ADU Contractors near Redwood City, CA
NorCal ADU Builders
San Francisco, CA 94104
22.2 miles
NorCal ADU Builders is a California-based full-service ADU contractor handling planning, permits, Title 24 compliance, and construction—including foundation, framing, roofing, plumbing, and interior finishes—for detached ADUs, garage conversions, and backyard cottages.
read more
Smith and Son Construction
1771 Vineyard Drive, Antioch, CA 94509
42.6 miles
At Smith and Son Construction, they specialize in designing and building high-quality ADUs in San Leandro, CA. Whether you envision a private guest house, a rental unit, or a home office, they deliver innovative designs, expert craftsmanship, and a stress-free construction experience.
read more
Jaws Construction Services
14000 Kelso Road, Byron, CA 94514
41.4 miles
Jaws Construction Services builds ADUs, garage conversions, and JADUs. They handle permits, HOA coordination, and offer site-built or prefab options. East Bay ADUs rent for $1,500–$3,500+/month, potentially boosting property value.
read more
DevArt8 Builders
1828 South Milpitas Boulevard, Milpitas, CA 95035
19.4 miles
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.
read more
Regency Construnction & Remodeling BA
The Paramount, 95 3rd St, San Francisco, CA 94103
21.9 miles
Regency Construction & Remodeling BA is a San Francisco ADU contractor offering new builds, space conversions, and prefab ADU solutions. They handle design to completion, manage permits, and ensure compliance with local zoning laws.
read more
Velazquez Construction
156 Casillas Avenue, Freedom, CA 95019
46.4 miles
Velazquez Construction is a licensed, bonded general contractor (Lic. #1081720) with 18+ years serving Watsonville, Santa Cruz, Monterey & San Jose. Specializing in ADUs, garage conversions, remodels & home additions.
read more
Atlas Construction
101 Jefferson Drive, Menlo Park, CA 94025
3.1 miles
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 compliance, permit processing, foundation work, framing, roofing, plumbing, electrical systems, HVAC installation, interior finishes, and final inspections.
read more
Baystar - Garage Remodel
2074 Walsh Avenue, Santa Clara, CA 95050
17.2 miles
Bay Star Garage transforms garages into functional spaces in Santa Clara & Livermore, CA. Services include remodeling, flooring, EV charging, lighting, conversions & cabinets. Licensed, bonded & insured contractor specializing in ADUs and garage upgrades.
read more
Done Right Builders and Remodeling
1825 De La Cruz Boulevard, Santa Clara, CA 95050
18.5 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.
read more
Nestadu
100 Shoreline Highway, Mill Valley, CA 94941
30.5 miles
Nestadu is a full-service ADU builder offering custom site-built and prefab accessory dwelling units. Prefab models range from $115K–$317K. Custom builds start at $400/sq ft. Financing options include HELOCs, construction loans, and CA grants.
read more
Full Steam Ahead Construction
3527 Mount Diablo Boulevard, Lafayette, CA 94549
27.6 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.
read more
Adria Design + Build
648 Paco Drive, Los Altos, CA 94024
11.2 miles
We guide you through design options and material choices, taking precise measurements to create a custom plan that perfectly fits your property. This careful planning ensures that your new ADU will seamlessly blend with your existing space and meet all your functional needs.
read more
LRL Builders
1661 Botelho Drive, Walnut Creek, CA 94596
28.5 miles
ON Design & Remodeling
1762 Technology Drive, San Jose, CA 95110
19.1 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.
read more
Design and Construction by M&M
100 South Murphy Ave STE 200, Sunnyvale, CA 94086
13.8 miles
Bay Area general contractor Design and Construction by M&M specializes in ADUs, remodeling, room additions, and custom builds. Serving Burlingame, Los Altos, and Campbell, they manage design, permitting, and construction. Free consultations available.
read more
Other cities in California
What you need to know
ADU Contractors in Redwood City: Building in the Heart of Silicon Valley
Redwood City, located in San Mateo County along the San Francisco Peninsula, is one of the most desirable cities in the Bay Area. With its motto "Climate Best by Government Test" and its booming tech-driven economy, housing demand in Redwood City is exceptionally high. This makes Accessory Dwelling Units (ADUs) an increasingly popular solution for homeowners looking to maximize their property value, generate rental income, or house extended family members. Working with experienced ADU contractors in Redwood City is essential to navigating the city's specific building codes, zoning laws, and permit requirements.
Understanding Redwood City's ADU Regulations
Redwood City follows California's state ADU laws while also enforcing its own local guidelines. Homeowners and contractors must be well-versed in these rules before breaking ground. Key regulations include:
- Maximum ADU size: Detached ADUs can be up to 1,200 square feet, while attached ADUs are generally limited to 50% of the primary dwelling's square footage.
- Setback requirements: A minimum 4-foot setback from rear and side property lines is required for most detached ADUs.
- Height limits: Detached ADUs are typically limited to 16 feet in height, though this can vary based on proximity to public transit.
- Owner-occupancy: As of 2020, California state law removed owner-occupancy requirements, giving Redwood City homeowners more flexibility.
- Parking: ADUs located within half a mile of public transit may be exempt from additional parking requirements.
The Permitting Process for ADUs in Redwood City
The permitting process in Redwood City is managed through the Community Development Department. Skilled ADU contractors in Redwood City will handle the submission of architectural plans, structural drawings, and energy compliance documentation (Title 24). The city has made efforts to streamline ADU approvals in alignment with California's push to address the housing crisis, but working with a knowledgeable local contractor significantly reduces delays and costly mistakes.
Why Hire a Local ADU Contractor in Redwood City?
Hiring a contractor with direct experience in Redwood City offers several advantages:
- Familiarity with local zoning maps and specific neighborhood overlays.
- Established relationships with city inspectors and planning officials.
- Knowledge of utility connection requirements through Pacific Gas & Electric (PG&E) and local water districts.
- Understanding of soil and foundation considerations common in the Peninsula region.
- Experience managing projects within Redwood City's competitive labor and materials market.
Maximize Your Investment with the Right ADU Contractor
With median home values in Redwood City consistently among the highest in the nation, adding an ADU can significantly boost your property's worth and rental potential. Whether you're considering a garage conversion, junior ADU (JADU), or a brand-new detached unit, partnering with a trusted and licensed ADU contractor in Redwood City ensures your project is completed on time, within budget, and fully compliant with all local and state regulations.