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Planning Application and Building Permits
The Application and Permit Center strives to make permit processing easier for applicants seeking land use or building permits by providing clear information, a solid understanding of the development process, and excellent customer service.
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Short-Term Rental Permit Application are Now Being Accepted
Contra Costa County has adopted an ordinance that regulates the renting of residential dwelling units for periods of 30 consecutive days or less. Applications must be submitted and a permit issued prior to operation of a short-term rental. Read more... -
Department of Conservation and Development (DCD) Operations Update
All department services continue to be available virtually either online or by phone. Building and planning permits continue to be an online-only application process. Our application and permit center is open by appointment only. Read more...
Contact Us
Main Office
Location:
30 Muir Road
Martinez, CA 94553
Map to Martinez Office
Contact:
Application and Permit Center: 925-655-2700
Contact Us - Online Form
Hours:
Monday - Thursday, 7:30 a.m. to 5:00 p.m.
Friday, 7:30 a.m. to 4:00 p.m.
Lamorinda Office
Location:
3685 Mt Diablo Boulevard
Suite 120
Lafayette, CA 94549
Map to Lafayette Office
Contact:
Phone: 925-655-3090
Fax: 925-299-0134
Email Lamorinda Office
Hours:
Monday - Thursday, 8:00 a.m. to 11:30 a.m. and 12:30 p.m. to 5:00 p.m.
Friday, 8:00 am to 11:30 a.m. and 12:30 p.m. to 4:00 p.m.
Services offered
- Structural Engineer
- Plan Checkers
- Building Permit Issuance
Schedule an Appointment
Codes, Plans and Ordinances
Building Code and Ordinances - Title 7 of the County Code (the Building Code) and relevant Building Ordinances.
Zoning Code and Ordinances - Title 8 of the County Code (the Zoning Code), relevant Zoning Ordinances, and community P-1 Zoning Codes.
General Plan - The Contra Costa County General Plan expresses the broad goals and policies, and specific implementation measure, which guide decisions on future growth, development, and conservation of resources through 2020.
Specific Plans - Specific Plans are a special set of development standards that apply to a particular geographic Area. Many of the unincorporated communities in Contra Costa County have Specific Plans.