| class="wikitable sortable" |
| Building
! class="unsortable" |Image
! Location
! First built
! Use
! class="unsortable" |Notes |
|---|
| Ruins of Mission La Purisima
| 120px
| Lompoc
| 1802
| Mission
| The original mission was destroyed during the 1812 Ventura earthquake. Only two {{cvt|7|ft|m}}-high wall fragments and building foundations remains.[{{Cite web |title=La Purísima Concepción – California Missions Foundation |url=https://californiamissionsfoundation.org/mission-la-purisima/ |access-date=2022-04-19 |website=californiamissionsfoundation.org}}] |
| Old Mission Dam
| 120px
| San Diego
| 1803
| Dam
| First major irrigation project in California.[{{cite web|title=Historical Landmarks Designated by the San Diego Historical Resources Board|publisher=City of San Diego|url=http://www.sandiego.gov/planning/programs/historical/pdf/landmarklist.pdf}}] |
| Mission San Gabriel Arcángel
| 120px
| San Gabriel
| 1805
| Church
| The original mission was destroyed by a flood and abandoned in 1776.[{{Cite news|url=https://www.latimes.com/projects/la-me-tongva-map/|title=Mapping the Tongva villages of L.A.'s past|last1=Greene|first1=Sean|last2=Curwen|first2=Thomas|newspaper=LA Times|access-date=19 June 2019}}] The church of the present mission dates to 1805.[{{Cite web |title=San Gabriel Arcángel |url=https://www.missionscalifornia.com/missions/san-gabriel-arcangel/ |archive-url=https://web.archive.org/web/20210922104431/https://www.missionscalifornia.com/missions/san-gabriel-arcangel/ |url-status=usurped |archive-date=September 22, 2021 |access-date=2022-04-16 |website=California Missions |language=en-US}}] |
| Great Stone Church
| 120px
| San Juan Capistrano
| 1806
| Church
| Part of Mission San Juan Capistrano. It was the only mission church incorporating six vaulted domes in its roof structure.[{{Cite web |title=San Juan Capistrano |url=https://www.missionscalifornia.com/missions/san-juan-capistrano/ |archive-url=https://web.archive.org/web/20210922104059/https://www.missionscalifornia.com/missions/san-juan-capistrano/ |url-status=usurped |archive-date=September 22, 2021 |access-date=2022-04-16 |website=California Missions |language=en-US}}] |
| Casa de Rancho San Antonio
| 120px
| Bell Gardens
| 1810
| Residence
| Oldest building in Los Angeles County. Private residence.[[http://ohp.parks.ca.gov/ListedResources/Detail/984 Cal Parks, Henry Gage Mansion, Casa de Rancho San Antonio]][[https://www.californiahistoricallandmarks.com/landmarks/chl-984 californiahistoricallandmarks.com, Henry Gage Mansion, Casa de Rancho San Antonio]] |
| Ruins of Mission Nuestra Señora de la Soledad
| 120px
| Soledad
| 1810
| Mission
| The mission quadrangle was completed in 1810.[{{Cite web |title=History – Soledad Mission |url=https://soledadmission.com/history/ |access-date=2022-04-19 |language=en-US}}] A faithful reconstruction of the mission adjacent to the ruins was completed in 1955. |
| San Antonio de Pala Asistencia
| 120px
| Pala
| 1810
| Church
| The mission church dates to 1810.[Carillo, p. 7] |
| Simi Adobe
| 120px
| Simi Valley
| 1810
| Residence
| [{{cite web | url=http://ohp.parks.ca.gov/default.asp?page_id=21535 | title=Ventura | work=California Historical Landmarks | publisher=Office of Historic Preservation | access-date=2005-08-26 }}] |
| Mission San Buenaventura
| 120px
| Ventura
| 1812
| Church
| The original church burned down in 1793 and was rebuilt out of adobe in 1812.[{{Cite news|last=Reynolds|first=Christopher|date=2014-09-06|title=California missions spotlight: See how San Buenaventura in Ventura conquered fire, earthquake|url=https://www.latimes.com/travel/california/missions/la-tr-d-missions-san-buenaventura-20140907-story.html|access-date=2020-07-08|newspaper=Los Angeles Times|language=en-US}}] |
| Mission San Antonio de Padua
| 120px
| near Jolon
| 1813
| Church
| The original church was rebuilt three times between 1775 and 1813.[[http://missionsanantonio.net/history "The History of our Mission", Mission San Antonio de Padua]] |
| Mission San Juan Bautista
| 120px
| San Juan Bautista
| 1813
| Church
| The original adobe church was rebuilt and completed in 1813.[{{Cite web |title=San Juan Bautista Plaza Historic District--American Latino Heritage: A Discover Our Shared Heritage Travel Itinerary |url=https://www.nps.gov/nr/travel/american_latino_heritage/san_juan_bautista_plaza_historic_district.html |access-date=2022-04-18 |website=www.nps.gov}}] |
