Coronavirus Update:  Shelter in place advisories for Contra Costa have been extended indefinitely.  For the latest information on what the City is doing to keep us all healthy and safe, click here or visit

The Building Division is committed to fulfilling the needs of our community. The Building Division strives to achieve the highest professional standards and to provide exceptional personalized service to both the building community and the community as a whole. The Building Division ensures the safety of the citizens of Hercules through enforcement of state and local codes, standards, and regulations. The Division works diligently to ensure that all new construction meets the standard of construction required by the codes, and that all existing structures are maintained in a safe condition.