ADU Contractors near Berkeley, CA
ADORE Homes
180 East Sunnyoaks Avenue, Campbell, CA 95008
45.1 miles
ADORE Homes is a California ADU contractor specializing in detached ADUs, garage conversions, JADUs & in-law suites. They manage design, permitting & construction, helping homeowners add value & living space.
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San Francisco ADU Solutions
967 Connecticut Street, San Francisco, CA 94107
12.5 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
Sigura Construction, Inc.
1290 Reamwood Avenue, Sunnyvale, CA 94089
35.7 miles
Sigura Construction, Inc. builds ADUs & garage conversions in Silicon Valley. Licensed, A+ BBB rated, Diamond Certified 18+ years. Serving Menlo Park, Palo Alto, Atherton & more. Free estimates available.
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Shed Shop
3201 Diablo Avenue, Hayward, CA 94545
17.9 miles
Shed Shop offers ADUs (Accessory Dwelling Units) via their Mini Cottage program. Sizes range from 192 to 480 sq. ft. Services include foundation, plumbing, electrical, permits & more. Available in select cities.
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Metricon Homes
2010 Crow Canyon Road, Suite 100, San Ramon, CA 94583
17.7 miles
Metricon Homes offers ADU construction and garage conversion services. Choose from 5 sizes: Marigold, Camellia, Magnolia, Dahlia, and Sunflower. Their Design to Doorstep process covers custom design to completion. Licensed contractor: Tobin Brinke... read more
Shefer Builder Inc.
585 S Winchester blvd #759, San Jose, CA 95128
42.2 miles
Shefer Builder Inc. offers full-service ADU construction, managing design, permits, and building. Specializing in detached ADUs, granny flats, and in-law suites, they deliver custom accessory dwelling units that boost property value and rental inc... read more
Urban Shore Builders
226 Delfino Avenue, Point Richmond, CA 94801
7.1 miles
Urban Shore Builders offers full-service ADU design & construction, including garage conversions, detached units & additions. As a turnkey ADU contractor, they handle permits, design & build. Services include plumbing, electrical, HVAC... read more
Adapt Dwellings
5944 Claremont Avenue, Oakland, CA 94618
2.1 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 t... read more
Bay Builders & Remodeling
800 Charcot Avenue, San Jose, CA 95131
39.2 miles
Bay Builders & Remodeling specializes in custom ADU construction across Santa Clara, San Mateo, and East Bay. Services include attached, detached, garage conversions, and JADUs, helping homeowners add rental income, family housing, or workspac... read more
California Bay Builders & Remodeling
2150 N 1st Street Suite 400, San Jose, CA 95131
39.3 miles
Bay Area design-build ADU specialists. One project, one point of contact — design, engineering, permitting, and construction from start to finish. CSLB #1130783.
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Excellent Home Remodeling
1310 Alma Avenue, Walnut Creek, CA 94596
11.6 miles
Excellent Home Remodeling offers professional home addition services in Sonoma, helping homeowners expand living spaces, add bedrooms, bathrooms, home offices, or in-law suites. They handle planning and execution tailored to each property's needs.... read more
Level House Construction Inc
17332 Keaton Ave, Sonoma, CA 95476
33.1 miles
Level House Construction Inc. builds ADUs in Marin & Sonoma County, CA. Specializing in granny flats, in-law units & backyard cottages, they help homeowners add rental income, family housing & extra living space while boosting property... read more
Full Steam Ahead Construction
3527 Mount Diablo Boulevard, Lafayette, CA 94549
8.8 miles
Licensed 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.
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Barzel Builders
4039 Transport Street, Palo Alto, CA 94303
32.3 miles
Bayside Builders Group
1151 Harbor Bay Parkway, Alameda, CA 94502
10.2 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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Other cities in California
What you need to know
Berkeley's Progressive ADU Policies: A City Leading the Way
Berkeley, California has long been recognized as one of the most forward-thinking cities in the Bay Area when it comes to Accessory Dwelling Units (ADUs). As a city with a strong commitment to addressing its housing shortage and promoting sustainable urban development, Berkeley has embraced ADU construction as a key solution. The city's proximity to UC Berkeley drives consistent housing demand, making ADUs an especially attractive investment for homeowners looking to generate rental income or house family members.
Understanding Berkeley's ADU Regulations
Working with experienced ADU contractors in Berkeley is essential, as the city has specific zoning laws and building codes that must be carefully followed. Berkeley falls under both California state ADU laws and its own local ordinances. Key regulations include:
- Size limits: Detached ADUs can be up to 1,200 square feet, while Junior ADUs (JADUs) are capped at 500 square feet.
- Setback requirements: A minimum 4-foot rear and side setback is typically required for new detached ADUs.
- Height restrictions: Detached ADUs are generally limited to 16 feet in height, though this can vary by zone.
- Historic districts: Berkeley has several historic districts where additional design review may be required, adding complexity to the permitting process.
- Parking requirements: In most cases, ADUs in Berkeley do not require additional parking spaces, especially when located near transit corridors.
The Permitting Process for ADUs in Berkeley
The Berkeley Planning and Development Department oversees ADU permits. Homeowners must submit detailed plans for review, which typically include architectural drawings, site plans, and structural engineering documents. Berkeley has worked to streamline its ADU permitting process in alignment with California's AB 68 and SB 9 legislation, aiming to reduce approval times. However, projects in hillside areas or near fault zones may require additional geological assessments, making it even more important to hire knowledgeable local ADU contractors familiar with Berkeley's unique terrain.
Why Hire a Local Berkeley ADU Contractor?
Choosing a licensed ADU contractor based in Berkeley offers significant advantages. Local contractors understand the nuances of building in the East Bay, including:
- Familiarity with Berkeley's specific zoning maps and overlay districts
- Established relationships with local building inspectors and planning staff
- Experience navigating hillside construction challenges and seismic safety requirements
- Knowledge of utility connection requirements through PG&E and EBMUD
Maximizing Your ADU Investment in Berkeley
With Berkeley's median rental rates among the highest in the nation, a well-built ADU can generate substantial monthly income. Whether you're converting a garage, building a backyard cottage, or adding a junior ADU within your existing home, working with a qualified Berkeley ADU contractor ensures your project is completed on time, within budget, and fully compliant with all local and state regulations. Start your ADU journey today and contribute to Berkeley's growing housing solutions.