| Mission San Luis Rey de Francia
| 120px
| Oceanside
| 1815
| Mission
| The original church, built in 1798, was rebuilt out of adobe and completed in 1815.[Yenne, p. 156] |
| El Molino Viejo
| 120px
| San Marino
| 1816
| Gristmill
| Oldest mill and commercial building in Southern California.[{{cite web|title=Welcome to our city: A message from our mayor|publisher=City of San Marino|url=http://www.ci.san-marino.ca.us/}}][{{cite web|title=History of The Old Mill|publisher=The Old Mill Foundation|url=http://www.old-mill.org/page/6633_History.asp|access-date=2016-06-16|archive-url=https://web.archive.org/web/20160610162841/http://www.old-mill.org/page/6633_History.asp|archive-date=2016-06-10|url-status=dead}}] |
| Covarrubias Adobe
| 120px
| Santa Barbara
| 1817
| Residence
| [{{Cite web|url=https://schwaldfamily.org/getperson.php?personID=I14457&tree=RodSchwald|title=PICO, Maria "Concepcion" Nicanor b. 09 Jan 1797 San Diego Presidio, Alta California: Schwald Family Genealogy|website=schwaldfamily.org}}] |
| Mission Santa Inés
| 120px
| Solvang
| 1817
| Mission
| The original mission was severely damaged during the 1812 Ventura earthquake. It was reconstructed with a larger church and rededicated in 1817.[{{Cite web |title=The Earthquake of 1812 |url=https://missionsantaines.org/earthquake-1812 |access-date=2022-04-18 |website=Old Mission Santa Inés |language=en}}] |
| Diego Sepúlveda Adobe
| 120px
| Costa Mesa
| 1817–23
| Residence
| Part of an estancia for Mission San Juan Capistrano.[{{cite journal|last=Earl|first=John|title=History You Want to Repeat: The Diego Sepulveda Estancia of Costa Mesa|journal=The Orange Coast Voice|issue=9|pages =5–6|publisher=Duane J. Roberts|date=June 2007}}] |
| Ávila Adobe
| 120px
| Los Angeles
| 1818
| Residence
| Oldest building in the City of Los Angeles. |
| Mission San Luis Obispo de Tolosa
| 120px
| San Luis Obispo
| 1818
| Mission
| The present mission buildings were gradually rebuilt out of adobe and completed in 1818.[{{cite web |url = http://www.californiamissions.com/morehistory/sanluis.html |title = San Luis Obispo de Tolosa |archive-url = https://web.archive.org/web/20100128064536/http://www.californiamissions.com/morehistory/sanluis.html |archive-date = January 28, 2010 |url-status = dead }}] |
| Plaza de las Armas
| 120px
| San Diego
| 1820s
| Plaza
| [{{Cite web |url=https://www.sandiegohistory.org/journal/68october/landscape.htm |title=Journal of San Diego History, October 1968 |access-date=2010-05-27 |archive-date=2011-06-05 |archive-url=https://web.archive.org/web/20110605012709/https://www.sandiegohistory.org/journal/68october/landscape.htm |url-status=live }}][{{Cite web |title=PLAZA, SAN DIEGO VIEJO (WASHINGTON SQUARE) |url=https://www.parks.ca.gov/ |access-date=2022-04-25 |website=CA State Parks |language=en}}] |
| Mission Santa Barbara
| 120px
| Santa Barbara
| 1820
| Mission
| The mission was rebuilt four times between 1786 and 1820.[{{Cite web |title=California Missions |url=https://factcards.califa.org/mis/santabarbara.html |access-date=2022-03-17 |website=factcards.califa.org}}] |
| Casa de Carrillo
| 120px
| San Diego
| 1821
| Residence
| Oldest residence in San Diego.[{{Cite web |title=CASA DE CARRILLO |url=https://ohp.parks.ca.gov/ListedResources/Detail/74 |website=CA State Parks |access-date=2025-03-08 |language=en}}] |
| Mission San Miguel Arcángel
| 120px
| San Miguel
| 1821
| Church
| The original church burned down in 1806 and was rebuilt out of adobe from 1816 to 1821.[{{Cite web |title=History {{!}} Mission San Miguel |url=http://missionsanmiguel.org/about |access-date=2022-04-19 |website=missionsanmiguel.org}}] |
| Convento Building
| 120px
| Los Angeles
| 1822
| Convent
| The adobe convent is the only original building left of Mission San Fernando Rey de España.[{{cite news|author=Kenneth J. Fanucchi|title=Mission Soon to Repair Aged Convento Damaged in Quake|work=Los Angeles Times|date=1972-03-23}} ("Construction of the building was begun in 1808 and completed in 1822, making it one of the oldest remaining structures in the state.")] |
| Neary-Rodriguez Adobe
| 120px
| Santa Cruz
| 1822–24
| Dormitory
| The adobe dormitory for Native American residents is the only original building left of Mission Santa Cruz.[[http://www.thatsmypark.org/cp-parks-beaches/santa-cruz-mission-state-historic-park/] {{Webarchive|url=https://web.archive.org/web/20130325061641/http://www.thatsmypark.org/cp-parks-beaches/santa-cruz-mission-state-historic-park/ |date=March 25, 2013 }} Friends of Santa Cruz State Parks Website] |
