California's historical resources represent the contributions and collective human experiences of a diversified population spanning 10,000-12,000 years of occupancy in California. This rich heritage is embodied in the cultural and historical landscapes of California as evidenced by archaeological remains, historic buildings, traditional customs, tangible artifacts, historical documents, and public records extant in California. All these evidences of the past contribute to the sum total of California's history. Such historical resources provide continuity with our past and enhance our quality of life.

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Name (Landmark Plaque Number) National Register California State Historical Landmark California Register of Historical Resources Point of Interest Date Listed City (County)
ANDERSON MARSH ARCHEOLOGICAL DISTRICT (N656) 8/24/1978 Lower Lake (Lake)
ARCHEOLOGICAL SITE NO. CA-LAK-711 (N780) 5/25/1979 Anderson Springs (Lake)
BATTLE OF BLOODY ISLAND (427) 3/16/1949 Upper Lake (Lake)
BORAX LAKE--HODGES ARCHEOLOGICAL SITE (N1738) 10/3/1991 Clearlake (Lake)
CACHE CREEK ARCHEOLOGICAL DISTRICT (N2001) 12/30/1997 Lower Lake (Lake)
COBB VALLEY SCHOOL (P496) 1/13/1977 Cobb (Lake)
COBBLESTONE BUILDING (P714) 6/12/1989 Clearlake (Lake)
COMMUNITY METHODIST CHURCH (P62) 9/22/1967 Middletown (Lake)
GREAT WESTERN QUICKSILVER MINE (P60) 9/22/1967 Middletown (Lake)
KONOCTI HARBOR (P449) 12/22/1975 Clearlake (Lake)
LAKE COUNTY COURTHOUSE (N59) 10/28/1970 Lakeport (Lake)
LAKE COUNTY HOUSE/MIDDLETOWN HOTEL/HERRICK HOUSE/BERRY HO (P820) 5/15/1996 Middletown (Lake)
LAKEPORT CARNEGIE LIBRARY (N2406) 4/10/2008 Lakeport (Lake)
LOWER LAKE HISTORIC SCHOOLHOUSE (P772) 8/21/1992 Lower Lake (Lake)
LOWER LAKE SCHOOLHOUSE, KONOCTI GRANGE HALL (P61) 9/22/1967 Lower Lake (Lake)
LOWER LAKE STONE JAIL (429) 3/16/1949 Lower Lake (Lake)
OLD LAKE COUNTY COURTHOUSE (897) 6/16/1976 Lakeport (Lake)
PATWIN INDIAN SITE (N152) 2/23/1972 Clearlake Oaks (Lake)
SITE OF STONE AND KELSEY HOME (426) 3/16/1949 Kelseyville (Lake)
ST. HELENA TOLL ROAD AND BULL TRAIL (467) 8/30/1950 Middletown (Lake)
ST. JOHN'S EPISCOPAL CHURCH (P679) 11/28/1986 Lakeport (Lake)
STONE HOUSE (450) 11/2/1949 Middletown (Lake)
SULPHUR BANK MINE (428) 3/16/1949 Clearlake Oaks (Lake)