San Geronimo, California

San Geronimo: a city in Marin County, California

About

San Geronimo is a city located in the county of Marin in the U.S. state of California.

Quick Facts about San Geronimo

State California (United States)
County Marin County
Latitude & Longitude 38.0133,-122.6639
Time Zone America/Los_Angeles
Local time 09:47:28 (9th June 2026)
Postal code 94963
Weather 55℉ Mostly Cloudy then Patchy Fog 7-days weather

Geography

San Geronimo is located at 38°0'48"N 122°39'50"W (38.0132600, -122.6638700).

San Geronimo map

Click "full screen" full screen map icon to open full mode. View satellite images

Weather

55°F
Mostly Cloudy then Patchy Fog
1 to 13 mph WSW Monday Night

Patchy fog after 5am. Mostly cloudy, with a low around 55. West southwest wind 1 to 13 mph, with gusts as high as 29 mph.

7-Day Forecast
San Geronimo zip code is 94963. County name: Marin, County fips: 06041
Nicasio

Where to Stay in San Geronimo

1Valley Inn

Rating: 4.5 (6)

San Geronimo, CA 94963, United States View details

Phone: +14154880105 | Website available

Nearby Schools and Colleges

Schools and campuses linked to San Geronimo, CA. Select a name to open its map and contact details.

Code Name City ZIP
122603 San Francisco Theological Seminary San Anselmo (CA) 94960-0000
118347 College of Marin Kentfield (CA) 94904-2590
113698 Dominican University of California San Rafael (CA) 94901-2298
491808 Meridian University Petaluma (CA) 94952-3092
486433 Presidio Graduate School San Francisco (CA) 94129-1749

Nearby Transit Stations (37)

Rail and bus stations connected to San Geronimo, CA. Select a station to open its map and address details.

Code Name Address Type
PTC Petaluma, California 100 Fairgrounds Drive BUS
RIC Richmond station 1700 Nevin Avenue RAIL
SFW San Francisco (Wharf), California Beach St. & The Embarcadero BUS
SFV San Francisco (Civic Center), California 1150 Market Street BUS
SFC San Francisco (Ferry), California 101 The Embarcadero BUS

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
Belvedere 2,121 Town in Marin County, California
Bolinas 1,620 Census-designated place in Marin County, California
Woodacre 1,348 Census-designated place in Marin County, California