National Register of Historic Places in San Francisco
From 1941 to 1948, painter Anton Refregier decorated the lobby with twenty-seven murals depicting the history of California. Refregier, an immigrant from Russia, was influenced by the social realism of Diego Rivera. Like Rivera, he was suspected of being a Communist Party fellow traveler. The National Register listing resulted largely from the significance of these murals. In fact, the Natiomal Park Service waived their Fifty-Year Rule.
The United States Postal Service retired Rincon Annex in 1985 and leased it to private developers. Along with two new buildings, it was incorporated into Rincon Center, a full city block of apartments, stores, offices, and restaurants.
The Rincon Annex Post Office is also San Francisco Landmark 107.