There have been many Post Offices in the history of Santa Cruz County.
In many cases, the exact former location is not known. The following Post Offices include those at railroad stops,
labor camps, and settlements.
| Big Basin Post Office | 1928-1957 | Formally Redwood Park | |
| Bonny Doon Post Office | 1887-1930 | ||
| Camp McQuaide Post Office | 1941-1949 | (Not on the Army camp) | |
| Chittenden Post Office | 1893-1923 | ||
| Coast Post Office | 1889-1905 | ||
| Corralitos Post Office | 1861-1862 | 1876-1923 | Closed and re-opened. |
| De Redwood Post Office | 1879-1882 | ||
| Davenport Post Office* | 1874-1889 | At Davenport Landing. | |
| *The Davenport Post Office at Davenport was started in 1915. | |||
| East Santa Cruz | 1950-1992 | 1620 Seabright Avenue | Moved to 120 Morrissey Blvd. |
| East Santa Cruz | 1992-2014 | 120 MORRISSEY BLVD. | Moved to Soquel Avenue |
| Eccles Post Office | 1878-1915 | Physically moved to Olympia. | |
| Gibbs Post Office | 1900-1906 | 1907-1916 | Closed and re-opened. |
| Glen Arbor Post Office | 1914-1915 | ||
| Glenecho Post Office | 1894-1897 | ||
| Glenwood Post Office | 1880-1954 | ||
| Laurel Post Office | 1882-1953 | ||
| Leonard Post Office | Apr-Aug 1883 | ||
| Lorenzo Post office | 1875-1887 | ||
| Loma Prieta Post Office | 1884-1885 | 1887-1901 | Closed and re-opened. |
| Lucas Post Office | 1885-1886 | ||
| Morseville Post Office | Apr-Aug 1880 | ||
| Olympia Post Office | 1915-1942 | ||
| Opal Cliffs Post Office | May-Nov 1948 | ||
| Redwood Park Post Office | 1907-1928 | Name changed to Big Basin. | |
| Rocky Ridge Post Office | 1875-1888 | ||
| Seabright Post Office** | 1899-1905 | 538 Seabright Ave. | (Settlement of Seabright) |
| Sea Side Post Office | 1873-1881 | ||
| Skyland Post Office | 1893-1910 | ||
| Swanton Post Office | 1897-1930 | ||
| Valencia Post Office | 1893-1909 |
2555 Valencia Road, Aptos, CA |
|
| Waddell Post Office | 1890-1891 | ||
| Zayante Post Office | 1916-1938 |
Latitude/Longitude: 37.0918919 -122.0435734 |
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**The Seabright Post Office listed above ended when the settlement of Seabright was made part of Santa Cruz in 1909. In 1950, the East Santa Cruz Post Office was opened at 1620 Seabright Avenue. This location gave it the nickname "Seabright Post Office." The East Santa Cruz Post Office was relocated to 120 Morrissey Boulevard in 1992. In 2014 it was relocated to 1148 Soquel Avenue. However, the entrance in is the back, facing a parking lot on Seabright Avenue.
The East Santa Cruz Post Office on Morrissey became a supermarket in 2015. The post office building at 1620 Seabright Avenue became Harts Fabric. The building for the Seabright Post Office listed above, (528 Seabright Avenue) is now a restaurant (La Posta).
Used As a Post Office 1893-1909. Now part of Valencia Park (Photo: 2012.).
