ADU Contractors near San Carlos, CA
Anura Design
367 Civic Drive, Pleasant Hill, CA 94523
34.8 miles
Anura Design specializes in ADU design, offering styles from modern farmhouse and contemporary steel to Mediterranean stucco. Their interiors feature open-concept layouts, natural wood tones, and refined finishes tailored to compact, functional living spaces.
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Custom Home
2092 Concourse Drive, San Jose, CA 95131
21.9 miles
Custom Home is a Bay Area ADU contractor (CSLB #986048) with 160+ projects since 2005. They build detached, attached, junior ADUs & garage conversions across South Bay & Peninsula, with costs from $120K–$500K+.
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AK Pahulu Construction
1353 B Street, Hayward, CA 94541
16.5 miles
AK Pahulu Construction, a licensed Bay Area general & concrete contractor since 2015, offers custom homes, ADUs, remodeling, framing & more. Serving Oakland, San Jose, Fremont & beyond. Projects range from $10K–$2M.
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Aboveboard Construction
3950 Bramble Lane, Santa Cruz, CA 95062
39.5 miles
Aboveboard Construction Inc. serves Santa Cruz County & Los Gatos with 20+ years in residential construction. Services include new homes, ADUs, remodels, additions, kitchens, bathrooms, decking, fencing & repairs.
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Parsa Construction
1105 Fair Weather Circle, Concord, CA 94518
34.3 miles
Parsa Construction offers residential & commercial remodeling, ADU construction, and retrofit services. Specializing in kitchen, bathroom, room additions, and accessory dwelling units like granny flats and detached ADUs, they manage permits, design, and build.
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Velazquez Construction
156 Casillas Avenue, Freedom, CA 95019
47.5 miles
Velazquez Construction is a licensed, bonded general contractor (Lic. #1081720) with 18+ years serving Watsonville, Santa Cruz, Monterey & San Jose. Specializing in ADUs, garage conversions, remodels & home additions.
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Apex ADU Builders
10050 North Foothill Boulevard, Los Angeles, CA 95014
16.3 miles
Apex ADU Builders is a Los Angeles-based contractor specializing in accessory dwelling unit construction. Services include new builds, garage conversions, permitting, and design. Costs range from $80K–$400K, with potential ROI 35% higher than homes without ADUs.
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Gordon Reese
100 Pringle Avenue, Walnut Creek, CA 94596
30.4 miles
Gordon Reese Design Build is a licensed ADU contractor in Walnut Creek, CA, with 41+ years of experience. They offer custom ADU design and construction, 3D renderings, transparent pricing, serving the Bay Area including Danville, Lafayette & Concord.
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New Key Construction
2890 North Main Street, Walnut Creek, CA 94597
31.6 miles
Eano
42514 Albrae St, Fremont, CA 94583
14.9 miles
Eano offers custom on-site ADU design and build services, handling permits, construction, and financing. Their app tracks progress in real time. Licensed pros average 10+ years experience. Flexible 0% interest financing options available.
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Ingenuity Construction Group
991 Berryessa Road, San Jose, CA 95133
22.9 miles
At Ingenuity Construction Group, we specialize in crafting exceptional Accessory Dwelling Units (ADUs) that blend seamlessly with your existing property. With over 20 years of experience, our dedicated team ensures each ADU project is completed with meticulous attention to detail and superior craftsmanship.
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Wellmade
2371 Verna Court, San Leandro, CA 94577
15.3 miles
Wellmade is a California prefab ADU builder specializing in panelized accessory dwelling units. Founded in 2020, they've completed 200+ projects, reducing construction waste by 85%. Serving CA, OR, and WA with all-inclusive pricing.
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Valley Boutique Builders
153 2nd Street, Los Altos, CA 94022
11.6 miles
Valley Boutique Builders is a licensed Bay Area ADU contractor offering full-service accessory dwelling unit construction, custom home additions, kitchen and bathroom remodeling, and new construction with free initial consultations.
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Adapt Dwellings
5944 Claremont Avenue, Oakland, CA 94618
24.1 miles
ADUs add rental income & property value. Services include garage conversions, detached ADUs, JADUs & granny flats. ADU Feasibility Studies cover code, utilities & ROI. Architectural services via Adapt Dwellings ensure smooth approval to construction.
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Red White & Blue Construction
1080 Carol Lane, Lafayette, CA 94549
28.9 miles
RWB Construction is a Lafayette, CA-based ADU contractor serving the Bay Area. They build detached ADUs, garage conversions, granny flats & in-law suites, managing design, permitting, and construction from start to finish.
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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.