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Apply for a building permit

Permits, inspections and planning information.

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 · Humboldt

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

County government · Humboldt

Planning & Building — Building Inspection

Unincorporated Humboldt County. Eureka, Arcata, Trinidad, Rio Dell, Fortuna, Ferndale and Blue Lake have separate jurisdictions.

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

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

Official page text containing: Welcome to the Humboldt County Building Division

Homepage Government Planning & Building About Us Divisions Building Inspection Building Inspection Department Welcome! Welcome to the Humboldt County Building Division's webpage! Here you'll find resources designed to assist you in understanding your projects building permit requirements. Additionally you will find instructions on utilizing tools such as the GIS, Accela, and County Code to understand project requirements and obtain building permits. Our Jurisdiction The Humboldt County Building Department has jurisdiction

Saved evidence: 681f11fc68daf535 · Agent source review

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