National Register listings in Lake County, California

7 listings 2 districts 1 National Historic Landmark 2 with nomination summaries Updated October 2026
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Most notable listings

Historic districts (2)

All listings

Places: Lower Lake (2) · Lakeport (2) · Anderson Springs (1) · Clearlake (1) · Clearlake Oaks (1)

NamePlaceTypeListed
Anderson Marsh Archeological District Lower Lake District 1978
Archeological Site No. Ca-Lak-711 Anderson Springs Site 1979
Borax Lake-Hodges Archeological Site NHL Clearlake Site 1991
Cache Creek Archeological District Lower Lake District 1997
Lake County Courthouse Lakeport Building 1970
Lakeport Carnegie Library Lakeport Building 2008
Patwin Indian Site Clearlake Oaks Site 1972

State Historic Preservation Office

Nominations, tax-credit certifications and official records for California go through the California State Historic Preservation Office. See how to nominate a property.