Año Nuevo Island Light (CA)
Historical Light List Characteristics
| Year | Characteristic | Reference Number |
| Missing light lists prior to 1892 | ||
| 1892 | F W. | LHB Light List (Dist. 12-13): 838 |
| 1893 | LHB Light List (Dist. 12-13): 862 | |
| 1894 | LHB Light List (Dist. 12-13): 879 | |
| 1895 | LHB Light List (Dist. 12-13): 895 | |
| 1896 | LHB Light List (Dist. 12-13): 996 | |
| Missing light lists for 1897-1899 | ||
| 1900 | F W. | LHB Light List (Dist. 12-13): 18 |
| Missing light lists for 1901-1905 | ||
| 1906 | F W. | LHB Light List (Dist. 12-13): 22 |
| Missing light lists for 1907-1910 | ||
| 1911 | F W. | USLHS Light List (16th-18th): NA |
| Missing light lists for 1912-1913 | ||
| 1914 | Oc W 20s. W14. ec 5. | USLHS Light List (Pacific): 29 |
| Missing light lists for 1915-1929 | ||
| 1930-1933 | Iso W 20s. W14. | USLHS Light List (Pacific): 75 |
| Missing light lists for 1934-1944 | ||
| 1945 | Fl(3) W 60s. W14. (fl 2, ec 2) x 2, fl 2, ec 50. | USCG Light List (Pacific): 219 |
| Missing light lists for 1946-1947 | ||
Historical Light List Optics and Structures
| Year | Optic | Tower Height | Focal Plane | Description | Reference Number |
| Missing light lists prior to 1892 | |||||
| 1892 | Lens Lantern | 4 | NA | Lens lantern on post in front of fog signal house. | LHB Light List (Dist. 12-13): 838 |
| 1893 | 24 | LHB Light List (Dist. 12-13): 862 | |||
| 1894 | LHB Light List (Dist. 12-13): 879 | ||||
| 1895 | LHB Light List (Dist. 12-13): 895 | ||||
| 1896 | LHB Light List (Dist. 12-13): 996 | ||||
| Missing light lists for 1897-1899 | |||||
| 1900 | Lens Lantern | 4 | 22 | Lens lantern on post in front of fog signal house. | LHB Light List (Dist. 12-13): 18 |
| Missing light lists for 1901-1905 | |||||
| 1906 | Lens Lantern | 4 | 22 | Lens lantern in small structure in front of fog signal house. | LHB Light List (Dist. 12-13): 22 |
| Missing light lists for 1907-1910 | |||||
| 1911 | Lens Lantern | NA | NA | White. Lantern in small structure. | USLHS Light List (16th-18th): NA |
| Missing light lists for 1912-1913 | |||||
| 1914 | NA | 4 | 65 | White; hexagonal tankhouse. | USLHS Light List (Pacific): 29 |
| Missing light lists for 1915-1929 | |||||
| 1930-1933 | 4 iov | 49 | 73 | White, square, pyramidal, skeleton tower. | USLHS Light List (Pacific): 75 |
| Missing light lists for 1934-1944 | |||||
| 1945 | 4 e | 49 | 73 | White, square, pyramidal, skeleton tower. | USCG Light List (Pacific): 219 |
| Missing light lists for 1946-1947 | |||||
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1890-1948 (Assumed the original 1890 lighthouse was located close to the position of the current inactive lighthouse.) |