Locations, Phone Numbers and Hours

Main Office
255 Glacier Drive
Martinez, CA  94553
Ph: (925) 313-2000
Fx: (925) 313-2333

Airports - Buchanan Field
550 Sally Ride Drive
Concord, CA  94520
Ph: (844) Fly-ToUs (844-359-8687)
Fx: (925) 646-5731

Application and Permit Center
30 Muir Road
Martinez, CA  94553
Ph: (925) 674-7744
Fx: (925) 674-7271

The Application and Permit Center includes staff from the Public Works and the Conservation & Development Departments.

Capital Project Management
40 Muir Drive, 2nd Floor
Martinez, CA  94553
Ph: (925) 957-2471
Fx: (925) 313-2101

Real Estate
40 Muir Drive, 2nd Flood
Martinez, CA  94553
Ph:  (925) 957-2467
Fx: (925) 228-2437

Road Maintenance
Martinez
2475 Waterbird Way
Martinez, CA  94553
Ph: (925) 313-7000
Fx: (925) 313-7014

Main Office Business Hours
Monday-Thursday 7:00 a.m. to 5:00 p.m.
Friday 7:00 a.m. to 4:00 p.m.
(closed 12:00 p.m. to 1:00 p.m.)
Records Counter is closed on Fridays



Airports - Byron
500 Eagle Court
Byron, CA  94514
Ph: (844) Fly-ToUs (844-359-8687)
Fx: (925) 513-0749



























Road Maintenance
Brentwood
3017 Walnut Boulevard
Brentwood, CA  94513
Ph: (925) 427-8562
Fx: (925) 427-8504