ADU Contractors near San Francisco, CA
Manzanita Design Build
408 48th Street, Oakland, CA 94609
11.5 miles
Manzanita Design Build is an East Bay ADU contractor specializing in accessory dwelling units. Serving Berkeley, Oakland, Alameda & more. New ADU construction starts ~$300K, 5–8 month build time. Licensed (#1034108) & insured.
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Green Living Builders, LLC
833 Bancroft Way, Berkeley, CA 94710
11 miles
Green Living Builders LLC is a licensed, bonded Berkeley CA general contractor specializing in ADU construction, garage conversions, home remodels, and new builds across the East Bay. Diamond Certified with deep local expertise.
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Home by Tom
1990 North California Boulevard, Walnut Creek, CA 94596
23.2 miles
Home by Tom is a Bay Area ADU contractor with 21+ years of experience serving Walnut Creek. They build detached ADUs, attached ADUs, and garage conversions, managing design, permits, and construction for rental income or multi-generational living.... read more
Dwelling Lab
21 El Caminito, Walnut Creek, CA 94598
23.9 miles
Dwelling Lab is an Oakland-based ADU design firm offering full-service planning, schematic design, construction drawings, permitting, and construction oversight for detached ADUs, attached additions, and garage conversions.
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LiveLarge
2380 Qume Drive, Fruitdale, CA 95131
39.2 miles
LiveLarge Home is a California prefab ADU builder offering full-service solutions from permits to final inspection. Build times start at 4–6 weeks, with fixed pricing from $412/sq. ft. Models range from studios to 2-bed/2-bath units with premium... read more
Kyvos Construction
430 Railroad Avenue, Pittsburg, CA 94565
35.3 miles
Kyvos Construction offers home remodeling & ADU construction in Concord, CA. Services include kitchen & bathroom renovations, room additions, garage conversions, detached & attached ADUs, granny flats, and in-law suites.
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Mission Home Remodeling
475 Gough Street, San Francisco, CA 94102
1.9 miles
Loona Construction Inc.
8407 Central Avenue, Newark, CA 94560
27.4 miles
Loona Construction Inc. is a San Francisco ADU contractor specializing in detached ADUs, garage conversions, attached ADUs, and JADUs. They handle design, permitting, and construction, helping homeowners add rental income or family housing.
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Colibri Kitchen & Bath
5976 Telegraph Ave, Oakland, CA 94609
11.3 miles
Colibri Kitchen & Bath offers full-service ADU construction in Oakland, handling design, permitting, and building. Services include site assessment, architectural plans, 3D renderings, and complete construction from foundation to finishing.read more
Reno Revive Remodeling
2655 Stanwell Drive, Concord, CA 94520
26.7 miles
Whether you’re planning a rental unit, a guest house, or a private suite for family, RenoRevive will help you design and build a fully functional ADU that fits your needs, your lot, and your long-term goals.
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Epic Modulars
157 North 4th Street, San Jose, CA 95112
41.9 miles
Epic Modulars delivers fast, flexible, and customizable solutions for homes and ADUs. Their manufactured homes and ADUs are built in controlled factory environments, ensuring superior quality, faster timelines, and predictable costs.
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Home WiP Construction Concierge
171 Main St 261, Los Altos, CA
31.7 miles
Tucan Builder
50 Woodside Plaza, Suite 814, Redwood City, CA 94601
23.7 miles
Tucan Builder is a family-owned general contractor in Redwood City, CA, serving San Mateo County. Specializing in ADU construction, room additions, kitchen remodeling, and home renovations, they bring 30+ years of combined experience.
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CityPaks
San Francisco, CA 95130
3 miles
CityPaks is a minority & woman-owned ADU builder in the San Francisco Bay Area specializing in affordable, sustainable backyard cottages & detached ADUs using SIP panels. No crane needed, no sales tax, pre-approved in San Jose.
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Romy Construction Inc
612 Miller Avenue, South San Francisco, CA 94080
7.1 miles
Other cities in California
What you need to know
ADU Contractors in San Francisco: Navigating One of the Most Complex Building Environments in California
San Francisco is one of the most densely populated cities in the United States, with a severe housing shortage that has made Accessory Dwelling Units (ADUs) a critical solution for homeowners looking to add living space or generate rental income. The city's unique topography, historic Victorian and Edwardian architecture, and strict local zoning laws make working with experienced ADU contractors in San Francisco absolutely essential. Unlike many other California cities, San Francisco has its own set of layered regulations that go beyond state ADU laws, requiring contractors who are deeply familiar with local codes.
San Francisco ADU Regulations Your Contractor Must Know
San Francisco has embraced ADU development in response to its housing crisis, but the permitting process remains complex. Skilled San Francisco ADU contractors must navigate requirements set by the San Francisco Planning Department and the Department of Building Inspection (DBI). Key regulatory considerations include:
- Unit size limits: Junior ADUs (JADUs) are capped at 500 square feet, while standard ADUs can go up to 1,200 square feet depending on lot size and zoning district.
- Historic preservation rules: Many San Francisco neighborhoods fall under historic district guidelines, meaning exterior modifications must be carefully reviewed to preserve architectural character.
- Soft-story retrofit compliance: Older buildings may require seismic upgrades before or alongside ADU construction, adding complexity and cost.
- Fire and life safety codes: San Francisco enforces strict fire separation and egress requirements, especially in multi-unit buildings.
- Rent control considerations: ADUs built within existing rent-controlled buildings may be subject to the San Francisco Rent Ordinance, which contractors and homeowners must understand before proceeding.
Types of ADUs Commonly Built in San Francisco
Due to the city's dense urban fabric and existing building stock, the most common ADU types built by San Francisco ADU contractors include garage conversions, basement conversions, and internal unit splits. Detached ADUs are less common given the limited lot sizes typical of San Francisco properties. Many homeowners in neighborhoods like the Sunset, Richmond, and Mission Districts are converting underutilized garages or ground-floor spaces into fully permitted rental units.
Why Hiring a Local San Francisco ADU Contractor Matters
Hiring a contractor with proven experience in San Francisco ADU projects can save homeowners significant time and money. Local contractors understand the nuances of working with the DBI, managing neighbor notifications, and coordinating with utility providers like PG&E and SFPUC. They are also familiar with the city's ADU pre-approved plans program, which can accelerate permit timelines considerably.
- Verify the contractor holds a valid California contractor's license (CSLB).
- Ask for references from completed San Francisco ADU projects specifically.
- Confirm they have experience with San Francisco's permit and inspection process.
- Ensure they understand local rent control and zoning implications.
With San Francisco's housing demand showing no signs of slowing, investing in an ADU remains one of the smartest moves a property owner can make. Partnering with a knowledgeable ADU contractor in San Francisco ensures your project is completed efficiently, legally, and to the highest standard.