Contact Los Vaqueros

Los Vaqueros Marina

9990 Los Vaqueros Road
Byron, CA 94514
(925) 371-2628

Watershed Office

100 Walnut Boulevard
Brentwood, CA 94513
(925) 240-2360

Los Vaqueros is open 365 days a year. See hours below.

September7 a.m. – 7 p.m.
October7 a.m. – 6 p.m.
November – February7 a.m. – 5 p.m.
March7 a.m. – 6 p.m.
April – August6 a.m. – 8 p.m.

John Muir Interpretive Center

19 Walnut Boulevard
Brentwood, CA 94513
(925) 240-2440

Open Saturdays and Sundays from 9 a.m. to 4 p.m.

Los Vaqueros Special Use Permits

For special use permit assistance at Los Vaqueros, please call our Watershed Staff at (925) 240-2360. 

Submit special use permit requests by mail to:

Contra Costa Water District
Los Vaqueros Watershed
Attention Watershed Clerk
P.O. Box H20
Concord, CA 94524-2099

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