| Cooper-Molera Adobe
| 120px
| Monterey
| 1823
| Residence
| [{{cite web |title=Cooper-Molera Adobe |url=http://parks.ca.gov/default.asp?page_id=956 |publisher=California Department of Parks and Recreation |access-date=2020-01-01}}] |
| Mission La Purísima Concepción
| 120px
| Lompoc
| 1823
| Mission
| The original mission was destroyed during the 1812 Ventura earthquake. The present mission was completed within 10 years of being rededicated in 1813.[{{cite web |title=La Purísima Mission SHP |url=http://www.parks.ca.gov/?page_id=598 |publisher=California State Parks |access-date=2012-07-06}}] |
| Rancho Santa Maria de Los Peñasquitos
| 120px
| San Diego
| 1823
| Residence
| [[https://www.sandiego.gov/park-and-recreation/parks/osp/lospenasquitos Los Peñasquitos Canyon Preserve] {{Webarchive|url=https://web.archive.org/web/20170303033429/https://www.sandiego.gov/park-and-recreation/parks/osp/lospenasquitos |date=2017-03-03 }} from sandiego.gov accessed 5/19/2017] |
| Rafael Gonzalez House
| 120px
| Santa Barbara
| 1825
| Residence
| [{{cite web|url=http://tps.cr.nps.gov/nhl/detail.cfm?ResourceId=907&ResourceType=Building]
|title = Rafael Gonzalez House |accessdate=2008-03-13|work=National Historic Landmark summary listing|publisher=National Park Service}} |
| Hill–Carrillo Adobe
| 120px
| Santa Barbara
| 1825–26
| Residence
| [{{cite ohp|721|Carrillo Adobe|2012-10-14}}] |
| Dominguez Rancho Adobe
| 120px
| Compton
| 1826
| Residence
| [{{Cite web |url=http://ci.carson.ca.us/content/department/about_carson/RanchoDominguez.asp |title=The Historic Dominguez Rancho Adobe |access-date=2009-04-09 |archive-url=https://web.archive.org/web/20120626103332/http://ci.carson.ca.us/content/department/about_carson/RanchoDominguez.asp |archive-date=2012-06-26 |url-status=dead }}] |
| Casa de Estudillo
| 120px
| San Diego
| 1827
| Residence
| [{{Cite book|url={{NHLS url|id=70000143}}|title=National Register of Historic Places Inventory-Nomination: Estudillo House|date=September 1975 |author=Patricia Heintzelman |publisher=National Park Service}} and {{NHLS url|id=70000143|title=Accompanying 7 photos, exterior and interior, from 1975, 1958, 1960, and 1968.|photos=y}} {{small|(2.27 MB)}}] |
| Old Monterey Custom House
| 120px
| Monterey
| 1827
| Custom house
| Oldest government building in California. Served as the only port of entry to Alta California. |
| Casa de Bandini
| 120px
| San Diego
| 1827–29
| Residence
| The adobe first floor was built between 1827 and 1829. The building was later expanded during the 1840s and 1870s.[{{cite web |url=https://tanamatales.com/a-cosmopolitan-ghosts-and-old-san-diego/ |title=A Cosmopolitan, Ghosts and Old San Diego |publisher=Tanama Tales |date= |accessdate=2018-05-02 |archive-date=2018-05-03 |archive-url=https://web.archive.org/web/20180503042706/https://tanamatales.com/a-cosmopolitan-ghosts-and-old-san-diego/ |url-status=live }}] |
| Casa de la Guerra
| 120px
| Santa Barbara
| 1828
| Residence
| [{{cite ohp|307|Casa de la Guerra|2012-10-14}}] |
| Mission Santa Clara de Asís
| 120px
| Santa Clara
| 1828
| Mission
| The mission was relocated and rebuilt several times between 1777 and 1828.[{{cite book |last=Ruscin |first=Terry |year=1999 |title=Mission Memoirs |publisher=Sunbelt Publications |location=San Diego, California |isbn=0-932653-30-8 |page=196}}] |
| Catalina Verdugo Adobe
| 120px
| Glendale
| 1828–30s
| Residence
| The estimated date of construction ranges from 1828 to the 1830s.[{{Cite web |title=Catalina Verdugo Adobe {{!}} City of Glendale, CA |url=https://www.glendaleca.gov/government/departments/community-services-parks/parks-facilities-historic-sites/catalina-verdugo-adobe#ad-image-2 |access-date=2022-04-18 |website=www.glendaleca.gov}}][{{Cite web |title=CHL # 637 Catalina Adobe Los Angeles |url=https://www.californiahistoricallandmarks.com/landmarks/chl-637 |access-date=2022-04-19 |website=www.californiahistoricallandmarks.com}}] |
| House of the Four Winds
| 120px
| Monterey
| 1830s
| Residence
| [{{Cite web |title=HOUSE OF FOUR WINDS |url=https://www.parks.ca.gov/ |access-date=2022-04-18 |website=CA State Parks |language=en}}] |
| Los Feliz Adobe
| 120px
| Los Angeles
| 1830s
| Residence
