s, but dendrochronology moved it back over a decade.

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| Annapolis, Maryland

| {{circa|1715}}

| Tavern/store

| One of the oldest buildings in Annapolis' colonial district.

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| Newport, Maryland

| 1717

| Residence

| Constructed spring–summer 1717. Previously believed to be of 17th century origin.{{cite web|last=Stone|first=Garry Wheeler|title=THE KEY-YEAR DENDROCHRONOLOGICAL PATTERN FOR THE OAKS OF MARYLAND'S WESTERN SHORE 1570-1980|url=https://mht.maryland.gov/secure/medusa/PDF/Charles/CH-15.pdf|website=Maryland Inventory of Historic Properties|publisher=Maryland Historical Trust|language=en-US|access-date=April 19, 2019}} A shed on the site was built in 1736.

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| Clarksville, Maryland

| 1719; 1920

| Residence

| Large addition to the rear added in 1920.

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| Bushwood, Maryland

| 1719

| Residence

| Date was ascertained through dendrochronology.

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| Croom, Maryland

| {{circa|1720}}

| Residence

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| Aberdeen Proving Ground, Maryland

| 1720

| Religious

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| Deale, Maryland

| 1720–1730

| Residence

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| Port Tobacco, Maryland

| 1720–1730

| Residence

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| Bel Alton, Maryland

| 1720–1740

| Residence

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| Annapolis, Maryland

| 1721

| Residence

| One of 15 surviving birthplaces of the signers of the Declaration of Independence.

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| Chestertown, Maryland

| 1721; 1831

| Residence

| Original section built in 1721.

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| Davidsonville, Maryland

| 1724

| School

| Only surviving school built in response to the Maryland Free School Act of 1723.

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| Rising Sun, Maryland

| 1724; 1752

| Meetinghouse

| Brick portion burned in 1749; rebuilt and enlarged in 1752, with the original brick walls remaining

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| Johnstown, Maryland

| 1725

| Residence

| Originally thought to date to 1651

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| Bryans Road, Maryland

| 1725

| Residence

| Earliest portioned built in 1725, with several additions later on. Severely damaged by fire sometime after 1980. A small brick building near it built around 1760.

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| Westover, Maryland

| 1725

| Residence

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| St. Augustine, Maryland

| 1725–1750

| Residence

| Built during second quarter of 18th century.

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| Ellicott City, Maryland

| 1727

| Residence

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| Ellicott City, Maryland

| 1727; 1832

| Residence

| Earliest portioned built in 1727, enlarged and remodeled in 1832.

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| Church Hill, Maryland

| {{circa|1729-1732}}

| Religious

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| Cambridge, Maryland

| {{circa|1730s}}

| Residence

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| Harwood, Maryland

| {{circa|1730}}

| Residence

| Traditionally said to be built in 1704, more likely built second half of 18th century.

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| Church Hill, Maryland

| {{circa|1730}}

| Residence

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| Darlington, Maryland

| {{circa|1730}}

| Residence

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| Upper Marlboro, Maryland

| {{circa|1730}}

| Residence

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| Centerville, Maryland

| {{circa|1730}}; 1791; 1948

| Residence

| Center block from 1730, south wing build in 1791. North wing was built in 1948.

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| Providence, Cecil County

| 1730–1750

| Residence

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| Nanjemoy, Maryland

| 1732

| Religious

| One of the oldest Episcopal church buildings in Maryland.

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| Berkley, Maryland

| {{circa|1732–1750}}

| Residence

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| Queenstown, Maryland

| 1733; 1817; 1954

| Residence

| Severely damaged in the War of 1812 by British forces. Enlarged in 1954.

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| Marion Station, Maryland

| 1733; 1825; 1850; 1968

| Residence

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| Brandywine, Maryland

| {{circa|1733–1735}}; 1769; 1793; 1921

| Religious

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| Quantico, Maryland

| 1733

| Religious

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| Annapolis, Maryland

| 1735

| Government

| Oldest government building in Annapolis

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| Allen, Maryland

| {{circa|1735}}

| Residence

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| Crownsville, Maryland

| {{circa|1736}}

| Residence

| Earliest portion could date to 17th century.

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| Annapolis, Maryland

| 1737

| Tavern

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| Georgetown, Maryland

| 1737–1776

| Residence

| Situated on original plot from 1737, unknown when it was actually built.

