Development Services

Colusa County’s Development Services Department consists of the Planning, Building, Environmental Health, Code Compliance, and Water Resources divisions. The Board of Supervisors have combined these functions into a single agency in order to help facilitate the delivery of the highest level of customer service to the County’s residents and businesses in support of agricultural activities and economic development.


The primary functions of the department include:


  • Current planning, which includes processing and analyzing land use entitlements, tentative maps, and lot line adjustments
  • Long-range planning, which includes updating and creating county plans, drafting Zoning Code ordinances, and drafting General Plan resolutions
  • HOUSING ELEMENT UPDATE 2019 - Colusa County is currently updating it’s Housing Element. Find all the latest information.


Environmental Health

Water Resources

Code Compliance

Department Management

Administrative Staff