ADU Contractors near Alameda, CA
Done Right Builders and Remodeling
1825 De La Cruz Boulevard, Santa Clara, CA 95050
33.3 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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Ogawa Fisher Architects
715 Colorado Avenue, Palo Alto, CA 94303
24.1 miles
Ogawa Fisher Architects, a Palo Alto firm with 20+ years experience, offers residential architecture and interior design, specializing in Passive House standards and ADU, JADU, and accessory structure projects from schematic design through constru... read more
ON Design & Remodeling
1762 Technology Drive, San Jose, CA 95110
33.4 miles
ON Design & Remodeling is a Bay Area ADU builder offering home additions, garage conversions, granny flats, and in-law suites. They help homeowners expand living space, boost property value, and generate rental income.
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Alon Design & Remodeling
722 Charcot Avenue, San Jose, CA 95131
32.9 miles
Alon Design & Remodeling is a leading ADU contractor offering detached, attached, garage conversion, basement, and JADU options. ADUs boost property value, generate rental income, and provide independent living spaces with full amenities.
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Greenberg Construction
908 Industrial Avenue, Palo Alto, CA 94303
21.5 miles
Greenberg 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 p... read more
Parsa Construction
1105 Fair Weather Circle, Concord, CA 94518
19.1 miles
Parsa Construction offers residential & commercial remodeling, ADU construction, and retrofit services. Specializing in kitchen, bathroom, room additions, and accessory dwelling units like granny flats and detached ADUs, they manage permits, d... read more
G Squared Construction
67 Martha Road, Orinda, CA 94563
9.2 miles
Sideline Builders Inc
4676 Hessel Road, Sebastopol, CA 95472
48.8 miles
If you’re considering adding an accessory dwelling unit to your home, contact your local ADU contractors near Sebastopol: Sightline Builders. Locally owned and operated in Sonoma County, they have over 28 years of experience in the construction ... read more
Griggs Construction
6118 Market Street, Oakland, CA 94608
5.5 miles
Metricon Homes
2010 Crow Canyon Road, Suite 100, San Ramon, CA 94583
16 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
Larson Shores Architects
1295 Alabama Street, San Francisco, CA 94110
10.5 miles
Larson Shores Architects is a San Francisco-based firm offering residential, ADU, and commercial design services. Founded in 2007 by Josh Larson, they specialize in new builds, garage conversions, in-law suites, and full permit navigation across t... read more
Build My Casita
652 Gilman Street, Palo Alto, CA 94301
23 miles
Ingenious General Construction
2890 North Main Street, Walnut Creek, CA 94597
15.7 miles
Ingenious General Construction is a BBB-certified, licensed contractor in Walnut Creek, CA, serving the East Bay. With 20 years of experience, they offer ADUs, kitchen & bathroom remodeling, home additions, pool construction, and landscaping.<... read more
Kaplan Architects
49 Zoe Street, San Francisco, CA 94107
7.1 miles
Kaplan Architects added a 280 sq ft ADU to an existing garage in Crocker Highlands, Oakland. Built into a hillside, it features a kitchenette, full bath, and Tudor-style exterior, serving as office, studio, or rental unit.
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Remodeling Heroes
2150 Shattuck Avenue, Berkeley, CA 94704
7.1 miles
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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Other cities in California
What you need to know
Building ADUs on Alameda Island: Unique Challenges and Opportunities
Alameda, California is a unique island city situated in the San Francisco Bay, connected to the mainland by tunnels and bridges. This distinctive geography creates specific considerations for ADU contractors in Alameda. The city sits in a liquefaction and seismic hazard zone, meaning that accessory dwelling unit construction must meet strict foundation and structural requirements. Experienced Alameda ADU contractors understand that soil conditions on the island often require additional geotechnical assessments before breaking ground, adding an important layer of planning to every project.
Alameda ADU Regulations and Zoning Requirements
The City of Alameda follows California state ADU law while also maintaining its own local guidelines. Alameda has a strong commitment to historic preservation, as many of its neighborhoods feature Victorian and Craftsman-era homes. ADU builders in Alameda must often navigate the city's Design Review process to ensure that new accessory dwelling units are compatible with the architectural character of existing structures. Key regulations include:
- Detached ADUs can be up to 1,200 square feet in most residential zones
- Junior ADUs (JADUs) up to 500 square feet are permitted within existing single-family homes
- Setback requirements of 4 feet from rear and side property lines for detached ADUs
- ADUs in historic districts may require additional design review approval
- Owner-occupancy requirements may apply depending on the type of ADU and local ordinance updates
Why Hire a Local ADU Contractor in Alameda?
Working with a licensed ADU contractor familiar with Alameda is essential for a smooth permitting and construction process. Local contractors understand the nuances of working with the City of Alameda's Building and Planning Departments, which can help reduce delays and costly revisions. They are also well-versed in the city's utility infrastructure, including the specific requirements for connecting to Alameda Municipal Power (AMP), the city's publicly owned electric utility — a detail that can affect project timelines and costs.
Types of ADUs Commonly Built in Alameda
Given Alameda's older housing stock and lot sizes, the most popular ADU types built by Alameda ADU contractors include:
- Garage Conversions – Many Alameda homes have detached garages ideal for conversion
- Detached Backyard ADUs – New construction units built in rear yards
- Junior ADUs (JADUs) – Carved out of existing interior space within the primary home
- Above-Garage ADUs – Second-story additions above existing garage structures
Start Your Alameda ADU Project Today
Whether you're looking to add rental income, house extended family, or increase your property value, building an ADU in Alameda is a smart investment. Partnering with an experienced ADU contractor in Alameda, CA ensures your project meets all local codes, respects the city's historic character, and is completed efficiently. Contact a qualified local ADU specialist today to get started with a site evaluation and design consultation.