Hours, Phone Number and Locations

Main Office
255 Glacier Dr.
Martinez, CA 94553
Ph: (925) 313-2000
Fx: (925) 313-2333
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Business Hours
Monday – Thursday, 7:00 am - 5:00 pm
Friday, 7:00 am - 4:00 pm (closed 12:00 noon - 1:00 pm)
Records Counter is closed on Fridays

Airports
Buchanan (main office)
550 Sally Ride Drive
Concord, CA 
Ph:  (844) Fly-ToUs (844-359-8687)
Fx: (925) 646-5731
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Byron
500 Eagle Court
Byron, CA 
Ph: (844) Fly-ToUs (844-359-8687)
Fx: (925) 513-0749
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Application and Permit Center
30 Muir Road
Martinez, CA 94553
Ph: (925) 674-7744
Fx: (925) 674-7271
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The Application and Permit Center include staff from the Public Works and the Conservation and Development (Building Inspection and Community Development) Departments.

Facilities Maintenance
2467 Waterbird Way
Martinez, CA 94553
Ph: (925) 313-7052
Fx: (925) 313-7088
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Fleet Services
2467 Waterbird Way
Martinez, CA 94553
Ph: (925) 313-7074
Fx: (925) 313-7088
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Materials and Testing Lab
4785 Blum Rd.
Martinez, CA 94553
Ph: (925) 335-3665
Fx: (925) 335-3677
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Road Maintenance
Martinez (main office)
2475 Waterbird Way
Martinez, CA 94553
Ph: (925) 313-7000
Fx: (925) 313-7014
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Brentwood
3017 Walnut Blvd.
Brentwood, CA 94513
Ph: (925) 427-8562
Fx: (925) 427-8504
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Print & Mail Services
2366-B Stanwell Circle
Concord, CA  94520
Ph: (925) 646-5521
Fx: (925) 646-5523
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