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| Annapolis, Maryland

| 1738

| Residence

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| Elkridge, Maryland

| 1738

| Residence

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| Annapolis, Maryland

| 1739

| Residence

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| Chestertown, Maryland

| {{circa|1740–1749}}

| Residence

| Built in the 1740s

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| Hagerstown, Maryland

| 1740

| Residence

| Built by Jonathan Hager, the founder of Hagerstown, and the oldest building in Washington County

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| Stevensville, Maryland

| 1740

| Residence

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| Severna Park, Maryland

| 1740

| Residence

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| Darlington, Maryland

| {{circa|1740}}

| Residence

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| Churchville, Maryland

| 1740; 1785

| Residence

| East portion of house added on in 1785.

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| Bel Air, Maryland

| {{circa|1740}}

| Residence

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| Dublin, Maryland

| {{circa|1740–1741}}

| Residence

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| Bowie, Maryland

| {{circa|1740–1745}}

| Residence

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| Princess Anne, Maryland

| {{circa|1740–1760}}

| Residence

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| Annapolis, Maryland

| 1741

| Residence

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| Port Tobacco, Maryland

| 1741

| Residence

| Connected chapel built in 1798

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| Salisbury, Maryland

| 1741

| Residence

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| South River, Maryland

| 1742

| Clubhouse

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| Annapolis, Maryland

| 1742

| School

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| East New Market, Maryland

| {{circa|1742}}

| Residence

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| Ednor, Maryland

| {{circa|1742}}

| Residence

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| Upper Marlboro, Maryland

| {{circa|1742}}

| Residence

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| Upper Marlboro, Maryland

| {{circa|1742–1745}}; 1859; 1888; 1905

| Religious

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| Bladensburg, Maryland

| {{circa|1742–1746}}

| Residence

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| Owings Mills, Maryland

| 1743

| Religious

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| Bel Air, Maryland

| {{circa|1743}}

| Religious

| One of the oldest extant buildings associated with the Catholic Church in America.

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| Harwood, Maryland

| 1743; 1827

| Residence

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| Chestertown, Maryland

| {{circa|1743}}

| Residence

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| Earleville, Maryland

| {{circa|1743–1745}}

| Residence

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| Bel Air, Maryland

| 1744; 1820

| Residence

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|Lusby, Maryland

|1744

|Religious

|Built in 1748, replacing an earlier building erected around 1684

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| Calvert, Maryland

| 1745; 1785

| Residence

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| Mason's Springs, Maryland

| 1746

| Residence

| "Dendrochronological analysis has shown that one of the timbers used to construct the original building was felled in the spring of 1746."{{cite web|author=Oxford Tree-Ring Laboratory|title=The Tree-Ring Dating of Araby, Indian Head, Maryland|url=https://www.dendrochronology.com/ARMDx1.html|website=Dendrochronology.net|access-date=August 14, 2024}}

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| Rising Sun, Maryland

| 1746

| Residence

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| Frederick, Maryland

| 1790 - 1795

| Residence

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| Chestertown, Maryland

| 1746

| Residence

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| Bladensburg, Maryland

| 1746

| Residence

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| Bel Air, Maryland

| 1747

| Residence

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| Accokeek, Maryland

| 1747

| Religious

| Begun in 1747, replacing an earlier frame building.

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| Frederick, Maryland

| 1748; 1855

| Residence

| Addition constructed in 1855. Dendrochronological research to date the structure is ongoing. Oldest standing home in Frederick County, MD.

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| Snow Hill, Maryland

| 1748

| Religious

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| Woodland Beach, Maryland

| {{circa|1745–1750}}

| Tavern

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| Wye Mills, Maryland

| {{circa|1749–1770}}; 1800

| Residence

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| Perryville, Maryland

| {{circa|1750}}

| Residence

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| Perryville, Maryland

| {{circa|1750}}

| Mill

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| Buckeystown, Maryland

| {{circa|1750}}

| Residence

| School is a later addition to the attached house.

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| Sykesville, Maryland

| {{circa|1750}}

| Residence

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| Charlestown, Maryland

| 1750

| Hotel/Retail

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| Annapolis, Maryland

| 1750

| Residence

| Could've been built even earlier, possibly in 1739.

