ADU Contractors near San Carlos, CA
E&E General Construction Inc
601 21st, Richmond, CA
30.5 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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Mola Construction & ADU
1294 Caldwell Court, Sunnyvale, CA 94087
15.3 miles
Mola Construction is a trusted ADU builder in San Jose with 20+ years of experience. They offer custom ADUs, kitchen remodels, home additions, and full remodeling services across the Bay Area, ensuring California code compliance.
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Quartz Construction
1777 Hamilton Avenue, San Jose, CA 95125
23.8 miles
Quartz Construction builds ADUs in San Jose, including detached units, garage conversions, and in-law suites. ADUs offer extra space, passive rental income, and multigenerational living solutions for Bay Area homeowners.
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Andrew G. Construction
2000 Broadway Ste. #152, Redwood City, CA 94061
2.4 miles
Epic Modulars
157 North 4th Street, San Jose, CA 95112
23.5 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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BUILD 33
21045 Cory Court, Cupertino, CA 95014
17.8 miles
BUILD 33 (CSLB #1051529) is a licensed general contractor based in Cupertino, CA, serving California, Arizona, Nevada, and Louisiana. They offer home additions, flooring, painting, plumbing, electrical, and more. Free quotes available.
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Todd Jersey Architecture
1321 Eighth Street, Berkeley, CA 94710
26 miles
Todd Jersey Architecture (TJA) is a Berkeley-based sustainable design firm serving the SF Bay Area. Specializing in ADUs, remodels, new homes & historic preservation, TJA combines 30+ years of experience with a performance-driven, eco-conscious approach.
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Shed Shop
3201 Diablo Avenue, Hayward, CA 94545
16.1 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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Bao-Tran Builders Inc
2156 The Alameda, San Jose, CA 95126
21.3 miles
Bao-Tran Builders Inc specializes in ADU construction, including detached ADUs, granny flats, JADUs, garage conversions & multi-unit properties. Expert ADU contractor delivering functional, high-quality housing solutions for property owners.
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Samara
2840 Bay Road, Redwood City, CA 94063
1.8 miles
Samara's Backyard ADU offers prefab accessory dwelling units for California homeowners. Five sizes available, including the 950 sq ft XL 10. Factory-built, fire-resistant, energy-efficient, with full-service permitting, installation & flexible financing.
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Decor Builders
800 Charcot Avenue, San Jose, CA 95131
21.2 miles
Decor Builders is a San Jose-based ADU contractor with 15+ years of Bay Area experience. They offer full-service ADU design and construction, including granny flats and in-law suites, handling permits, engineering, and project management.
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Intelligent Choice Builders
1437 Park Avenue, San Jose, CA 95126
22.4 miles
Intelligent Choice Builders is a licensed Bay Area ADU contractor serving Palo Alto, Cupertino, San Jose & Sunnyvale. They build detached ADUs, garage conversions, granny flats & more, managing permits, design & construction end-to-end.
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Urban Shore Builders
226 Delfino Avenue, Point Richmond, CA 94801
30.4 miles
Urban Shore Builders offers full-service ADU design & construction, including garage conversions, detached units & additions. As a turnkey ADU contractor, they handle permits, design & build. Services include plumbing, electrical, HVAC & retaining walls.
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Elite ADU Santa Cruz
347 Soquel Avenue, Santa Cruz, CA 95062
38.5 miles
Elite Construction builds ADUs in Santa Cruz County, offering detached units, garage conversions & addition ADUs. Projects range 250–1,200 sq ft, cost $115K–$450K, and take 6–9 months. Free estimates available.
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Bobcat Builders
East Palo Alto, CA 94303
7.2 miles
Bobcat Builders is a Bay Area ADU contractor specializing in accessory dwelling units in Palo Alto. They offer attached & detached ADUs, garage conversions, granny flats & in-law suites, backed by a Two Year Satisfaction Guarantee.
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Other cities in California
What you need to know
Building ADUs in San Carlos: A City That Embraces Smart Growth
San Carlos, California, often called the "City of Good Living," is a vibrant Peninsula community in San Mateo County that has embraced accessory dwelling units (ADUs) as a practical solution to the Bay Area's ongoing housing challenges. With its desirable location between San Francisco and Silicon Valley, San Carlos has seen strong demand for ADUs as homeowners look to add rental income, house family members, or increase property value. Working with experienced ADU contractors in San Carlos is essential to navigating the city's specific planning requirements and making the most of your investment.
San Carlos ADU Regulations and Permitting Requirements
San Carlos follows California state ADU law while also maintaining its own local guidelines through the Community Development Department. Homeowners and ADU builders in San Carlos must be aware of the following key regulations:
- Detached ADUs can be up to 1,200 square feet, depending on lot size and zoning.
- Attached ADUs are generally limited to 50% of the primary dwelling's square footage.
- Junior ADUs (JADUs) are capped at 500 square feet and must be within the existing structure.
- Setback requirements typically require a minimum of 4 feet from rear and side property lines for new detached ADUs.
- ADUs must comply with San Mateo County's fire safety standards, which may require sprinkler systems in certain cases.
- Owner-occupancy requirements were suspended under California state law, allowing more flexibility for investors and homeowners alike.
Why Hire a Local ADU Contractor in San Carlos?
Hiring a licensed ADU contractor familiar with San Carlos is one of the most important decisions you'll make during your project. Local contractors understand the nuances of the city's permitting process, know how to work efficiently with the San Carlos Building Division, and are familiar with the architectural styles common in neighborhoods like White Oaks, Howard Park, and Beverly Terrace. A knowledgeable contractor can help streamline approvals and avoid costly delays.
Types of ADUs Popular in San Carlos
Given the typical lot sizes and existing home styles in San Carlos, the most popular ADU types include:
- Garage conversions – Many San Carlos homes have detached garages that are ideal candidates for conversion.
- Detached backyard cottages – A popular choice for homeowners with larger lots.
- Basement conversions – Some older homes in San Carlos have underutilized basement space perfect for ADU development.
Start Your San Carlos ADU Project Today
Whether you're looking to create a rental unit, a home office, or a space for aging parents, working with a qualified ADU contractor in San Carlos, CA ensures your project meets all local and state requirements. With rising property values and strong rental demand in the Peninsula, an ADU is one of the smartest investments a San Carlos homeowner can make. Reach out to a trusted local ADU specialist today to get started.