| The adobe residence serves as the headquarters for Griffith Park.[{{cite book |last1=Hoover |first1=Mildred B. |last2=Rensch |first2=Hero |last3=Rensch |first3=Ethel |last4=Abeloe |first4=William N. |title=Historic Spots in California |year=1966 |publisher=Stanford University Press | url=https://archive.org/details/historicspotsinc00rens|url-access=registration |isbn=978-0-8047-4482-9}}] |
| Juan de Anza House
| 120px
| San Juan Bautista
| 1830
| Residence
| [{{cite web|url=http://tps.cr.nps.gov/nhl/detail.cfm?ResourceId=899&ResourceType=Building|title=Juan de Anza House|accessdate=2007-10-22|work=National Historic Landmark summary listing|publisher=National Park Service|url-status=dead|archiveurl=https://web.archive.org/web/20071114222430/http://tps.cr.nps.gov/nhl/detail.cfm?ResourceId=899&ResourceType=Building|archivedate=2007-11-14}}] |
| Saint Francis of Assisi Chapel
| 120px
| Warner Springs
| 1830
| Church
| {{Citation needed|date=April 2022}} |
| Governor Alvarado House
| 120px
| Monterey
| 1831
| Residence
| [[https://www.californiahistoricallandmarks.com/landmarks/chl-348 californiahistoricallandmarks.com Landmarks chl-348]] |
| Plaza de Yerba Buena
| 120px
| San Francisco
| 1833
| Plaza
| [California State Parks - [https://storymaps.arcgis.com/stories/e7d8f340e10f4de1837bc10d86485f71 Las Huertas del Casco Antiguo]][KQED - [https://www.kqed.org/arts/13480250/four-epic-public-squares-and-what-to-do-in-them Four Epic Public Squares and What to Do in Them]] |
| Rómulo Pico Adobe
| 120px
| Los Angeles
| 1834
| Residence
| Also known as the Andrés Pico Adobe.[{{Cite book|first=John R.|last=Kielbasa|title=Historic Adobes of Los Angeles County|location=Pittsburg|publisher=Dorrance Publishing Co.|year=1998|isbn=0-8059-4172-X|contribution=Andres Pico Adobe|url=http://www.laokay.com/halac/AndresPicoAdobe.htm}}.][{{Cite web | last = Los Angeles Department of City Planning | date = 2007-09-07 | title = Historic - Cultural Monuments (HCM) Listing: City Declared Monuments | location = | publisher = City of Los Angeles | edition = | url =http://www.cityprojectca.org/ourwork/documents/HCMDatabase090707.pdf | accessdate = 2008-05-28 }}] |
| Camilo Ynitia Adobe
| 120px
| Novato
| 1834
| Residence
| The ruins of the residence are located within a wood shingle shelter.[{{Cite web |title=CAMILO YNITIA ADOBE |url=https://www.parks.ca.gov/ |access-date=2022-04-18 |website=CA State Parks |language=en}}] |
| Centinela Adobe
| 120px
| Inglewood
| 1834
| Residence
| Oldest building in the City of Inglewood.[{{cite news|author=Michelle Norris|title=At 86, history buff gets an early start every day on Inglewood's past|work=Los Angeles Times|date=1986-09-11}}] |
| Sherman Quarters
| 120px
| Monterey
| 1834
| Residence
| Built as a private residence in 1834. Briefly served as the quarters of Lieutenant William T. Sherman following the Conquest of California in 1847.[{{cite web |title=General Sherman's Quarters |url=https://noehill.com/monterey/poi_general_shermans_quarters.asp |publisher=NoeHill Travels in California |access-date=2022-08-16}}] |
| La Casa de Lopez
|
| San Diego
| 1835
| Residence
| [{{Cite web |title=Casa de Lopez Historical Marker |url=https://www.hmdb.org/m.asp?m=11128 |access-date=2022-04-18 |website=www.hmdb.org |language=en}}] |
| La Casa de Machado y Stewart
| 120px
| San Diego
| 1835
| Residence
| [{{Cite web |title=La Casa de Machado y Stewart |url=https://www.parks.ca.gov/ |access-date=2022-04-18 |website=CA State Parks |language=en}}] |
| Larkin House
| 120px
| Monterey
| 1835
| Residence
| [{{cite web |url=http://parks.ca.gov/default.asp?page_id=960 |title=Larkin House |access-date=2010-08-23 |url-status=dead |archive-url=https://web.archive.org/web/20100725192213/http://www.parks.ca.gov/default.asp?page_id=960 |archive-date=2010-07-25 }}] |
| Ríos-Caledonia Adobe
| 120px
| San Miguel
| 1835
| Residence
| [{{cite web|title=Historic Rios-Caledonia Adobe|url=https://www.historic-rios-caledonia.org/museum-highlights |publisher=The Historic Rios-Caledonia Adobe website| access-date=March 10, 2021}}] |
| Salvio Pacheco Adobe
| 120px
| Concord
| 1835
| Residence
| [{{cite web | url = http://ohp.parks.ca.gov/ListedResources/Detail.aspx?num=515 | accessdate = 2014-08-04 | title = DON SALVIO PACHECO ADOBE | publisher = California State Parks Office of Historic Preservation}}] |
| Sonoma Plaza
| 120px
| Sonoma
| 1835
| Plaza