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| Gambrills, Maryland

| 1750

| Residence

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| Baldwin, Maryland

| 1750

| Residence

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| Perryville, Maryland

| 1750

| Hotel

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| Port Tobacco, Maryland

| 1750

| Residence

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| Aberdeen, Maryland

| 1750

| Residence

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| Upper Marlboro, Maryland

| {{circa|1750}}

| Residence

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| Fort Washington, Maryland

| {{circa|1750}}; 1932

| Residence

| Relocated from its original location in Piscataway, Maryland in the 1930s. Disassembled and rebuilt on present location.

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| Williston, Maryland

| 1750; 1808; 1930

| Residence

| Central section built in 1750, 2 1⁄2-story Flemish bond brick structure built about 1808. Single story kitchen wing built in 1930.

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| Bel Air, Maryland

| 1750; 1937

| Residence

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| Chestertown, Maryland

| {{circa|1750}}

| Tavern

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| Piscataway, Maryland

| {{circa|1750}}; 1810

| Tavern

| Larger Federal addition from 1810, replacing original structure.

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| Clinton, Maryland

| {{circa|1750}}; 1800; 1850

| Residence

| Connecting two-bay section built in 1850.

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| Princess Anne, Maryland

| {{circa|1750–1760}}

| Residence

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| Port Tobacco, Maryland

| {{circa|1750–1765}}

| Residence

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| Chestertown, Maryland

| {{circa|1750–1775}}

| Residence

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| Elkton, Maryland

| {{circa|1750–1775}}

| Residence

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| Owings, Maryland

| 1751

| Residence

| Previously believed to date to the 17th century, a dendrochronology survey determined time period of fall-winter 1751.{{cite web|last=Stone|first=Garry Wheeler|title=THE KEY-YEAR DENDROCHRONOLOGICAL PATTERN FOR THE OAKS OF MARYLAND'S WESTERN SHORE 1570-1980|url=https://mht.maryland.gov/secure/medusa/PDF/Calvert/CT-5.pdf|website=Maryland Inventory of Historic Properties|publisher=Maryland Historical Trust|language=en-US|access-date=April 19, 2019}}

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| Granite, Maryland

| 1751

| Farm

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| Johnsville, Maryland

| 1752

| Farm

| Springhouse and Cabin on property also date from 1752

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| Crownsville, Maryland

| 1753

| Residence

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| Harwood, Maryland

| 1753

| Residence

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| Sassafras, Maryland

| {{circa|1753}}

| Residence

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| Kennedyville, Maryland

| {{circa|1753}}

| Residence

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| Wye Mills, Maryland

| 1753-1754

| Mill

| Dendrochronological analysis has shown that the frame building was constructed from timbers felled in the spring of 1751 and the winter of 1753/4, suggesting that the building was constructed in the winter of 1753/4 or shortly thereafter.{{cite web|author=Oxford Tree-Ring Laboratory|title=The Tree-Ring Dating of Old Wye Mill, Wye Mills, Maryland|url=https://www.dendrochronology.com/WMMDx1.html|website=Dendrochronology.net|access-date=August 14, 2024}}

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| Lothian, Maryland

| 1755

| Residence

| Date was ascertained through dendrochronology

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| Monkton, Maryland

| 1755

| Religious

| Bell tower added in 1884.

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| Derwood, Maryland

| 1755

| Residence

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| Galesville, Maryland

| 1755–1756

| Residence

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| Bladensburg, Maryland

| {{circa|1755–1765}}

| Tavern

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| Rising Sun, Maryland

| 1757

| Residence

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| Frederick, Maryland

| 1758

| Residence

| Oldest surviving building in Frederick city. Open for tours on weekend afternoons from April through November.

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| Cambridge, Maryland

| {{circa|1759}}

| Residence

| Right wing of house built in 1759.

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| Stevensville, Maryland

| 1760

| Residence

| Built in several stages beginning around 1760–80. Enlarged to present form during the second quarter of the 19th century.

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| Stevensville, Maryland

| 1760; 1949

| Residence

| Restored in 1949, a wing was replaced by a newly constructed brick wing.

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| Annapolis, Maryland

| 1760

| Residence

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| Aberdeen, Maryland

| {{circa|1760}}; 1775

| Residence

| West section dates back to {{circa|1760}}. Main structure built in 1780.

