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.
read more
Home Quality Remodeling Inc. is a licensed Bay Area general contractor (CSLB #838832) with 20+ years of experience. Services include kitchen & bathroom remodeling, room additions, ADUs, and outdoor living across Concord, San Jose, and Paramus, NJ.
read more
ADUs (accessory dwelling units) are self-contained homes on existing properties. California's 2020 laws simplified ADU permits statewide. Alpha ADU Solutions, a San Francisco-based ADU builder with 100+ team members, specializes in granny flats, garage conversions & in-law suites.
read more
Shed Shop offers ADUs (Accessory Dwelling Units) via their Mini Cottage program. Sizes range from 192 to 480 sq. ft. Services include foundation, plumbing, electrical, permits & more. Available in select cities.
read more
Edri Construction, Inc. in Burlingame offers full-service ADU construction across the Bay Area, including garage conversions, detached ADUs, attached additions, and custom interiors, with energy-efficient builds and multi-generational living solutions.
read more
Harmony Design & Development builds custom ADUs across the San Francisco Bay Area, including detached units, garage conversions, and in-law suites. They manage permits, design, and construction from start to finish.
read more
At Smith and Son Construction, they specialize in designing and building high-quality ADUs in San Leandro, CA. Whether you envision a private guest house, a rental unit, or a home office, they deliver innovative designs, expert craftsmanship, and a stress-free construction experience.
read more
Burton Builders LLC is a trusted construction company specializing in ADU construction, single-family, multifamily, and commercial builds. Known for quality workmanship and client-focused service, they deliver expert results on every project.
read more
Realty Builders Inc. is a licensed ADU contractor specializing in custom accessory dwelling units, including in-law suites, granny flats, garage conversions & rental units, offering streamlined permitting & guaranteed workmanship.
read more
ResCom ADU is a full-service ADU builder in Walnut Creek, CA, offering design, permits, engineering, construction & hookups. With 100+ years of combined experience, they deliver custom, cost-effective accessory dwelling units using SIPs & Net-Zero technology.
read more
We are a family-first, boutique residential design & build firm serving the Orinda and East Bay community. We’re not just service providers — we’re your neighbors. We understand the local permitting process, the hillside terrain, the fire-hazard restrictions, and the thoughtful planning needed to create homes that truly work for East Bay families.
read more
Your Prefab ADU will be delivered and installed to your site. All ready to enjoy a sustainable home to last for generations.
read more
Bay Area Home Remodelers builds ADUs in Daly City, San Francisco & San Jose. Services include garage conversions, granny flats, JADUs & detached units. Full project support from permits to completion.
read more
ProStruct Engineering offers ADU structural engineering services across California, providing permit-ready plans and calculations for detached ADUs, garage conversions, granny flats, and more, with a 2–3 week turnaround.
read more
BuildZig ADU Services is a Bay Area ADU contractor specializing in design, permitting, and construction. They handle garage conversions, detached ADUs, basement/attic conversions, and more, offering transparent pricing throughout.
read morePetaluma, California, is a city celebrated for its stunning Victorian and Craftsman-era architecture, a historic downtown, and a strong sense of community identity. When hiring ADU contractors in Petaluma, homeowners must work with professionals who understand how to blend modern accessory dwelling units with the city's unique architectural character. Whether you're in a historic district near downtown or in a newer neighborhood, experienced local ADU contractors know how to navigate Petaluma's specific design guidelines and zoning requirements.
Petaluma follows California state ADU law while also maintaining its own local ordinances. The city falls under the jurisdiction of the City of Petaluma Planning Division, which oversees ADU permitting. Key regulations that ADU contractors in Petaluma must be familiar with include:
Skilled ADU builders in Petaluma are experienced in constructing a variety of unit types to suit different property layouts and homeowner needs. The most common ADU types in the area include:
Working with a local ADU contractor in Petaluma offers significant advantages. Local professionals are familiar with the City of Petaluma's building department processes, typical permit timelines, and any neighborhood-specific design considerations. They also have established relationships with local subcontractors and suppliers, which can help keep your project on schedule and within budget. Given Petaluma's unique blend of historic preservation concerns and modern housing demands, choosing a contractor with proven local experience is essential for a successful ADU project.