Real costs, permit checklists and project timelines from a Bay Area general contractor with 19+ years on the job site. Updated regularly.
A garage conversion is one of the fastest and most cost-effective ways to add legal living space to your Bay Area property. Best Construction Inc converts attached and detached garages into permitted bedrooms, studios, rental ADUs, and home offices — with full design, permitting, and construction services.
California’s ADU laws have made it easier than ever to add a legal dwelling unit to your property — and Bay Area rents make the return compelling. Best Construction Inc designs and builds garage ADUs, loft conversions, and detached ADUs across the Bay Area, handling design, permits, and construction under one contract.
Free on-site quote across the San Francisco Bay Area. Licensed, insured, BBB-accredited.