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| Hillsboro, Maryland

| {{circa|1760}}; 1780

| Residence

| Brick wing built {{circa|1760}}. Main structure built in 1780.

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| Annapolis, Maryland

| ca. 1760

| Residence

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| Cambridge, Maryland

| {{circa|1760}}

| Residence

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| Churchville, Maryland

| {{circa|1760}}

| Residence

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| Centerville, Maryland

| {{circa|1760}}

| Residence

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| Centerville, Maryland

| {{circa|1760}}; 1823

| Residence

| Smaller building is from 1760. Larger building built in 1823.

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| Fort Washington, Maryland

| {{circa|1760–1769}}

| Residence

| Local tradition has it being built in 1723.

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| Elkton, Maryland

| 1761

| Religious

| Remodeled to its current Victorian Gothic influenced appearance in 1872, and 1900. Also on the property is a stone Session House originally constructed in 1762.

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| Pomfret, Maryland

| 1761

| Residence

| Earliest portion dates back to 1761. Added onto until about 1848.

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| Worton, Maryland

| 1761

| Residence

| May encapsulate an even older structure.

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| Abingdon, Maryland

| 1761-1762

| Tavern

| "Dendrochronological analysis has shown that the original structure was built from timbers felled in the winter of 1761/2."

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| Annapolis, Maryland

| 1762

| Residence

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| Easton, Maryland

| 1762

| Residence

| One of the best examples of early Georgian style plantation houses on Maryland's Eastern Shore.{{cite web

|title=T-42 Ratcliffe Manor

|publisher=Maryland Historical Trust

|url=https://mht.maryland.gov/secure/medusa/PDF/Talbot/T-42.pdf

|access-date=April 18, 2023}}

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| Annapolis, Maryland

| 1762

| Residence

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| La Plata, Maryland

| {{circa|1763}}

| Residence

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| Elkridge, Maryland

| {{circa|1763}}

| Residence

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| Lothian, Maryland

| 1763

| Religious

| Replaced an earlier structure dating to 1695. Oldest documented gravestone in Maryland (dated 1665) is found in the churchyard.{{cite web|last1=Morgan|first1=William|last2=Miller|first2=Nancy|title=St. James Church |url=https://mht.maryland.gov/secure/medusa/PDF/NR_PDFs/NR-123.pdf|website=Maryland Inventory of Historic Properties|publisher=Maryland Historical Trust|language=en-US|access-date=December 4, 2018}}

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| Annapolis, Maryland

| 1763

| Residence

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| Oldtown, Maryland

| 1764

| Residence

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| Annapolis, Maryland

| 1764

| Residence

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| Fair Hill, Maryland

| 1764

| Residence

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| Parkville, Maryland

| 1764

| Farm

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| Queenstown, Maryland

| 1764

| Residence

| Moved from its original location at Easton, Maryland in 2019.

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| Annapolis, Maryland

| 1764–1765

| Residence

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| St. Inigoes, Maryland

| "Prior to 1765"

| Residence

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| 100px

| Annapolis, Maryland

| {{circa|1765}}

| Residence

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| Cambridge, Maryland

| {{circa|1765}}

| Residence

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| Bladensburg, Maryland

| {{circa|1765}}

| Residence

|

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| Baltimore, Maryland

| 1765

| Residence

| Oldest surviving residential structure in Baltimore City

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| Princess Anne, Maryland

| 1765

| Religious

| Georgian nave constructed in 1765, vestry and tower added in 1872, and 1888, respectively{{cite web|last=James |first=Pamela|title=Manokin Presbyterian Church|url=https://mht.maryland.gov/secure/medusa/PDF/NR_PDFs/NR-413.pdf |website=Maryland Inventory of Historic Properties|publisher=Maryland Historical Trust|language=en-US|access-date=December 4, 2018}}

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| Monkton, Maryland

| 1765-1766{{cite web|author=Oxford Tree-Ring Laboratory|title=The Tree-Ring Dating of Fugate House, Monkton, Maryland|url=https://www.dendrochronology.com/FUGx1.html|website=Dendrochronology.net|access-date=August 14, 2024}}

| Residence

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| Sykesville, Maryland

| {{circa|1766}}

| Residence

| Oldest sections date to 1766. Middle portion was a later addition.

