ADU Cities designs and builds custom accessory dwelling units throughout Trinity 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: Trinity County ADU ordinance — The county's official ADU ordinance document (TCC 17.30.040(C)) with ADU rules and permit provisions.
Serving All of Trinity County
Trinity County has no incorporated cities — we serve every community and unincorporated area across the county.
Call 562.810.1965 for a free consultation.
