*** Please Note: Conservation and Development phone numbers have changed as of April 1, 2021 ***
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...
Please be advised as of Monday, July 12 all Building and Grading Permits must be submitted via the ePermits Center website and we will no longer be accepting permit applications via email. Read more...
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...
Codes and Plans
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.
Transportation - Plans and documents related to Transportation Improvements in Contra Costa County
Conservation Plans - Plans related to Environmental Conservation in Contra Costa County
Climate Action Plan - Climate Action Plan and related Resources/Documents
Federal Programs - Plans and Documents related to the administartion of Federal Funding Programs such as Community Development Block Grant (CDBG) or HOME funds.
EIRs and CEQA documents - Archive of Environmental Impact Reports (EIRs) and other California Environmental Quality Act Documents