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| Perryman, Maryland

| 1766

| Religious

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| Port Tobacco, Maryland

| 1766-1767

| Residence

| "A dendrochronological study was undertaken on the building in October 2015. Two of the timbers that were sampled were successfully dated, with one timber containing complete sapwood that provided a felling date of the winter of 1766/7."{{cite web|author=Oxford Tree-Ring Laboratory|title=The Tree-Ring Dating of Stagg Hall, Port Tobacco, Maryland|url=https://www.dendrochronology.com/STAGx1.html|website=Dendrochronology.net|access-date=August 14, 2024}}

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| Annapolis, Maryland

| 1766–1773

| Residence

|

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| Derwood, Maryland

| 1767

| Residence

| "Dendrochronological analysis has shown that the original three-bay structure was built in the winter of 1766/7 or shortly thereafter."{{cite web|author=Oxford Tree-Ring Laboratory|title=The Tree-Ring Dating of Cooke's Range at pope Farm, Derwood, Montgomery County, Maryland|url=https://www.dendrochronology.com/cprx1.html|website=Dendrochronology.net|access-date=August 14, 2024}}

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|Baltimore, Maryland

| 1767

| Residence

| Oldest Colonial-era structure in Baltimore, Maryland.

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|White Plains, Maryland

| 1767

| Residence

|

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|Chestertown, Maryland

| 1767

| Residence

|

| 100px

| Fort Washington, Maryland

| 1767

| Religious

| Located in the Broad Creek Historic District. The building is the 4th iteration of the church since the original was erected in 1695.

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| Church Creek, Maryland

| 1767–1770

| Religious

| Also used as a school house after later Victorian Era church was built across the road.{{cite web|last=Touart |first=Paul|title=St. Mary's Star-of-the-Sea Catholic Church|url=https://mht.maryland.gov/secure/medusa/PDF/NR_PDFs/NR-413.pdf|website=Maryland Inventory of Historic Properties|publisher=Maryland Historical Trust|language=en-US|access-date=December 4, 2018}}

| 100px

| Still Pond, Maryland

| 1767–1783; 1810

| Residence

| Built between 1767 and 1783.

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| Patuxent, Maryland

| c. 1767

| Residence

|

| 100px

| Wetipquin, Maryland

| 1767

| Residence

|

| 100px

| Aberdeen, Maryland

| 1768

| Residence

|

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| Chestertown, Maryland

| 1768

| Religious

|

| 100px

| Boyds, Maryland

| 1768

| Residence

|

| 100px

| Fort Washington, Maryland

| 1769

| Residence

| Located in the Broad Creek Historic District. It was originally known as Battersea, and overlooked the colonial port of Aire.

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| Clear Spring, Maryland

| 1769

| Residence

| Dendrochronological analysis has shown that the original structure was built from timbers felled in the winter of 1767/8 and the winter of 1768/9.

| 100px

| Chestertown, Maryland

| 1769

| Residence

|

| 100px

| Annapolis, Maryland

| 1769–1774

| Residence

|

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| Elkton, Maryland

| {{circa|1769–1781}}

| Residence

|

| 100px

| Annapolis, Maryland

| {{circa|1700s}}

| Residence

| Date of construction unknown, used as barracks during the American Revolutionary War.

| 100px

| Upper Marlboro, Maryland

| {{circa|1770s}}; 1800; 1860

| Residence

|

| 100px

| Cecilton, Maryland

| 1770

| Residence

| Possibly built earlier, 1740–1760.

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| Hughesville, Maryland

| 1770

| Residence

|

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| Woodsboro, Maryland

| 1770

| Residence

|

| 100px

| Port Tobacco, Maryland

| {{circa|1770}}

| Residence

|

| 100px

| Vienna, Maryland

| {{circa|1770}}

| Residence

|

| 100px

| Street, Maryland

| {{circa|1770}}

| Residence

|

| 100px

| Still Pond, Maryland

| {{circa|1770}}

| Residence

|

|

| Baltimore, Maryland

| {{circa|1770–1772}}

| Public

|

| 100px

| Port Tobacco, Maryland

| 1771

| Residence

|

| 100px

| Harwood, Maryland

| 1771

| Residence

| Earliest portion built in 1771. Enlarged in early 19th century.

| 100px

| Annapolis, Maryland

| {{circa|1772}}

| Hotel

|

| 100px

| Union Bridge, Maryland

| 1772

| Meeting House

| Interior destroyed by fire in 1934.

| 100px

| Annapolis, Maryland

| 1772–1797

| Government

| Oldest state house in continuous use in the United States.

| 100px

| Perry Hall, Maryland

| 1773; 1826

| Residence

| Originally constructed in 1773, badly damaged in fire in 1826. Only half of main section and west wing were saved.