| [[http://tps.cr.nps.gov/nhl/detail.cfm?ResourceID=1535&resourceType=District NHL Summary] {{webarchive|url=https://web.archive.org/web/20090121151133/http://tps.cr.nps.gov/nhl/detail.cfm?ResourceId=1535&ResourceType=District |date=2009-01-21 }}] |
| Rancho Petaluma Adobe
| 120px
| Petaluma
| 1835–57
| Residence
| Largest building constructed during Mexican rule in California. Part of the Presidio of Sonoma. |
| Blue Wing Inn
| 120px
| Sonoma
| 1836
| Residence
| Constructed as a private residence in 1836. The property was expanded into a hotel and saloon in 1848.[Federal Writers' Project p. 363][Dwyer p 120-1] |
| Roberto-Suñol Adobe
| 120px
| San José
| 1836
| Residence
| [{{Cite web |title=ROBERTO-SUÑOL ADOBE |url=https://www.parks.ca.gov/ |access-date=2022-04-18 |website=CA State Parks |language=en}}] |
| Robert Louis Stevenson House
| 120px
| Monterey
| 1836
| Residence
| [{{cite web |last=Welts |first=Allen W. |title=National Register of Historic Places Inventory – Nomination Form: Monterey State Historic Park for Stevenson House |url=https://npgallery.nps.gov/AssetDetail/NRIS/72000239 |publisher=National Park Service |date=1970-03-20 |access-date=2022-02-14}}] |
| Rotchev House
| 120px
| near Jenner
| 1836
| Residence
| Part of Fort Ross, the only Russian colonial settlement in California.[{{Cite web |title=Fort Ross SHP |url=https://www.parks.ca.gov/ |access-date=2022-04-16 |website=CA State Parks |language=en}}] |
| Salvador Vallejo Adobe
|
| Sonoma
| 1836–46
| Residence
| [{{cite news |last1=Parker |first1=Jerry |title=Adobe To Have New Balcony |url=https://www.newspapers.com/clip/76624912/adobe-to-have-new-balcony/ |access-date=28 April 2021 |work=The Press Democrat |date=13 August 1952 |pages=23}}] |
| Dana Adobe
| 120px
| Nipomo
| 1837
| Residence
| [{{NRISref|2008a}}] |
| La Casa Primera de Rancho San Jose
| 120px
| Pomona
| 1837
| Residence
| [{{NRISref|version=2010a}}][{{cite news|title=La Casa Primera|publisher=Historical Society of Pomona Valley|url=http://www.pomonahistorical.org/primera/|access-date=2008-09-02|archive-url=https://web.archive.org/web/20080716025027/http://www.pomonahistorical.org/primera/|archive-date=2008-07-16|url-status=dead}}] |
| Jose Maria Alviso Adobe
| 120px
| Milpitas
| 1837
| Residence
| [{{NRISref|2006a}}] |
| Olivas Adobe
| 120px
| Ventura
| 1837
| Residence
| The original adobe was enlarged in 1849.[{{Cite web |title=OLIVAS ADOBE |url=https://www.parks.ca.gov/ |access-date=2022-04-18 |website=CA State Parks |language=en}}] |
| Sonoma Barracks
| 120px
| Sonoma
| 1837–41
| Barracks
| Part of the Presidio of Sonoma.[SSHP p.15] |
| José Castro House
| 120px
| San Juan Bautista
| 1838–41
| Residence
| [{{cite ohp|179|Castro House|2012-10-11}}][{{cite web|url=http://tps.cr.nps.gov/nhl/detail.cfm?ResourceId=900&ResourceType=Building|title=José Castro House|accessdate=2007-11-17|work=National Historic Landmark summary listing|publisher=National Park Service|url-status=dead|archiveurl=https://web.archive.org/web/20071114222435/http://tps.cr.nps.gov/nhl/detail.cfm?ResourceId=900&ResourceType=Building|archivedate=2007-11-14}}] |
| Hugo Reid Adobe
| 120px
| Arcadia
| 1839
| Residence
| [[http://www.ohp.parks.ca.gov/pages/1067/files/140211_rbadobe_chlnomamend.pdf Cal Parks, Reid-Baldwin Adobe, 1940]] |
| Berryessa Adobe
|
| Santa Clara
| 1840s
| Residence
| [{{Cite web |title=Historic Properties {{!}} City of Santa Clara |url=https://www.santaclaraca.gov/Home/Components/ServiceDirectory/ServiceDirectory/121/2660 |access-date=2022-04-19 |website=www.santaclaraca.gov}}] |
| Casa Soberanes
| 120px
| Monterey
| 1840s
| Residence
| [{{cite web |title=Casa Soberanes |url=http://parks.ca.gov/default.asp?page_id=955 |publisher=California Department of Parks and Recreation |access-date=2010-08-20}}][{{cite ohp|id=712|name=Soberanes Adobe}}] |
| La Casa de Machado y Silvas
| 120px
| San Diego
| 1840s
| Residence
| [{{Cite web |title=La Casa de Machado y Silvas |url=https://www.parks.ca.gov/ |access-date=2022-04-18 |website=CA State Parks |language=en}}] |
| La Casa Alvarado
| 120px
| Pomona
| 1840
| Residence
| [{{NRISref|version=2010a}}] |
| Los Alamos Ranch House
| 120px
| Los Alamos
| 1840
| Residence
| [[http://tps.cr.nps.gov/nhl/detail2.cfm?ResourceId=906&Date=&Ownership=Private&priorityname=&ResourceType=Building NHL Summary] {{webarchive|url=https://web.archive.org/web/20110606113957/http://tps.cr.nps.gov/nhl/detail2.cfm?ResourceId=906&Date=&Ownership=Private&priorityname=&ResourceType=Building |date=2011-06-06 }}] |
| Moraga Adobe
