Official local service finder

Zoning & building permits

Look up a property’s zoning and find the right permit office.

Apply for a building permit Look up zoning maps

Before you start

Start with the jurisdiction of the property. County permit offices may serve only unincorporated areas.
Use the official map and confirm project requirements with the planning or building office.

1 guide with reviewed service links · Colusa

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U.S. Census boundaries via U.S. Atlas · 2017 edition, simplified for display.

County government · Colusa

Community Development — Building Department

Colusa County building permit services. Confirm which county or city agency handles your property before applying.

County building permit informationOfficial instructions

Official county building permit guidance. Service boundaries and project requirements must be confirmed with the department.

Source checked October 14, 2026

Colusa County · Colusa — building permit department (opens in a new tab)

Official page text containing: The Building Department will review project plans and code compliance.

se is allowed in the assigned zone. The Planning Department is located at 1213 Market Street, Colusa, CA. (530)458-0480 The Building Department will review project plans and code compliance. The Building Department is located at 1213 Market Street, Colusa, CA. (530)458-0481 The Environmental Health Department will review the plot plan for compliance with health related matters in conjunction with activities associated with well and waste disposal systems. The Environmental Health Department is located at 1213Market Street, Colusa, CA. (530)458-

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