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| Annapolis, Maryland

| 1773

| Hotel

|

|

| Darlington, Maryland

| 1773

| Residence

|

| 100px

| Glenwood, Maryland

| 1773

| Residence

|

| 100px

| Aberdeen Proving Ground, Maryland

| {{circa|1773}}

| Religious

| Unknown if it is actually from 1773, but no evidence against it, as well.

| 100px

| Chesterville, Maryland

| {{circa|1773}}

| Commercial

| Moved from its original location in 1973.

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| Annapolis, Maryland

| 1773–1774

| Residence

|

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| Annapolis, Maryland

| 1774

| Residential

| Only existing work of colonial academic architecture that was principally designed from a plate in Andrea Palladio's I quattro libri dell'architettura (The Four Books of Architecture).

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| Frederick County, Maryland

| 1774

| Iron Forge

| Provided ammunition for American Revolutionary War

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| Rock Hall, Maryland

| 1774

| Residence

|

|

| Worton, Maryland

| {{circa|1774–1793}}

| Residence

| Sexton's house is the only structure that dates back to 1700s.

| 100px

| Centreville, Maryland

| 1775

| Residence

|

| 100px

| Urbana, Maryland

| {{circa|1775}}

| Residence

|

| 100px

| Providence, Cecil County

| {{circa|1775–1800}}

| Residence

|

|

| Annapolis, Maryland

| 1776

| Hotel

| Original house burned in 1764, what was remaining of that was built into the current building. Original building dating back to early 18th century.

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| Darlington, Maryland

| 1776; 1821

| Residence

|

|

| Cambridge, Maryland

| {{circa|1784}}

| Residence

| Oldest home in Cambridge. Dated with dendrochronology{{cite web|author=Oxford Tree-Ring Laboratory|title=The Tree-Ring Dating of Bayly House and Outbuildings, Cambridge, Maryland|url=https://www.dendrochronology.com/bymd.html|website=Dendrochronology.net|access-date=August 14, 2024}}

| Brooke Place Manor

| 92x92px

| St. Leonard, Maryland

| 1652

| Residence

|

| Old Trinity Church, Maryland

| |100px

| Church Creek, Dorchester County, Maryland

| 1675

| Religious

| Church building in continuous use; as such, oldest in the US.

| Third Haven Meeting House

| 100px

| Talbot County, Maryland

| 1682

| Religious

| Oldest Quaker meeting house in the United States.

| Spring House, Ft. Lincoln Cemetery

|

| Fort Lincoln Cemetery, Prince George's County, Maryland

| 1683

| Springhouse

| Small springhouse structure. In Maryland by 300 ft.

| Fort Garrison

| 100px

| Stevenson, Baltimore County, Maryland

| {{circa|1695}}

| Fort

|

| Holly Hill

| 100px

| Friendship, Anne Arundel County, Maryland

| 1698 (fall or winter); 1713; {{circa|1730}}

| Residence

| Primitive, two-room, {{frac|1|1|2}}-story frame house at its incarnation. Two subsequent additions/upgrades performed, including a full structural brick encasement in {{circa|1730}}.

| Sotterley Plantation

| 100px

| Hollywood, Maryland

| 1702

| Museum

| Popular public historic interpretation and living history exhibits

| Rehoboth Presbyterian Church

| 100px

| Rehobeth, Maryland

| 1706; 1888; 1954–1955

| Religious

| Oldest Presbyterian Church in continuous use in the United States

| Old Queen Anne's County Courthouse

| 100px

| Queenstown, Maryland

| 1708

| Governmental

|

| Carvill Hall

| 100px

| Chestertown, Maryland

| 1694–1709

| Residence

|

| Sarum

| 100px

| Newport, Maryland

| 1717

| Residence

| Constructed spring–summer 1717. Previously believed to be of 17th century origin.

