ADU Cities designs and builds custom accessory dwelling units throughout Humboldt County, California. Our in-house design-build team handles every step: feasibility and zoning review, architectural and structural plans, Title 24 energy documentation, permit submittal and plan-check corrections, construction, inspections, and final sign-off.
County ADU portal: Humboldt County ADU page — Inland/coastal ADU ordinances and permit submittal requirements.
Cities We Serve in Humboldt County
- Arcata
- Blue Lake
- Eureka
- Ferndale
- Fortuna
- Rio Dell
- Trinidad
Don’t see your city listed? We serve all of Humboldt County, including unincorporated communities. Call 562.810.1965 for a free consultation.
