ADU Cities designs and builds custom accessory dwelling units throughout Colusa 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: Colusa County Development Services — Planning, Building, and permit portal links; no ADU-specific page published.
Cities We Serve in Colusa County
- Colusa
- Williams
Don’t see your city listed? We serve all of Colusa County, including unincorporated communities. Call 562.810.1965 for a free consultation.