| Richland Farm

| 100px

| Clarksville, Maryland

| 1719; 1920

| Residence

| Large addition to the rear added in 1920.

| Presbury Meetinghouse

| 100px

| Aberdeen Proving Ground, Maryland

| 1720

| Religious

|

| East Nottingham Friends Meetinghouse

| 100px

| Rising Sun, Maryland

| 1724; 1752

| Meetinghouse

| Brick portion burned in 1749; rebuilt and enlarged in 1752, with the original brick walls remaining

| St. Bartholomew's Episcopal Church

| 100px

| Quantico, Maryland

| 1733

| Religious

|

| Hager House

| 100px

| Hagerstown, Maryland

| 1740

| Residence

| Built by Jonathan Hager, the founder of Hagerstown

| Clifton

| 100px

| Ednor, Maryland

| {{circa|1742}}

| Residence

|

| Derr House

|

| Frederick, Maryland

| 1746

| Residence

|

| All Hallows Episcopal Church

| 100px

| Snow Hill, Maryland

| 1748

| Religious

|

| Daffin House

|

| Hillsboro, Maryland

| {{circa|1760}}; 1780

| Residence

| Brick wing built {{circa|1760}}. Main structure built in 1780.

| Michael Cresap House

| 100px

| Oldtown, Maryland

| 1764

| Residence

|

| Robert Long House

|

| Baltimore, Maryland

| 1765

| Residence

|

| Branton Manor

| 100px

| Sykesville, Maryland

| {{circa|1766}}

| Residence

| Oldest sections date to 1766. Middle portion was a later addition.

| Stanton's Mill

| 100px

| Grantsville, Maryland

| 1797; 1890

| Grist mill

|

| Brooke Place Manor

| 92x92px

| St. Leonard, Maryland

| 1652

| This is primarily an 1840 structure; that year a "completely new interior" was installed; "all that remains of the first (1652) house are the (lower part of the) exterior walls." The original house was a Flemish bond brick structure of 1-1/2 stories with a very steep A-roof. The current 1840 building is a 2-1/2 story Greek revival structure with a gently sloping A-roof on 100 remaining acres of the original 2,100 acres granted to Robert Brooke, Sr in 1649.

| Holly Hill

| 100px

| Friendship, Maryland

| 1698 (fall or winter); 1713; {{circa|1730}}

| Primitive, two-room, {{frac|1|1|2}}-story frame house at its incarnation. Two subsequent additions/upgrades performed, including a full structural brick encasement in {{circa|1730}}.{{cite web|url=https://mht.maryland.gov/nr/NRDetail.aspx?NRID=59|title=Maryland's National Register Properties: Holly Hill|publisher=Maryland Historical Trust|website=MHT.Maryland.gov|language=en-US|access-date=August 5, 2019}}

| Old Trinity Church (Church Creek)

| 100px

| Church Creek, Maryland

| 1675

| Church building in continuous use; as such, oldest in the US.

| Third Haven Meeting House

| 100px

| Talbot County, Maryland

| 1682

| Oldest Quaker meetinghouse in the United States

| Old Queen Anne's County Courthouse

| 100px

| Queenstown, Maryland

| 1708

|

| Evergreen (barn)

| 100px

| Mount Savage, Maryland

| 1834

| Dendrochronological analysis has shown that the barn was built from timbers felled in the winter of 1833/4.

| Pooles Island Light

| 100px

| Pooles Island off Aberdeen Proving Ground

| 1825

| Oldest surviving lighthouse in Maryland

| Phoenix Shot Tower

| 100px

| Baltimore, Maryland

| 1828

| Only surviving shot tower in Maryland, third oldest in the U.S.

| Ellicott City station

| 100px

| Ellicott City, Maryland

| 1830

| Oldest surviving passenger train station in the U.S.

| Lloyd Street Synagogue

| 100px

| Baltimore, Maryland

| 1840

| Oldest surviving synagogue building in Maryland, third oldest in the U.S.

| Islamic Society of Baltimore

|

| Catonsville, Maryland

| 1982

| Oldest purpose-built mosque in Maryland; others have existed for decades