ADU Contractors near Berkeley, CA
Gordon Reese
100 Pringle Avenue, Walnut Creek, CA 94596
11.8 miles
Gordon Reese Design Build is a licensed ADU contractor in Walnut Creek, CA, with 41+ years of experience. They offer custom ADU design and construction, 3D renderings, transparent pricing, serving the Bay Area including Danville, Lafayette & C... read more
Quartz Construction
1777 Hamilton Avenue, San Jose, CA 95125
44.5 miles
Quartz Construction builds ADUs in San Jose, including detached units, garage conversions, and in-law suites. ADUs offer extra space, passive rental income, and multigenerational living solutions for Bay Area homeowners.
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ADU Home Addition
68 Centre Street, Mountain View, CA 94041
34.8 miles
ADU Home Addition is a leading Bay Area ADU contractor with 12+ years of experience. They specialize in custom ADU construction, in-law suites, garage conversions, home additions, and rental-optimized ADUs, handling design, permits, and full const... read more
Feldman Construction
3392 Georgetown Place, Santa Clara, CA 95051
38.5 miles
Feldman Construction specializes in custom ADU design and construction across the Bay Area, including San Mateo and Santa Clara County. They build detached ADUs, granny flats, and in-law suites to boost property value and expand living space.
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BuildZig ADU Services
3007 Telegraph Avenue, Oakland, CA 94609
6.1 miles
BuildZig ADU Services is a Bay Area ADU contractor specializing in design, permitting, and construction. They handle garage conversions, detached ADUs, basement/attic conversions, and more, offering transparent pricing throughout.
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Mola Construction & ADU
1294 Caldwell Court, Sunnyvale, CA 94087
38.1 miles
Mola Construction is a trusted ADU builder in San Jose with 20+ years of experience. They offer custom ADUs, kitchen remodels, home additions, and full remodeling services across the Bay Area, ensuring California code compliance.
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ResCom ADU, LLC
675 Ygnacio Valley Rd B213, Walnut Creek, CA CA 94596
12 miles
ResCom ADU is a full-service ADU builder in Walnut Creek, CA, offering design, permits, engineering, construction & hookups. With 100+ years of combined experience, they deliver custom, cost-effective accessory dwelling units using SIPs & ... read more
Wellmade
2371 Verna Court, San Leandro, CA 94577
12.8 miles
Wellmade is a California prefab ADU builder specializing in panelized accessory dwelling units. Founded in 2020, they've completed 200+ projects, reducing construction waste by 85%. Serving CA, OR, and WA with all-inclusive pricing.
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J&A BUILDERS INC
99 South Almaden Avenue, San Jose, CA 95113
43.2 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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Apex ADU Builders
10050 North Foothill Boulevard, Los Angeles, CA 95014
39.6 miles
Apex ADU Builders is a Los Angeles-based contractor specializing in accessory dwelling unit construction. Services include new builds, garage conversions, permitting, and design. Costs range from $80K–$400K, with potential ROI 35% higher than ho... read more
ADU Builders Group
15166 Los Gatos Boulevard, Los Gatos, CA 95032
46.6 miles
ADU Builders Group is a Bay Area family-owned ADU contractor with 21+ years of experience. They build attached, detached, converted, and junior ADUs, offering full design-build services, permitting support, a 3-year warranty, and a 10-year structu... read more
Method Remodeling General Contractor
533 Airport Boulevard, Burlingame, CA 94010
19.9 miles
Custom ADU construction and remodeling services focused on creating functional, comfortable living spaces with quality craftsmanship and reliable workmanship.
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North Bay ADU & Additions
1475 North Street, Santa Rosa, CA 95404
46.6 miles
North Bay ADU & Additions is a trusted ADU builder serving the North Bay area, specializing in accessory dwelling units and home additions. They offer planning, construction, and permit consultation to help homeowners boost property value and ... read more
ENE Smarthome, Inc.
690 Saratoga Avenue, San Jose, CA 95129
41.7 miles
ENE Smarthome, Inc. is a Bay Area contractor offering home remodeling, ADU construction, smart home upgrades, and accessibility improvements. Services include garage conversions, granny flats, aging-in-place remodels, and SB9-compliant ADU project... read more
We Do Construction
1528 Union Street, San Francisco, CA 94123
9 miles
We Do Construction specializes in ADU garage conversions across the San Francisco Bay Area. Licensed and insured, they handle permitting, 3D planning, construction, and interior design, offering free estimates for homeowners.
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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.