| 120px
| Orinda
| 1841
| Residence
| Oldest residence in Contra Costa County.[{{Cite web |title=JOAQUÍN MORAGA ADOBE |url=https://www.parks.ca.gov/ |access-date=2022-04-18 |website=CA State Parks |language=en}}] |
| Vallejo's Chapel
| 120px
| Sonoma
| 1841
| Mission
| Part of Mission San Francisco Solano. The original wooden chapel, built in 1824, was rebuilt out of adobe in 1841.[Smilie p. 73] |
| Sutter's Fort
| 120px
| Sacramento
| 1841–43
| Fort
| First European colonial settlement in the Central Valley.[[http://www.parks.ca.gov/default.asp?page_id=21507 Sutter's Fort Historical Profile]] |
| Peña Adobe
| 120px
| Vacaville
| 1842
| Residence
| [{{NRISref|version=2010a}}] |
| Yucaipa Adobe
| 120px
| Yucaipa
| 1842
| Residence
| [{{Cite web |title=YUCAIPA ADOBE |url=https://www.parks.ca.gov/ |access-date=2022-04-18 |website=CA State Parks |language=en}}] |
| Casa Dolores
| 120px
| Santa Barbara
| 1843
| Residence
| Oldest extant two-story adobe in the City of Santa Barbara.[{{cite news|last=Kettman|first=Matt|title=Come Down to Casa Dolores|url=http://www.independent.com/news/2010/apr/02/come-down-casa-dolores/|accessdate=March 16, 2012|newspaper=Santa Barbara Independent|date=April 2, 2010}}] |
| Richardson Adobe
| 120px
| near Soledad
| 1843
| Residence
| [{{Cite web |title=RICHARDSON ADOBE |url=https://www.parks.ca.gov/ |access-date=2022-04-18 |website=CA State Parks |language=en}}] |
| Casa Gutiérrez Adobe
| 120px
| Monterey
| 1844
| Residence
| [[https://www.californiahistoricallandmarks.com/landmarks/chl-493 californiahistoricallandmarks.com Landmarks chl-493]] |
| Leonis Adobe
| 120px
| Calabasas
| 1844
| Residence
| [{{NRISref|2007a}}] |
| Los Cerritos Ranch House
| 120px
| Long Beach
| 1844
| Residence
| [{{cite web|url=http://tps.cr.nps.gov/nhl/detail.cfm?ResourceId=897&ResourceType=Building|title=Los Cerritos Ranch House|accessdate=2007-10-13|work=National Historic Landmark summary listing|publisher=National Park Service|url-status=dead|archiveurl=https://web.archive.org/web/20071114222425/http://tps.cr.nps.gov/nhl/detail.cfm?ResourceId=897&ResourceType=Building|archivedate=2007-11-14}}] |
| Warner's Ranch
| 120px
| Warner Springs
| 1844–46
| Residence
| [{{Cite web |title=WARNER'S RANCH |url=https://www.parks.ca.gov/ |access-date=2022-04-18 |website=CA State Parks |language=en}}] |
| Jose Eusebio Boronda Adobe
| 120px
| Salinas
| 1844–48
| Residence
| [{{cite ohp|870|Jose Eusebio Boronda Adobe|2012-10-10}}] |
| Casa del Oro
| 120px
| Monterey
| 1845
| General store
| Also known as the Joseph Boston Store.[{{cite web |title=Casa del Oro |url=http://parks.ca.gov/default.asp?page_id=953 |publisher=California Department of Parks and Recreation |access-date=2010-08-20}}][{{cite ohp|id=532|name=Casa del Oro}}] |
| Cayetano Juarez Adobe
| 120px
| Napa
| 1845
| Residence
| [{{cite book | last = Brown| first =Alexandria | title =Hidden History of Napa Valley | publisher = Arcadia Publishing| date =2019 | url =https://books.google.com/books?id=7m6KDwAAQBAJ| isbn =9781439666272 }}][{{cite web | url =https://oldadobeplaza.com/history/ | title = The Old Adobe Circa 1845: History | access-date =May 23, 2020 }}] |
| Moreno Adobe
|
| Jurupa Valley
| 1845
| Residence
| Oldest extant structure in Riverside County. Located within Santa Rosa Plateau Ecological Reserve.[{{Cite web |title=SANTA ROSA PLATEAU ER&VC |url=https://www.rivcoparks.org/santa-rosa-plateau-visitor-center |access-date=2022-06-09 |website=RivCoParks |language=en}}] |
| Adobe Flores
| 120px
| South Pasadena
| 1846
| Residence
| [{{Cite web |title=Adobe Flores (73000404) |url=https://npgallery.nps.gov/NRHP/AssetDetail/795c090a-b1c2-4722-b686-04ab6ea5a9f2 |access-date=2022-04-28 |website=NPGallery NRHP Archive}}] |
| Bale Grist Mill
| 120px
| Napa
| 1846
| Gristmill
| One of only two extant water-driven mills in the western United States.[{{cite ohp|359|Bale Mill|2012-10-10}}] |
| Sánchez Adobe
| 120px
| Pacifica
| 1846
| Residence
| A two-story adobe believed to have been partially constructed using bricks from the nonextant San Pedro y San Pablo Asistencia.[[http://www.sfmuseum.org/street/stnames5.html Early San Francisco Street Names: 1846-1849], San Francisco Museum.] |
| California's First Theatre
| 120px
| Monterey
| 1846–47
| Theatre
| Oldest theatre in California. Built as a tavern in 1846–47. Converted to a theatre in 1850. |
| First Brick House
| 120px
| Monterey
| 1847
| Residence
