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
California Building and Remodeling offers ADU construction, kitchen & bathroom remodeling, roofing, and concrete services in Albany, CA and the Bay Area. Experienced ADU contractor serving Albany, Berkeley, Richmond & more.
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Barcci Builders specializes in ADU construction across the Bay Area, offering design, permitting, and build services. With 40+ completed units, they handle JADUs, garage conversions, attached, and detached ADUs, with costs ranging from $60K to $40... read more
The ADU Dudes is a Bay Area & Northern California ADU contractor offering ADU construction, JADUs, garage conversions, home additions & new builds. Licensed under San Andres Construction (#1081083), serving San Jose, Oakland, Fremont &... read more
Bay Area Home Remodelers builds ADUs in Daly City, San Francisco & San Jose. Services include garage conversions, granny flats, JADUs & detached units. Full project support from permits to completion.
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Manzanita Design Build is an East Bay ADU contractor specializing in accessory dwelling units. Serving Berkeley, Oakland, Alameda & more. New ADU construction starts ~$300K, 5–8 month build time. Licensed (#1034108) & insured.
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Kyvos Construction offers home remodeling & ADU construction in Concord, CA. Services include kitchen & bathroom renovations, room additions, garage conversions, detached & attached ADUs, granny flats, and in-law suites.
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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... read more
9 Builders is a Bay Area ADU contractor offering full-service design, permits & construction. Specializing in detached ADUs, garage conversions & additions, costs range $150K–$350K, taking 8–14 months to complete.
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Atlas General Construction delivers complete ADU construction for detached, attached, and converted structures. Our team manages every phase of development including zoning research, architectural coordination, structural engineering, Title 24 com... read more
Diagram Architecture & Diagram Design Build completed a 871 sq ft detached ADU with 2 beds, 1.5 baths, open floor plan, stainless appliances, custom closets & natural light—maximizing compact living through integrated design-build expert... read more
Edri Construction, Inc. in Burlingame offers full-service ADU construction across the Bay Area, including garage conversions, detached ADUs, attached additions, and custom interiors, with energy-efficient builds and multi-generational living solut... read more
DevArt8 Builders specializes in ADU construction in Gilroy, offering floor plans from 350–650 sq. ft. They handle permits, ensure zoning compliance, and build detached ADUs, attached units, and garage conversions tailored to each property.
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Remodeling Heroes is a licensed ADU contractor in the SF Bay Area offering garage conversions, detached ADUs, in-law suites, permits, and full project management for code-compliant, lot-smart accessory dwelling unit construction.
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HBC Construction, based in Fremont, CA, specializes in ADU building, garage conversions, new homes & additions across the Bay Area. Licensed, code-compliant, full-service from planning to completion.
read moreSunnyvale, 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.
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:
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:
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.