ADU Contractors near Martinez, CA
Green Living Builders, LLC
833 Bancroft Way, Berkeley, CA 94710
13.5 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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OT Bay Builders
1580 Oakland Road, San Jose, CA 95131
44.4 miles
OT Bay Builders is a complete remodeling company with over 40 years of combined experience amongst our team. We’re expert Bay Area ADU builders in San Jose with a customer-first mindset. As a full-service ADU builder, you can trust us to remain ... read more
Build My Casita
652 Gilman Street, Palo Alto, CA 94301
38.3 miles
Baystar - Garage Remodel
2074 Walsh Avenue, Santa Clara, CA 95050
44.3 miles
Bay Star Garage transforms garages into functional spaces in Santa Clara & Livermore, CA. Services include remodeling, flooring, EV charging, lighting, conversions & cabinets. Licensed, bonded & insured contractor specializing in ADUs ... read more
Full Steam Ahead Construction
3527 Mount Diablo Boulevard, Lafayette, CA 94549
7.4 miles
Licensed ADU contractor Full Steam Ahead Construction serves East Bay homeowners with custom accessory dwelling units, including garage conversions, backyard cottages & in-law suites. Serving Concord, Oakland, Berkeley & more.
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CityPaks
San Francisco, CA 95130
21.5 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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ADU Builders Bay Area
111 N Market St Suite 1150, San Jose, CA 95113
45.8 miles
ADU Builders Bay Area specializes in detached ADUs, garage conversions, in-law suites & more. Expert ADU contractors offering transparent pricing, full permitting & quality construction throughout the Bay Area.
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Ogawa Fisher Architects
715 Colorado Avenue, Palo Alto, CA 94303
38.7 miles
Ogawa Fisher Architects, a Palo Alto firm with 20+ years experience, offers residential architecture and interior design, specializing in Passive House standards and ADU, JADU, and accessory structure projects from schematic design through constru... read more
Design and Construction by M&M
100 South Murphy Ave STE 200, Sunnyvale, CA 94086
43.2 miles
Bay Area general contractor Design and Construction by M&M specializes in ADUs, remodeling, room additions, and custom builds. Serving Burlingame, Los Altos, and Campbell, they manage design, permitting, and construction. Free consultations av... read more
Bay Villa Builders
36007 Bayonne Drive, Newark, CA 94560
31.8 miles
Bay Villa Builders brings over 50 years of combined experience in crafting expertly designed ADUs that enhance both your home's functionality and its value. An Accessory Dwelling Unit, or ADU, serves as an additional living space on your property.... read more
Sigura Construction, Inc.
1290 Reamwood Avenue, Sunnyvale, CA 94089
41.3 miles
Sigura Construction, Inc. builds ADUs & garage conversions in Silicon Valley. Licensed, A+ BBB rated, Diamond Certified 18+ years. Serving Menlo Park, Palo Alto, Atherton & more. Free estimates available.
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E&E General Construction Inc
601 21st, Richmond, CA
13.5 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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GADI Construction
3205 Cabrillo Avenue, Santa Clara, CA 95051
45.7 miles
GADI Construction, led by Nadav, specializes in ADU construction, home expansions, garage conversions & granny flats. Known for detailed planning, clear communication & professional client guidance throughout every project phase.
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C.J. Skeeles General Contractor
24845 Canyon View Court, Hayward, CA 94541
23.1 miles
C.J. Skeeles General Contractor specializes in ADU construction in Hayward, Oakland & San Francisco, CA. Services include detached ADUs, garage conversions & interior conversions, all built to California zoning & permitting requirement... read more
Haus+
Corte Madera, CA 94925
23 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 availa... read more
Other cities in California
What you need to know
ADU Contractors in Martinez, CA: Building in the Heart of Contra Costa County
Martinez, the county seat of Contra Costa County, is a historic waterfront city with a rich architectural heritage and a growing demand for additional housing. As housing costs continue to rise throughout the Bay Area, ADU contractors in Martinez, California are playing a vital role in helping homeowners maximize their property value and create additional living space. With its mix of Victorian-era homes, craftsman bungalows, and mid-century properties, Martinez presents unique opportunities and challenges for ADU construction professionals.
Understanding Martinez ADU Regulations and Permitting
Before breaking ground on an accessory dwelling unit in Martinez, homeowners and contractors must navigate the city's specific zoning and building codes. Martinez follows California state ADU law while also enforcing its own local guidelines. Key regulatory considerations include:
- Zoning compliance: ADUs are generally permitted in single-family and multifamily residential zones throughout Martinez.
- Size limitations: Detached ADUs can be up to 1,200 square feet, while attached ADUs are typically limited to 50% of the primary dwelling's square footage.
- Setback requirements: A minimum 4-foot rear and side setback is required for most new detached ADUs.
- Historic district considerations: Some areas of Martinez fall within historic overlay zones, requiring additional design review to preserve the city's architectural character.
- Parking requirements: In many cases, replacement parking is not required when a garage is converted into an ADU.
Types of ADUs Built by Martinez Contractors
Experienced ADU builders in Martinez, CA are skilled 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 built in the backyard, ideal for larger lots common in Martinez's residential neighborhoods.
- Garage Conversions: Transforming existing garages into livable space, a popular and cost-effective option.
- Attached ADUs: Units added directly to the existing home, sharing at least one wall with the primary structure.
- Junior ADUs (JADUs): Units up to 500 square feet created within the existing footprint of a home.
Why Hire a Local ADU Contractor in Martinez?
Working with a licensed ADU contractor familiar with Martinez ensures your project moves smoothly through the city's Building and Planning Department. Local contractors understand the nuances of building on hillside lots, working near the Carquinez Strait waterfront, and dealing with the region's seismic requirements. They also have established relationships with local inspectors and subcontractors, which can significantly reduce project timelines and costs.
Whether you're looking to generate rental income, house a family member, or increase your property's resale value, investing in an ADU in Martinez, California is a smart long-term decision. Contact a qualified local ADU contractor today to start planning your project.