Niagara County Courthouse and County Clerk's Office

{{Use mdy dates|date=February 2025}}

{{Infobox NRHP

| name = Niagara County Courthouse and County Clerk's Office

| nrhp_type =

| image = Niagara County Courthouse Jun 09.JPG

| caption = Niagara County Courthouse, June 2009

| location = 175 Hawley St. and 139 Niagara St., Lockport, New York

| coordinates = {{coord|43|10|10|N|78|42|3|W|display=inline,title}}

| locmapin = New York#USA

| mapframe = yes

| mapframe-marker = building

| mapframe-zoom = 12

|mapframe-caption = Interactive map showing the location for Niagara County Courthouse & County Clerk’s Office

| area =

| built = 1856

| architect = multiple

| architecture = Classical Revival

| added = May 9, 1997

| refnum = 97000417

{{NRISref|2009a}}

}}

Niagara County Courthouse and County Clerk's Office is a historic courthouse and county clerk's building located at Lockport in Niagara County, New York. The two buildings are located along Hawley Street, north and south of Niagara Street. The county clerk's building is a one-story, limestone office building constructed in 1856 in the Classical Revival style. The original section of the courthouse building was constructed in 1886 in the Second Empire style, with additions constructed in 1915–1917 and 1955–1958.{{cite web| url = https://cris.parks.ny.gov/| title = Cultural Resource Information System (CRIS)| publisher = New York State Office of Parks, Recreation and Historic Preservation| format = Searchable database| accessdate = 2016-07-01| archive-url = https://archive.today/20150701003048/http://cris.parks.ny.gov/| archive-date = 2015-07-01| url-status = dead}} Note: This includes {{cite web | url = https://cris.parks.ny.gov/Uploads/ViewDoc.aspx?mode=A&id=35673&q=false | title = National Register of Historic Places Registration Form: Niagara County Courthouse and County Clerk's Office | accessdate = 2016-07-01 | author = Kathleen LaFrank | format = PDF | date = March 1997 }} and [https://cris.parks.ny.gov/Uploads/ViewDoc.aspx?mode=A&id=35671&q=false Accompanying four photographs]

It was listed on the National Register of Historic Places in 1997.