ADU Contractors near Sunnyvale, CA
ASL Remodeling
690 Saratoga Avenue, San Jose, CA 95129
5.3 miles
ASL Remodeling is a California licensed ADU contractor (CSLB #1060310) with 20+ years experience and 300+ completed projects. Services include detached ADUs, garage conversions, granny flats, JADUs, and in-law suites with full design-build support... read more
Vought Construction
734 Gilman Street, Berkeley, CA 94710
37.4 miles
Imagine the possibilities that a beautifully crafted ADU (accessory dwelling unit) brings to your Berkeley or Bay Area property. Whether it’s creating a cozy retreat for guests, a comfortable living space for family members, or an additional sou... read more
Regency Construnction & Remodeling BA
The Paramount, 95 3rd St, San Francisco, CA 94103
34.6 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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OCA Builders
331 Soquel Avenue, Santa Cruz, CA 95062
28.5 miles
OCA Builders offers ADU design & construction in Santa Cruz County, including detached, attached, garage conversion, internal & junior ADUs. They use county-approved floor plans to streamline permitting and reduce timelines.
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Palo Alto ADU Solutions
2590 Marshall Drive, Palo Alto, CA 94303
6.7 miles
Custom ADU builders in Palo Alto, CA, specializing in granny flats, detached ADUs & backyard cottages. Personalized design, permitting, and full construction management for quality accessory dwelling units.
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Kaplan Architects
49 Zoe Street, San Francisco, CA 94107
34.1 miles
Kaplan Architects added a 280 sq ft ADU to an existing garage in Crocker Highlands, Oakland. Built into a hillside, it features a kitchenette, full bath, and Tudor-style exterior, serving as office, studio, or rental unit.
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Nestadu
100 Shoreline Highway, Mill Valley, CA 94941
43.5 miles
Nestadu is a full-service ADU builder offering custom site-built and prefab accessory dwelling units. Prefab models range from $115K–$317K. Custom builds start at $400/sq ft. Financing options include HELOCs, construction loans, and CA grants.read more
DeHaro Construction Inc
6411 Brisa Street, Livermore, CA 94550
25.3 miles
Deharo Construction is a trusted ADU builder serving Livermore, Pleasanton, and Dublin. Specializing in accessory dwelling units, new construction, and home additions, they deliver custom granny flats, detached ADUs, and in-law suites across the T... read more
Bay Harbor Remodeling and Construction
2121 North California Boulevard, Walnut Creek, CA 94596
36.3 miles
Bay Harbor Remodeling & Construction is a licensed Bay Area contractor with 25+ years of experience. Services include kitchen & bathroom remodeling, ADU conversions, roofing, decks, and more across 50+ California cities.
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GR Innovative Builders Inc.
12488 San Pablo Avenue, Richmond, CA 94805
41.8 miles
GR Innovative Builders Inc. is a Bay Area ADU contractor specializing in accessory dwelling units, granny flats, and in-law suites. Completed projects in Richmond, Oakland, Lafayette & Pinole. Featured in Sunset Magazine.
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ADU Crew
6680 Alhambra Avenue, Martinez, CA 94553
43.2 miles
Your Prefab ADU will be delivered and installed to your site. All ready to enjoy a sustainable home to last for generations.
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Luma Dwellings Home Builder
63 Hazel Tree Ridge, Orinda, CA 94563
35.5 miles
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 fir... read more
Edrington and Associates
5944 Claremont Avenue, Oakland, CA 94618
34.4 miles
Edrington and Associates helps property owners add ADUs—garage conversions, detached units, or Junior ADUs. They offer ADU Feasibility Studies in three packages and a free 15-minute consultation to explore options.
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Northbay Home Solutions
47 Paul Drive, San Rafael, CA 94903
48.1 miles
Northbay Home Solutions offers full-service ADU construction in San Rafael, San Francisco & North Bay. Services include detached ADUs, garage conversions & JADUs, covering design, permits & build.
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Larson Shores Architects
1295 Alabama Street, San Francisco, CA 94110
35.3 miles
Larson Shores Architects is a San Francisco-based firm offering residential, ADU, and commercial design services. Founded in 2007 by Josh Larson, they specialize in new builds, garage conversions, in-law suites, and full permit navigation across t... read more
Other cities in California
What you need to know
ADU Contractors in Sunnyvale: Building in the Heart of Silicon Valley
Sunnyvale, California, sits at the core of Silicon Valley, making it one of the most competitive housing markets in the nation. With a median home price well above the national average and a dense population of tech professionals, the demand for additional living space has never been higher. ADU contractors in Sunnyvale are uniquely positioned to help homeowners maximize their property value while addressing the city's ongoing housing shortage. Whether you're looking to house family members or generate rental income, building an Accessory Dwelling Unit (ADU) in Sunnyvale is a smart investment.
Sunnyvale ADU Regulations and Zoning Requirements
Before breaking ground, it's essential to understand Sunnyvale's specific ADU regulations. The city follows California state law (AB 68, SB 9, and related legislation) while also enforcing its own local guidelines. Key rules that experienced ADU contractors in Sunnyvale, CA must navigate 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 rear and side setback 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 proximity to the main structure.
- Owner-occupancy: Sunnyvale has suspended owner-occupancy requirements in line with California state law through at least 2025.
- Parking: ADUs within half a mile of public transit may be exempt from additional parking requirements.
Types of ADUs Built by Sunnyvale Contractors
Skilled ADU builders in Sunnyvale work on a variety of unit types to suit different lot sizes and homeowner goals. The most common types include:
- Detached ADUs: Standalone structures built in the backyard, offering maximum privacy.
- Attached ADUs: Units connected to the primary home, sharing at least one wall.
- Garage Conversions: Transforming an existing garage into a livable space, a popular and cost-effective option in Sunnyvale.
- Junior ADUs (JADUs): Units up to 500 square feet created within the existing footprint of the primary residence.
Why Hire a Local ADU Contractor in Sunnyvale?
Working with a licensed ADU contractor familiar with Sunnyvale's permitting process can save you significant time and money. Local contractors understand the city's Community Development Department requirements, can efficiently submit plans through Sunnyvale's online permitting portal, and have established relationships with local inspectors. Given the high cost of land and construction in Santa Clara County, hiring an experienced professional ensures your project stays on budget and complies with all local codes.
From permit acquisition to final inspection, the right Sunnyvale ADU contractor will guide you through every step of the process, helping you unlock the full potential of your property in one of California's most desirable cities.