San Antonio, California
San Antonio: Situated in rural northern Marin County near the Sonoma County line, this unincorporated community lies along San Antonio Creek at an elevation of approximately 56 feet.
About
San Antonio is a city located in the county of Marin in the U.S. state of California.
Quick Facts about San Antonio
| State | California (United States) |
| County | Marin County |
| Latitude & Longitude | 38.1838,-122.5914 |
| Time Zone | America/Los_Angeles |
| Local time | 11:58:00 (6th November 2026) |
| Weather | 54℉ Mostly Clear 7-days weather |
Geography
San Antonio is located at 38°11'2"N 122°35'29"W (38.1838100, -122.5913700).
San Antonio map
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Weather
Mostly clear. Low around 54, with temperatures rising to around 56 overnight. North wind 0 to 3 mph.
7-Day ForecastNearby Schools and Colleges
Schools and campuses linked to San Antonio, CA. Select a name to open its map and contact details.
| Code | Name | City | ZIP |
|---|---|---|---|
| 491808 | Meridian University | Petaluma (CA) | 94952-3092 |
Nearby Transit Stations (42)
Rail and bus stations connected to San Antonio, CA. Select a station to open its map and address details.
| Code | Name | Address | Type |
|---|---|---|---|
| PTC | Petaluma, California | 100 Fairgrounds Drive | BUS |
| RPC | Rohnert Park, California | 6335 Redwood Drive | BUS |
| VAL | Vallejo, California | 4355 Sonoma Blvd. | BUS |
| SRC | Santa Rosa, California | 175 Railroad Street | BUS |
| VMW | Marine World (Seasonal), Vallejo, California | Highway 37 and Fairgrounds Drive | BUS |
Closest post offices linked to San Antonio.
| Post Office Name | City | ZIP |
|---|---|---|
| Casa Grande Annex Post Office | Petaluma (CA) | 94954 |
Other places with the same name (2)
- San Antonio, Texas The seventh most populous city in the United States and the center of the San Antonio metropolitan area. with a population of 1,567,118 people.
- San Antonio, Florida city in Pasco County, Florida, USA. with a population of 1,506 people.
Other cities in Marin County
Cities, towns, neighborhoods & other populated places in Marin County , CA.
| City Name | Population | Title |
|---|---|---|
| San Rafael | 58,528 | The most populous city in Marin County, California. |
| Novato | 53,351 | A city in Marin County, California. |
| Mill Valley | 14,323 | City in Marin County, California, United States |
| San Anselmo | 12,513 | Town in California |
| Larkspur | 12,236 | City in California |
| Corte Madera | 9,833 | City in Marin County, California |
| Belvedere Tiburon | 9,214 | Town in Marin County, California |
| Fairfax | 7,561 | Town in California, United States |
| Sausalito | 7,094 | City in Marin County, California, United States |
| Kentfield | 6,485 | Census-designated place in Marin County, California |
| Santa Venetia | 4,292 | Census-designated place in Marin County, California |
| Ross | 2,479 | Town in California |
| Bolinas | 1,620 | Census-designated place in Marin County, California |
| Woodacre | 1,348 | Census-designated place in Marin County, California |