ADU Contractors near Sunnyvale, CA
ADU San Mateo
3 East 3rd Avenue, San Mateo, CA 94401
20.6 miles
At ADU San Mateo, we combine architectural insight, construction experience, and deep knowledge of Bay Area zoning laws to deliver high quality accessory dwelling units from design through move in. Our mission is simple: to make building your ADU ... 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
CityPaks
San Francisco, CA 95130
34.9 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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Urbatect Development, LLC
444 Airport Boulevard, Watsonville, CA 95076
33.8 miles
Urbatect Development LLC is a California & Washington ADU contractor offering custom homes, garage conversions, JADUs & detached ADUs. 15+ years experience, 3,500+ projects, fixed pricing, fast permitting & 3D design.
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Dream Build Services
3654 Thornton Ave, Fremont, CA 94536
12.4 miles
Dream Build Services is a full-service ADU contractor in Fremont, CA, offering detached ADUs, garage conversions, basement conversions, and JADUs. Services include design, permits, electrical, plumbing, HVAC, and solar integration across the East ... read more
Done Right Builders and Remodeling
1825 De La Cruz Boulevard, Santa Clara, CA 95050
5 miles
Done Right Builders & Remodeling is a licensed Bay Area ADU contractor (Lic#1002689) with 20+ years experience. Services include detached/attached ADUs, JADUs & garage conversions in Union City, Hayward, San Jose & Santa Clara.
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San Francisco ADU Solutions
967 Connecticut Street, San Francisco, CA 94107
35.3 miles
ADUs (accessory dwelling units) are self-contained homes on existing properties. California's 2020 laws simplified ADU permits statewide. Alpha ADU Solutions, a San Francisco-based ADU builder with 100+ team members, specializes in granny flats, g... read more
Bayside Builders Group
1151 Harbor Bay Parkway, Alameda, CA 94502
26.6 miles
Bayside Builders Group is a licensed Bay Area ADU contractor with 25+ years of experience. Services include detached ADUs, garage conversions, and in-law suites. Serving Oakland, San Jose, San Francisco, and surrounding counties.
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Method Remodeling General Contractor
533 Airport Boulevard, Burlingame, CA 94010
22.6 miles
Custom ADU construction and remodeling services focused on creating functional, comfortable living spaces with quality craftsmanship and reliable workmanship.
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Mana Construction Inc
531 Ridge Ave, Vallejo, CA 94591
49.3 miles
Home Quality Remodeling
3033 Moorpark Avenue, San Jose, CA 95128
6.3 miles
Home Quality Remodeling Inc. is a licensed Bay Area general contractor (CSLB #838832) with 20+ years of experience. Services include kitchen & bathroom remodeling, room additions, ADUs, and outdoor living across California and New Jersey.
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Velazquez Construction
156 Casillas Avenue, Freedom, CA 95019
34 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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BUILD 33
21045 Cory Court, Cupertino, CA 95014
4.9 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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J&A BUILDERS INC
99 South Almaden Avenue, San Jose, CA 95113
8.5 miles
J&A Builders Inc serves San Jose & the Bay Area with residential construction, remodeling, ADUs, second floor additions & garage conversions. Services include kitchen, bathroom, whole-home remodels & granny flats.
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New Key Construction
2890 North Main Street, Walnut Creek, CA 94597
37.5 miles
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.