San Mateo County (Spanish for ÒSaint MatthewÓ) is a county located in the U.S. state of California. As of the 2010 census, the population was 718,451. The county seat is Redwood City.
San Mateo County is included in the San Francisco-Oakland-Hayward, CA Metropolitan Statistical Area, and is part of the San Francisco Bay Area, the nine counties bordering San Francisco Bay. It covers most of the San Francisco Peninsula. San Francisco International Airport is located at the northern end of the county, and Silicon Valley begins at the southern end. The countyÕs built-up areas are mostly suburban with some areas being very urban, and are home to several corporate campuses.
Please see our Guide to County Resource Organizations page a brief description of the following organizations.
Send updated or missing information to map@wested.org
1355 Market Street, Suite 220
San Francisco, CA 94103
Phone: (415) 546-9222
Fax: (415) 546-9203
Website: http://www.ggrc.org
Areas Served: Marin, San Francisco, and San Mateo counties
1764 Marco Polo Way
Burlingame, CA 94010
Phone: 650-259-0189 | 650-259-0187 | 650-259-8543
Fax: 650-259-0188
Website: http://www.communitygatepath.com
101 Twin Dolphin Drive
Redwood City, CA 94065-1064
Phone: 650-802-5464
The Sobrato Center for Nonprofits
330 Twin Dolphin Drive, Suite 119
Redwood City, CA 94065-1455
Referral: 650-517-1460;
650-517-1461 (Spanish)
Fax: 650-286-1162
Website: http://www.sanmateo4cs.org
101 Twin Dolphin Drive
Redwood City, CA 94065-1064
Phone: 650-802-5551
Fax: 650-802-5564
1700 S. El Camino Real, Suite 405
San Mateo, CA 94402
Phone: 650-372-9500
Fax: 650-372-9588
Website: http://www.first5.smcgov.org
101 Twin Dolphin Dr.
Redwood City, CA 94065-1064
Phone: 805-964-4711
Website: http://www.smcoe.org
155 Bovet Road, Suite 300
San Mateo, CA 94402
Phone: 650-578-3424
Website: http://www.ihsdinc.org
24 Second Avenue
San Mateo, CA 94401
Phone: 650-403-4300 x4712
Website: http://www.peninsulafamilyservice.org