ADU Cities designs and builds custom accessory dwelling units throughout Napa 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: Napa County ADU page — County ADU information.
Cities We Serve in Napa County
- American Canyon
- Calistoga
- Napa
- St. Helena
- Yountville
Don’t see your city listed? We serve all of Napa County, including unincorporated communities. Call 562.810.1965 for a free consultation.
