ADU Contractors near Petaluma, CA
CDU Inc.
#595 San Ramon Valley Blvd, Danville, CA 94526
44.3 miles
CDU Inc. offers expert ADU construction & remodeling in the Greater Bay Area. Services include new builds, garage conversions, electrical, plumbing & custom design to boost property value & functionality.
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Level House Construction Inc
17332 Keaton Ave, Sonoma, CA 95476
9.4 miles
Level House Construction Inc. builds ADUs in Marin & Sonoma County, CA. Specializing in granny flats, in-law units & backyard cottages, they help homeowners add rental income, family housing & extra living space while boosting property value.
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Shed Shop
3201 Diablo Avenue, Hayward, CA 94545
49.8 miles
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.
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Remodeling Heroes
2150 Shattuck Avenue, Berkeley, CA 94704
32.3 miles
Remodeling Heroes is a licensed ADU contractor in the SF Bay Area offering garage conversions, detached ADUs, in-law suites, permits, and full project management for code-compliant, lot-smart accessory dwelling unit construction.
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Metricon Homes
2010 Crow Canyon Road, Suite 100, San Ramon, CA 94583
47.8 miles
Metricon Homes offers ADU construction and garage conversion services. Choose from 5 sizes: Marigold, Camellia, Magnolia, Dahlia, and Sunflower. Their Design to Doorstep process covers custom design to completion. Licensed contractor: Tobin Brinker, License #1128717.
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Realty Builders Inc.
50 California Street, San Francisco, CA 94111
33.4 miles
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.
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Reno Revive Remodeling
2655 Stanwell Drive, Concord, CA 94520
36.1 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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J.A. Meija Construction
5430 Commerce Boulevard, Rohnert Park, CA 94928
8.7 miles
J.A. Mejia Construction is a licensed ADU builder & home addition contractor in Sonoma County & the Bay Area. Services include detached ADUs, garage conversions, in-law suites & second-story additions in Santa Rosa, Petaluma & beyond.
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Haus+
Corte Madera, CA 94925
22.5 miles
Haus+ is a Bay Area ADU builder offering turnkey accessory dwelling units for California homeowners. They handle design, permitting, and construction using a panelized hybrid method, with all-inclusive upfront pricing and in-house financing available.
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Colibri Kitchen & Bath
5976 Telegraph Ave, Oakland, CA 94609
34.4 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.
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Edri Construction, Inc. San Francisco
701 Cortland Avenue, San Francisco, CA 94110
36.6 miles
Edri Construction, Inc. is a San Francisco-based ADU contractor offering full-service accessory dwelling unit construction across the Bay Area, including garage conversions, detached ADUs, granny flats, and energy-efficient home additions with in-house project management.
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ADU Premium - Eco Tiny Houses
3421 Hollis Street, Oakland, CA 94608
34.1 miles
ADU Premium builds eco-friendly, RVIA-certified tiny homes and ADA-accessible ADUs. Models range from 90–360 sq ft, starting at $49,200. Includes permits, delivery, and installation. Financing available via RV loans, HELOC, and more.
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Inspired ADUs
1940 Union Street, Oakland, CA 94607
34.9 miles
Inspired ADUs is an architect-led ADU design firm serving the Bay Area and Southern California. With 20+ years of experience and 250+ ADUs permitted, they offer custom, panelized, and modular ADU solutions, plus interior design and SB9 lot split services.
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E&E General Construction Inc
601 21st, Richmond, CA
26 miles
E&E General Construction Inc (License #1067263) specializes in ADU construction and garage conversions in Richmond, CA. Services include detached ADUs, attached units, and garage conversions across the Bay Area. Free estimates available.
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Regency Construnction & Remodeling BA
The Paramount, 95 3rd St, San Francisco, CA 94103
33.8 miles
Regency Construction & Remodeling BA is a San Francisco ADU contractor offering new builds, space conversions, and prefab ADU solutions. They handle design to completion, manage permits, and ensure compliance with local zoning laws.
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Other cities in California
What you need to know
ADU Contractors in Petaluma: Building in a City with Rich Architectural Heritage
Petaluma, 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.
Understanding Petaluma's ADU Regulations and Zoning Rules
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:
- Maximum ADU size: Detached ADUs can be up to 1,200 square feet, while attached ADUs are generally limited to 50% of the primary dwelling's square footage.
- Setback requirements: A minimum 4-foot setback from rear and side property lines is typically required for new detached ADUs.
- Height limits: Detached ADUs are generally limited to 16 feet in height, though this can vary based on lot location and proximity to transit.
- Historic districts: Properties within Petaluma's historic overlay zones may face additional design review requirements to preserve the city's architectural character.
- Owner-occupancy: California state law has suspended owner-occupancy requirements for ADUs through 2025, giving Petaluma homeowners more flexibility.
Types of ADUs That Petaluma Contractors Commonly Build
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:
- Detached ADUs: Standalone structures in the backyard, ideal for larger lots common in Petaluma's residential neighborhoods.
- Attached ADUs: Units added to the side or rear of an existing home, maximizing space on smaller lots.
- Garage conversions: Converting existing garages into livable space is a popular and cost-effective option throughout Petaluma.
- Junior ADUs (JADUs): Units up to 500 square feet created within the existing footprint of a primary residence.
Why Hire a Local ADU Contractor in Petaluma?
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.