Apply for a Building Permit

The 2025 California Building Standards Code becomes effective January 1, 2026. All permit and plan-review applications submitted on or after this date must comply with the 2025 codes; applications submitted through December 31, 2025 will continue to be reviewed under the 2022 codes. For more information, visit the California Building Standards Commission or contact the Planning & Building Department at (707) 445-7245 or planningbuilding@co.humboldt.ca.us.

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Before you apply for a building permit we recommend reading the First Time Applying for a Building Permit page to familiarize yourself with our permit process. Additionally we recommend reading the Construction Documents page to get a sense of what construction documents will be required prior to permit issuance.

Projects such as new construction of a single family home, home remodels, accessory dwelling units (ADUs), tenant improvements, commercial, etc. require a Regular Building Permit. Some minor projects qualify for an Fast Track Permit. Simple solar projects can use the SolarAPP+ for same day permit issuance.

Structures such as Alternative-Owner Builder (AOB) residences, ag-exempt greenhouses, and manufactured homes should all be applied for via the Regular Building Permit process. 

See the Inspections page for next steps.