California State Route 131

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State Route 131

Defined by S&HC § 431, maintained by Caltrans

Length:

4.39 mi^[1] (7.07 km)

West end:

US 101 in Mill Valley

East end:

Main Street in Tiburon

State highways in California (list - pre-1964)
County routes in California (list)
< SR 130		SR 132 >
History - Unconstructed - Deleted - Freeway - Scenic

Tiburon Boulevard, or State Route 131, is a short, 4.39 mile (7.07 km) route that connects U.S. Route 101 with the town of Tiburon in southeastern Marin County, California. Approximately the first half of the route is four-lane divided road, until it reaches the site of the old railroad trestle and Blackie's Pasture, after which it narrows to two lanes on Tiburon Peninsula heading into Tiburon.

The route follows the northern and eastern shorelines of Richardson Bay, an inlet of San Francisco Bay north of Sausalito. Beyond its western terminus at U.S. 101, Tiburon Blvd. becomes East Blithedale Avenue, which leads into Mill Valley. Its eastern terminus is at the intersection with Main Street in Tiburon, after which Tiburon Blvd. becomes Paradise Drive, a winding route which loops around the eastern side of Tiburon Peninsula, eventually leading to Corte Madera.

Route 131 passes near some of the most expensive homes in Marin County and all of the San Francisco Bay Area.