Las Gallinas is an unincorporated community

Unincorporated area

In law, an unincorporated area is a region of land that is not a part of any municipality.To "incorporate" in this context means to form a municipal corporation, a city, town, or village with its own government. An unincorporated community is usually not subject to or taxed by a municipal government...

 in Marin County, California

Marin County, California

Marin County is a county located in the North San Francisco Bay Area of the U.S. state of California, across the Golden Gate Bridge from San Francisco. As of 2010, the population was 252,409. The county seat is San Rafael and the largest employer is the county government. Marin County is well...

, 6.25 miles (10.1 km) south-southeast of Novato

Novato, California

Novato is a city located in the North Bay region of the San Francisco Bay Area, in northern Marin County. Novato is located about north-northwest of San Rafael, at an elevation of 30 feet above sea level . The 2010 U.S. Census estimated the city population to be about 51,904. Novato is about ...

.
At an elevation of 26 feet (8 m) Las Gallinas is near the interchange of U.S. Route 101

U.S. Route 101

U.S. Route 101, or U.S. Highway 101, is an important north–south U.S. highway that runs through the states of California, Oregon, and Washington, on the West Coast of the United States...

 and Lucas Valley Road/Smith Ranch Road in San Rafael

San Rafael, California

San Rafael is a city and the county seat of Marin County, California, United States. The city is located in the North Bay region of the San Francisco Bay Area...

.

Although consisting mainly of residential households, the immediate vicinity also includes a county park with golf course, wild life ponds, a private airport, shops, restaurants and movie theaters. A small industrial park houses low impact companies, storage units, and several non profit organizations.

The area is named for the Rancho San Pedro, Santa Margarita y Las Gallinas

Rancho San Pedro, Santa Margarita y Las Gallinas

Rancho San Pedro, Santa Margarita y Las Gallinas was a Mexican land grant in present day Marin County, California given in 1844 by Governor Manuel Micheltorena to Timothy Murphy . Las Gallinas means "the hens" in Spanish...

Mexican land grant.