Update on Sacramento-San Joaquin River DeltaContra Costa lies at the heart of the Bay-Delta region. The County is part of the Delta Counties Coalition, a consortium of five counties that works to give one voice to the Sacramento-San Joaquin River Delta System. Learn about the Delta tunnel project. Read more...
All-Electric New Construction Ordinance for Residential, Hotel, Office or Retail Buildings AdoptedOn January 18, 2022, the County Board of Supervisors adopted an All-Electric Ordinance 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