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Detached ADU near Campbell, CA
OCA Builders | Construction Company & ADU Contractor
245 20th Avenue, Santa Cruz, CA 95062 21.9 milesOCA Builders is a trusted Santa Cruz general contractor specializing in ADU construction, custom homes, kitchen & bathroom remodeling, room additions, and commercial build-outs, delivering quality craftsmanship with deep local zoning expertise.
read moreADU Premium - Eco Tiny Houses
3421 Hollis Street, Oakland, CA 94608 42 milesADU Premium builds eco-friendly, RVIA-certified tiny homes and ADA-accessible ADUs. Models range from 90–360 sq ft, starting at $49,200. Includes permits, delivery, and installation. Financing available via RV loans, HELOC, and more.
read moreFull Steam Ahead Construction
3527 Mount Diablo Boulevard, Lafayette, CA 94549 43.2 milesLicensed ADU contractor Full Steam Ahead Construction serves East Bay homeowners with custom accessory dwelling units, including garage conversions, backyard cottages & in-law suites. Serving Concord, Oakland, Berkeley & more.
read moreElement Homes
188 Acalanes Drive, Sunnyvale, CA 94086 8 milesElement Homes is a California ADU contractor offering full-service design, permitting, and construction. They build detached ADUs, garage conversions, and in-law suites across the Bay Area, with in-house teams, warranties, and free estimates.
read moreGreenberg Construction
908 Industrial Avenue, Palo Alto, CA 94303 16.8 milesGreenberg Construction builds custom ADUs, including detached units & garage conversions. Services include 3D renderings, dedicated project management, eco-friendly options & expert design guidance to add value & living space to your property.
read moreEpic Modulars
157 North 4th Street, San Jose, CA 95112 5.4 milesEpic 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.
read moreDeBrus Construction LLC
820 Arguello Boulevard, San Francisco, CA 94118 44 milesDeBrus Construction LLC is a San Francisco general contractor specializing in seismic retrofits, foundation repair, ADU construction, and home remodeling. Led by Malcolm DeBrus, the company handles mandatory soft story retrofits, garage conversions, and full remodels with transparent pricing.
read moreEdrington and Associates
5944 Claremont Avenue, Oakland, CA 94618 42.5 milesEdrington 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.
read moreGreenwood Custom Builders, Inc.
765 Old County Road, San Carlos, CA 94070 22.3 milesApex Homes
10275 North De Anza Boulevard, Cupertino, CA 95014 5.4 milesHarmony Design & Development
5880 3rd Street, San Francisco, CA 94124 42.7 milesHarmony Design & Development builds custom ADUs across the San Francisco Bay Area, including detached units, garage conversions, and in-law suites. They manage permits, design, and construction from start to finish.
read moreCityPaks
San Francisco, CA 95130 43 milesCityPaks 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.
read moreType Five
1336 Channing Way, Berkeley, CA 94702 44.2 milesType Five is a Berkeley, CA-based ADU builder offering custom backyard cottages, granny flats & in-law suites. They combine modular design, transparent pricing & streamlined construction for stress-free, high-quality detached ADUs built to last.
read moreAKD Homes
3518 Arden Road, Hayward, CA 94545 25.1 milesAKD Homes is a SF Bay Area ADU contractor with 20+ years of experience. They offer full-service ADU design, permits, and construction, including detached ADUs, granny flats, and custom builds ranging from 400–750 sq. ft.
read moreOther cities in California
- North Highlands
- Sacramento
- North Hollywood
- Agoura Hills
- Encino
- Los Angeles
- Tarzana
- Long Beach
- Hollywood
- Glendale
- Valley Village
- Pasadena
- Burbank
- Downey
- Beverly Hills
What you need to know
Searching for top Detached ADU ADU Contractors in Campbell, California? Our directory highlights trusted local professionals who specialize in designing and building accessory dwelling units (ADUs).
Working with a qualified Detached ADU ADU Contractor in Campbell ensures your ADU project meets local building codes, zoning laws, and permit requirements. Whether you're planning a detached ADU, garage conversion, or backyard cottage, experienced Detached ADU professionals can guide you through every step.
Campbell homeowners are increasingly investing in ADUs to create additional living space, generate rental income, or support multigenerational living. The Detached ADU experts featured here bring local expertise and proven experience to help make your project a success.
Browse our listings to find the best Detached ADU ADU Contractors in Campbell, California, and get started today.