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Marin County





Facts & Information

The Cities and communities of Marin County, California *

Almonte --

Bel Marin Keyes, Belvedere, Black Point, Bolinas

Corte Madera

Dillon Beach, Dogtown

Fairfax, Forest Knolls


Homestead Valley

Ignacio, Inverness

Kent Woodlands, Kentfield

Lagunitas, Larkspur, Los Ranchitos, Lucas Valley

Marin City, Marinwood, Marshall, Mill Valley, Muir Beach

Nicasio, Novato


Point Reyes Station


San Anselmo, San Geronimo, San Marin, San Quentin, San Rafael, Santa Venetia, Sausalito, Sleepy Hollow, Stinson Beach, Strawberry, Strawberry Point

Tamal, Tamalpais Valley, Terra Linda, Tiburon, Tomales


*This list of cities may not be complete

If you have information about any of these unlinked communities or have a community not listed at all, please send it to us and we will add a page for that community.

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Information & Facts about Marin County, California


Marin County Official Website
General Information: (415) 499-7000

Board of Supervisors
3501 Civic Center Drive, Room #329
San Rafael, CA 94903
Phone: 415-499-7331
Fax: 415-499-3645


1850 - 300
1950 - 85,000
1970 -208,000
2000 - 245,000

Other Facts & Figures:

Size: 520 square miles
Latitude: 38.067
Longitude: 122.73


A map page for Marin County. Also try this map page for the county

On its south side, Marin County faces San Francisco Bay and is linked to San Francisco by the Golden Gte Bridge. In the north and northeast, it is bounded by Sonoma County. The western side of the county faces the Pacific Ocean. The eastern border has the Richmond-San Rafael Bridge. San Francisco is 19 miles from the county and Sacramento is 80 miles away.


The county generally has a temperate, marine climate during the entire year. The winters are not cold, but with rain falling often. The summers tend to be warm and dry with fog along the coastal areas, particularly near the Golden Gate Bridge area. If traveling to this area, you will probably need a light coat or jacket in the evenings during the entire year.

Average Low: 46.0 (Kentfield)
Average High: 70.9 (Kentfield)
Average Temperature: 58.5 (Kentfield)
Average Rainfall: 48.5 inches (Kentfield)

Here is a weather page for Marin County
Road Conditions in Marin County
Marin County weather stations
Links to weather pages for many communities in the county


Try this History page for Marin County.

The natives of the area were the Coast Miwok Indians who were on hand to greet Sir Francis Drake and his crew when they arrived in 1579. The Indians had many villages in the area - over 600 sites. The first Spanish settlement in the county was not until 1817 when Mission San Rafael Archangel was founded. Soon after Chief Marin, headed a group opposing the Spaniard rule and fought so fiercely that later the county was named for him. In 1821, Spain gave way to Mexico and the missions were secularized. During this period, the Marin County area was divided up into large ranchos owned by powerful "Dons" or landowners. By 1846, when the US began occupying California, the Dons power was crumbling. When California became a state, Marin County was one of the original counties. More of the large ranchos were broken up into smaller ranches which still raise many herds of cattle today.

When the Golden Gate Bridge spanned the bay in 1937, development increased and more people moved into the area. Many areas of Marin County are preserved and protected from development.


Mt. Tamalpais is 2,600 feet above sea level. The county also has large redwood and pine forest, grasslands in the inland valleys and extremely rocky areas.


Vital Records in Marin County

Marin County Genealogical Society
P.O. Box 1511
Novato, CA 94948
Phone: 415-485-1174
The objectives of the organization are to fill the need for local access to genealogical materials and instructions; to promote interest in genealogical and related historical and biographical research


Marin County Free Library
3501 Civic Center Dr, # 414
San Rafael, CA 94903
Phone:      (415) 499-6051
he Marin County Free Library System exists to make a broad range of culture, information and knowledge available for the needs of the public.

Marin County Law Library
20 North San Pedro Rd
San Rafael, CA 94903  
Phone:      (415)499-6355  
Fax:   415-499-6837
30,000 volumes including complete California and Federal Statutory and case law, Law Reviews and more


Marin County office of Education
1111 Las Gallinas Ave
San Rafael, CA 94903
Phone: 415 472 4110

Organizations & Groups:

Marin Visitors Bureau
1013 Larkspur Landing Circle
Toll free telephone: 866-925-2060
Direct phone: 415-925-2060
Fax: 415-925-2063

Representing the communities and lodging properties of Corte Madera, , Larkspur, , , San Anselmo and as well as the County, State and National Parks.

West Marin Chamber of Commerce
P.O. Box 1045
Point Reyes Station, CA 94956
Phone: 415-663-9232
Serving business and community of West Marin including Inverness, Marshall, Muir Beach, Olema, Point Reyes, Stinson Beach and Tomales

Hispanic Chamber of Commerce of Marin
P.O. Box 4423
San Rafael, CA 94913
Phone: 415-721-9686
Fax: 415-479-4587
Business organization which promotes a network and strategies for Hispanic/Latino-owned businesses and Hispanic/Latino professionals

The Redwood Empire
The North Coast Visitor's Bureau
Serving nine coastal California Counties
Josephine, Del Norte, Humboldt, Mendocino, Lake, Napa, Sonoma, Marin and San Francisco

Attractions & Other Information:

Information about Marin County

Frank Lloyd Wright and Marin County

Sonoma/Marin Fair in Petaluma!
Phone: 707-283-3252
held in June each year
175 Fairgrounds Drive
Petaluma CA 94952
(near Washington & Payran Streets)
Administration Office (for general info): (707) 283-FAIR (3247)
Fax: (707) 283-3250
Entry and Livestock Office: (707) 283-3255
Racetrack: (707) 778-3100 or (707) 763-RACE for recorded information

Travel & Tourism in Marin County
Marin Visitors Bureau

The Arts in Marin County

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This page was last updated on 19 April 2010 at 3:29 pm
This page was created on 23 May 2003 at 4:35 pm