| First brick building constructed in California.[{{cite web |title=First Brick House |url=http://parks.ca.gov/default.asp?page_id=957 |publisher=California Department of Parks and Recreation |access-date=2014-01-05}}] |
| Nash-Patton Adobe
|
| Sonoma
| 1847
| Residence
| [{{Cite web |title=NASH ADOBE |url=https://www.parks.ca.gov/ |access-date=2022-04-18 |website=CA State Parks |language=en}}][{{cite book|author1=Kathleen Thompson Hill|author2=Gerald Hill|title=Sonoma Valley: The Secret Wine Country|url=https://books.google.com/books?id=REH4iYtWygwC&pg=PA57|date=1 July 2005|publisher=Globe Pequot Press|isbn=978-0-7627-3444-3|page=57}}] |
| Officers’ Club
| 120px
| San Francisco
| 1847
| Officers' club
| Adobe walls dating to the construction of the Presideo in the 1790s were incorporated into the front wings of the building.[{{Cite web|title=Officers' Club - Presidio of San Francisco (U.S. National Park Service) |url=https://www.nps.gov/prsf/learn/historyculture/officers-club.htm |access-date=2022-04-18 |website=www.nps.gov |language=en}}] |
| Pacific House
| 120px
| Monterey
| 1847
| Storehouse
| Weapons storehouse built by the US Army following the Conquest of California.[{{cite web |title=Pacific House |url=http://parks.ca.gov/default.asp?page_id=961 |publisher=California Department of Parks and Recreation |access-date=2014-01-04}}] This building is a California Historical Landmark (#354).[{{cite ohp|id=354|name=Old Pacific House}}] |
| Old Whaling Station
| 120px
| Monterey
| 1847
| Residence
| Built as a residence in 1847. Converted to the headquarters of the Monterey Whaling Company in 1855.[{{cite web |title=Old Whaling Station |url=http://parks.ca.gov/default.asp?page_id=964 |publisher=California Department of Parks and Recreation |access-date=2014-01-04}}] |
| Colton Hall
| 120px
| Monterey
| 1847–49
| Government
| First seat of government of the U.S. state of California.[{{cite ohp|126|Colton Hall|2012-10-10}}] |
| Jose Joaquin Castro Adobe
| 120px
| Watsonville
| 1848–49
| Residence
| Only two-story hacienda ever built in Santa Cruz County.[{{cite news |title= Castro Adobe taking shape |date= January 16, 2010 |author= Todd Guild |newspaper= Watsonville Register-Pajaronian |url= http://www.register-pajaronian.com/v2_news_articles.php?story_id=8236 |access-date= May 22, 2010 |archive-url= https://web.archive.org/web/20110715171438/http://www.register-pajaronian.com/v2_news_articles.php?story_id=8236 |archive-date= July 15, 2011 |url-status= dead }}] |
| Vicente Martínez Adobe
| 120px
| near Martinez
| 1849
| Residence
| [{{cite web | url = http://ohp.parks.ca.gov/ListedResources/Detail/511 | accessdate = 2020-07-09 | title = Vicente Martínez Adobe | publisher = California State Parks Office of Historic Preservation}}] |
| Los Encinos De La Osa Adobe
| 120px
| Los Angeles
| 1849–50
| Residence
| [Kielbasa, Historic Adobes of Los Angeles County, p. 34.] |
| Chapel of the Immaculate Conception
| 120px
| San Diego
| 1850
| Residence
| Also known as the Old Adobe Church. Dedicated as a parish church in 1856. |
| Reyes Adobe
| 120px
| Agoura Hills
| 1850
| Residence
| [{{Cite web |title=Reyes Adobe Historical Site {{!}} City of Agoura Hills, CA |url=https://www.agourahillscity.org/department/community-services-parks-recreation/parks-facilities/reyes-adobe-historical-site |access-date=2022-04-28 |website=www.agourahillscity.org}}] |
| Union Square
| 120px
| San Francisco
| 1850
| Plaza
| [{{cite web|url=http://www.sfmuseum.org/loc/deweymon.html |title=Panorama, Union Square, San Francisco |access-date=February 24, 2014 |url-status=dead |archive-url=https://web.archive.org/web/20140228063146/http://www.sfmuseum.org/loc/deweymon.html |archive-date=February 28, 2014 }}] |
| William Heath Davis House
| 120px
| San Diego
| 1850
| Residence
| Also known as the Davis-Horton House.[{{Cite web |title=Gaslamp Museum at the Davis-Horton House |url=https://www.sandiego.org/members/museums/gaslamp-museum-at-the-davishorton-house.aspx |access-date=2022-04-18 |website=www.sandiego.org |language=en-US}}] |
| Benicia Capitol
| 120px
| Benicia
| 1852
| City hall
| Oldest extant city hall in California. |
| Mariposa County Courthouse
| 120px
| Mariposa
| 1854
| Courthouse
| Oldest courthouse in California. |
| Point Pinos Lighthouse
| 120px
| Pacific Grove
| 1855
| Lighthouse
| Oldest lighthouse on the West Coast. |
| National Exchange Hotel
| 120px
| Nevada City
