The 10 ADU builders from Google's results for Los Angeles, California, ordered by Google rating weighted by review count. No firm pays to be listed or ranked.
Last updated
Licensing in California. California contractors need a CSLB license for most remodeling work. Check the license number and its bond on the CSLB site before you sign.
on GoogleLos Angeles, CA
MDM General Contractor designs and builds accessory dwelling units in Los Angeles. Its ADUs serve as guest housing, multigenerational living space, rental units or home offices on the homeowner's existing property.
(213) 699-4069 1236 N Fairfax Ave Unit 08, Los Angeles, CA 90046
on GoogleAnaheim, CA
Vision ADU is an owner-led design-build company in Anaheim that handles feasibility, design, permits and construction for ADUs in Los Angeles and Orange County, with projects reaching San Diego and the Inland Empire. Work covers garage conversions, new detached units and junior ADUs, with a bilingual English and Spanish team.
(866) 668-4264 1440 S State College Blvd #6h, Anaheim, CA 92806
on GoogleValley Village, CA
Locally owned, NEO Builders designs and builds custom ADUs and garage conversions for Los Angeles homeowners, from Valley Village. The company handles plans, permits, construction and final inspection, with completed work that includes an SB9 duplex in an HPOZ district and a detached unit in Inglewood.
(818) 300-2666 12725 Califa St, Valley Village, CA 91607
on GoogleLos Angeles, CA
ADU Power House is an ADU builder in Los Angeles, California.
(310) 894-6293 5007 W Adams Blvd, Los Angeles, CA 90016
on GoogleSan Francisco, CA
Villa Homes builds ADUs in San Francisco, California.
(415) 968-1625 1 Letterman Dr Ste C3500, San Francisco, CA 94129
on GoogleLos Angeles, CA
Otto ADU builds custom ADUs, garage conversions and units from a catalog of pre-designed plans across Los Angeles. Recent projects include a Craftsman rebuild in Altadena after the Eaton Fire, a Los Feliz guest suite and a Winnetka artist space with folding patio doors.
(323) 210-4670 2926 Denby Ave Unit B, Los Angeles, CA 90039
Los Angeles
Working only on accessory dwelling units, ADU Build LA handles design, LADBS permitting and the full build on a single contract. The company works across Los Angeles County and offers a property assessment before any design work begins.
Los Angeles
In Los Angeles, SoCal ADU Firm designs and builds custom accessory dwelling units and garage conversions for Southern California homeowners, handling both the architectural design and the construction of each unit.
Los Angeles
Manhattan Bridge Construction Group designs and builds accessory dwelling units and converts garages into living space in California, with work in Los Angeles. Projects include new ADUs and garage-to-unit conversions for homeowners adding room on an existing lot.
Los Angeles
Nestadu builds custom and prefabricated ADUs in Sacramento, including tiny homes, granny flats, in-law suites and backyard cottages. The team designs each unit to suit the main house and neighborhood while working within current local regulations.
In Los Angeles, a garage conversion ADU typically costs $69,500 – $174,000. Remodeling labor in Los Angeles runs about 16% above the US median, which accounts for most of the difference from the same project elsewhere.
These are the firms from Google's results for "adu builders los angeles", with directories, chains and suppliers removed. They are ordered by Google rating weighted by review count, and the ratings shown are Google's. No firm pays to be listed or ranked. The list was last updated in October 2026.
It depends on your city and state. California, Oregon and Washington have state laws that make ADUs allowed on most single-family lots. Elsewhere it is set by local zoning, so check lot size, setback and owner-occupancy rules with your city first.