ADU Contractors near Montclair, CA
La Tour Builders
23362-G Via Fabricante, Mission Viejo, CA 92691
31 miles
La Tour Builders offers expert ADU construction in Laguna Niguel, CA, including garage conversions, detached units & attached additions. Licensed, insured & code-compliant, they help homeowners add rental income or multigenerational living space.
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Revival Homes
1150 South Olive Street, Los Angeles, CA 90015
32.3 miles
Revival Homes is a California ADU project manager handling planning, financing, design, permitting, and construction. They build detached ADUs, garage conversions, JADUs, and more, with costs ranging from $100K to $300K.
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Velmor Construction
19559 Vanowen Street, Los Angeles, CA 91335
48.9 miles
Velmor Construction offers full-scope ADU construction in Reseda, covering custom design, permitting, and build. Services include detached ADUs, garage conversions, and in-law suites using quality materials and local code compliance.
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A.G.A. Construction Inc
18375 Ventura Boulevard, Tarzana, CA 91356
48.7 miles
A.G.A. Construction Inc is a Los Angeles ADU contractor specializing in accessory dwelling units & JADUs. Services include custom design, permits, plumbing, electrical & energy-efficient construction to maximize property value.
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Stephens Brothers Construction
31779 Fallbrook Circle, Murrieta, CA 92563
47.9 miles
Stephens Brothers Construction is Temecula & Murrieta's top ADU builder since 2011, offering detached ADUs, JADUs, garage conversions & casitas. Costs from $300–$350/sq ft. Licensed, hands-on, and serving all of Riverside County.
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LA ADU Solutions Inc.
Los Angeles, CA 90012
31.2 miles
Accessory Dwelling Units (ADUs) offer California property owners passive income, elderly care solutions, and property value growth. Since 2020 legislation, ADU permits are easier to obtain. Construction costs range $350–$450/sq ft, with rental income potential up to $4,000/month.
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OC Builders Group
600 West Santa Ana Boulevard, Santa Clara, CA 92701
24.6 miles
OC Builders Group specializes in ADU construction in California, offering detached ADUs, garage conversions, granny flats & in-law suites. They help homeowners navigate permits, zoning & state regulations to add rental income or housing value.
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MTZ Contractors
3515 Atlantic Avenue, Long Beach, CA 90807
33.4 miles
Looking for the best ADU construction? Choose Mtz Contractors Inc to completely transform your property, known for constructing excellent ADUs in Long Beach CA. We create and build Accessory Dwelling Units that meet your precise requirements for quality.
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Custom ADU Builder
Los Angeles, CA 90012
31.2 miles
Custom ADU Builder specializes in detached ADUs, attached ADUs, garage conversions & JADUs. Projects complete in ~3 months. Pricing starts at $235/sqft. Turn-key builds include quartz countertops, tile showers & luxury vinyl flooring.
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Bela Development
1023 Abbot Kinney Boulevard, Venice, CA 90291
44.6 miles
Bela Development is an LA-based design-build firm with 15+ years specializing in ADU construction, garage conversions, detached ADUs, and JADUs. They manage design, permitting, and build under one roof, delivering legal living spaces that boost property value by 20–30%.
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J. P Homes
780 North Euclid Street, Anaheim, CA 92801
21.2 miles
JP Homes is a licensed ADU contractor in Southern California, serving Los Angeles, Orange County, Riverside & San Bernardino. They offer full-service ADU construction including detached units, garage conversions & more.
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Ground Up Builders
14520 Erwin Street, Van Nuys, CA 91411
43.8 miles
Ground Up Builders helps Alhambra homeowners build fully permitted ADUs, including garage conversions, detached units, and backyard cottages. As a design-build ADU contractor, they manage design, permitting, and construction.
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Joel & Co. Construction
11693 San Vicente Boulevard, Los Angeles, CA 90049
33.8 miles
Joel & Co. Construction, serving Los Angeles since 1983, offers expert residential & commercial construction, including custom homes, kitchen & bathroom remodels, ADUs, room additions, and general contracting across Beverly Hills, Santa Monica & beyond.
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Jay Remodeling
15219 Sunset Boulevard, Los Angeles, CA 90272
44 miles
Jay Remodeling is a licensed ADU contractor in Los Angeles offering attached, detached, garage conversion, basement, and Junior ADUs. They handle design, permitting, and construction, helping homeowners add rental income or family space while boosting property value.
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A1 ADU Contractor
13701 Riverside Drive, Sherman Oaks, CA 91423
44.4 miles
A1 ADU Contractor is Sherman Oaks' trusted ADU builder serving LA County. Specializing in garage conversions, detached ADUs & in-law suites, they handle permits, design & construction. Projects cost $50K–$100K, taking 3–6 months.
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Other cities in California
What you need to know
Building ADUs in Montclair, CA: A City Shaped by the San Gabriel Valley
Montclair, California, is a compact yet vibrant city in San Bernardino County, nestled between the cities of Ontario and Claremont in the eastern San Gabriel Valley. With a population of around 40,000 residents and a relatively dense urban layout, Montclair has seen growing demand for Accessory Dwelling Units (ADUs). The city's proximity to major employment hubs, Metrolink transit stations, and the Montclair Place shopping center makes it an attractive location for homeowners looking to add rental income or multigenerational housing through ADU construction.
ADU Regulations and Zoning in Montclair, California
ADU contractors working in Montclair must comply with both California state ADU laws and the City of Montclair's local development standards. California's ADU legislation, particularly updates made through AB 68, AB 881, and SB 13, has streamlined the permitting process statewide, and Montclair follows these guidelines. Key regulations that experienced ADU contractors in Montclair need to navigate include:
- Setback requirements: A minimum 4-foot rear and side setback is typically required for new detached ADUs.
- 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.
- Height limits: Detached ADUs are generally limited to 16 feet in height, though specific lot conditions may allow for up to 18 feet near transit corridors.
- Owner-occupancy rules: As of 2020, California law removed the owner-occupancy requirement until 2025, giving Montclair homeowners more flexibility.
- Parking: ADUs located within half a mile of public transit, such as the Montclair Metrolink Station, are typically exempt from additional parking requirements.
Why Hire a Local ADU Contractor in Montclair?
Hiring a licensed ADU contractor familiar with Montclair's Building and Safety Division is essential for a smooth permitting and construction process. Local contractors understand the city's specific plan review timelines, utility connection requirements, and San Bernardino County building codes that apply to Montclair projects. They can also help homeowners take advantage of California's streamlined ADU permit approval process, which mandates approval within 60 days for complete applications.
Types of ADUs Commonly Built in Montclair
Given Montclair's typical single-family residential neighborhoods and lot sizes, the most common ADU types constructed by local contractors include:
- Detached backyard ADUs (garage conversions or new construction)
- Attached ADUs added to the side or rear of existing homes
- Junior ADUs (JADUs) created from existing interior space, up to 500 square feet
Start Your Montclair ADU Project Today
Whether you're looking to generate rental income, house extended family, or increase your property value, working with a qualified ADU contractor in Montclair, CA is the first step. Make sure your contractor is licensed by the California Contractors State License Board (CSLB) and has verifiable experience with ADU projects in San Bernardino County.