| 1856
| Hotel
| Oldest continuously operated hotel on the West Coast.[{{cite web|url=http://www.noehill.com/nevada_county_california/cal0899.asp|title=California Landmark 899: National Hotel in Nevada City, California|publisher=Noehill.com|accessdate=16 May 2010}}] |
| Old Bidwell Bar Bridge
| 120px
| Oroville
| 1856
| Bridge
| First suspension bridge built in California. The bridge was relocated in 1966 prior to the creation of Lake Oroville.[{{Cite web |title=OLD SUSPENSION BRIDGE |url=https://www.parks.ca.gov/ |access-date=2022-04-17 |website=CA State Parks |language=en}}] |
| Buena Vista Winery
| 120px
| Sonoma
| 1857
| Winery
| Oldest commercial winery in California. |
| Whaley House
| 120px
| San Diego
| 1857
| Residence, Courthouse & Pharmacy
| Oldest brick structure in Southern California. |
| Fort Point
| 120px
| San Francisco
| 1861
| Fort
| The only extant Third System fortification in the western United States.[{{cite web|title=NPGallery Digital Asset Management System|url=https://npgallery.nps.gov/AssetDetail/NRIS/70000146|website=npgallery.nps.gov|publisher=National Park Service|access-date=5 December 2017|language=en}}] |
| Bridgeport Covered Bridge
| 120px
| Penn Valley
| 1862
| Bridge
| Oldest covered bridge in California & longest wooden covered bridge in the world.[The [http://www.ncgold.com/Museums_Parks/syrp/Bridgeport/ Nevada County, California website] {{webarchive|url=https://archive.today/20120908113101/http://www.ncgold.com/Museums_Parks/syrp/Bridgeport/ |date=September 8, 2012 }} that claims Bridgeport Covered Bridge has a longer span than the Old Blenheim Bridge had, also claims it is a National Historic Landmark. While the [http://tps.cr.nps.gov/nhl/ National Historic Landmark search system] {{webarchive|url=https://web.archive.org/web/20080710061857/http://tps.cr.nps.gov/nhl/ |date=2008-07-10 }} does not report on the existence of this bridge as a National Historic Landmark. It is a California Historical Landmark and listed at the National Register of Historic Places.] |
| Menlo Park station
| 120px
| Menlo Park
| 1867
| Train station
| Oldest train station in California.[{{Cite web |title=San Mateo |url=https://www.parks.ca.gov/ |access-date=2022-04-27 |website=CA State Parks |language=en}}] |
| San Buenaventura Pier
| 120px
| Ventura
| 1870
| Pier
| Oldest pier in California. |
| Weaverville Joss House
| 120px
| Weaverville
| 1874
| Taoist temple
| Oldest continuously-operating Taoist temple in California.[{{Cite web |title=California's oldest Chinese temple still thriving {{!}} Bartell's Backroads |url=https://www.abc10.com/article/entertainment/television/programs/backroads/californiasoldeschinesetemple/103-2ec3983c-79aa-4472-bf39-ebbcaa431522 |access-date=2022-04-20|date=2019-10-09|website=abc10.com |language=en-US}}] |
| Temple Beth Israel
| 120px
| San Diego
| 1889
| Synagogue
| Tied with Temple Beth Sholom for the oldest extant synagogue in California.[{{Cite web |title=Temple Beth Israel |url=https://sandiegohistory.org/journal/1981/october/temple/ |access-date=2022-04-19 |website=San Diego History Center {{!}} San Diego, CA {{!}} Our City, Our Story |language=en-US}}][{{Cite web |date=2018-09-27 |title=HISTORIC SYNAGOGUES OF CALIFORNIA |url=https://thecompletepilgrim.com/historic-synagogues-of-california/ |access-date=2022-04-19 |website=The Complete Pilgrim - Religious Travel Sites |language=en-US}}] |
| Temple Beth Sholom
|
| San Leandro
| 1889
| Synagogue
| Tied with Temple Beth Israel for the oldest extant synagogue in California.[Gordon, Mark W., [http://muse.jhu.edu/journals/american_jewish_history/v084/84.1gordon_tab01.html Rediscovering Jewish Infrastructure: Update on United States Nineteenth Century Synagogues]. American Jewish History, 84.1, 1996, p. 11–27. [http://www.ajhs.org/rediscovering-jewish-infrastructure 2019 article update].] |
| Old Chronicle Building
| 120px
| San Francisco
| 1890
| Office
| First skyscraper in California.[[https://issuu.com/thecommonwealth/docs/the_commonwealth_august_september_2_92ff4e166b37e7 The Commonwealth - August/September 2019]] |
| Pope Street Bridge
| 120px
| St. Helena
| 1894
| Bridge
| Oldest stone arch bridge in California.[{{cite web|last=Silvestri|first=John A.|title=National Register of Historic Places Inventory - Nomination Form: Pope Street Bridge|url={{NRHP url|id=72000241}}|publisher=National Park Service|accessdate=May 8, 2013|date=July 7, 1970}}] |
