ADU Contractors near Montclair, CA
Pros ADU Builders
27201 Puerta Real, Lake Forest, CA 92691
34.9 miles
Pros ADU Builders in El Cerrito specializes in ADU construction, including detached units, garage conversions, in-law suites, and granny flats. They handle permits, planning, and turnkey builds tailored to each property.
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ADU Resource Center
600 North Brand Boulevard, Glendale, CA 91203
32.4 miles
ADU Resource Center is a Glendale, CA-based ADU contractor with 600+ completed units. They offer full-service ADU building, including design, permitting, financing, and construction of detached, attached, and garage conversion ADUs across Southern California.
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New Era Home Services
Long Beach, CA 90815
31.5 miles
New Era Home Services LLC is a full-service ADU builder specializing in custom accessory dwelling units, including granny flats, rental units, and garage conversions, guiding homeowners through design, permitting, and construction.
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Sea Pointe Design & Remodel
576 Wald, Irvine, CA 92618
30.4 miles
Considering an ADU in California? Sea Pointe Design & Remodel helps homeowners plan and build accessory dwelling units, including garage conversions, granny flats, and backyard cottages, handling permits, design, and construction.
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THE ADU BUILDER INC
3639 Atlantic Avenue, Long Beach, CA 90807
33.4 miles
Los Angeles ADU contractor The ADU Builder offers 10+ years of experience in ADU construction, garage conversions, JADUs, custom homes & remodels. They guide clients through design, permits, financing & building with quality craftsmanship.
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Supreme Remodeling Inc.
5000 Van Nuys Boulevard, Van Nuys, CA 91403
43.4 miles
Supreme Remodeling Inc. is a licensed Los Angeles general contractor with 30+ years of experience. Services include kitchen & bathroom remodeling, ADU construction, garage conversions, room additions, and new home builds across LA, Ventura & Orange Counties.
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Oasis Builders
11500 West Olympic Boulevard, Los Angeles, CA 90064
42.8 miles
Oasis Builders is a trusted ADU contractor serving Greater Los Angeles, specializing in detached ADUs, attached ADUs, and garage conversions. Costs range from $100K–$300K, with timelines of 6–12 months. Full-service: permits, blueprints & turnkey construction.
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MGMW Remodeling
11041 Santa Monica Blvd #301, Los Angeles, CA 90025
34 miles
MGMW Remodeling INC is a Los Angeles ADU contractor specializing in accessory dwelling units. Services include detached ADU construction, garage conversions, architectural design, permitting, and full project management from planning to completion.
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Willbii
2158 Huntington Drive, San Marino, CA 91108
24 miles
Willbii is a California ADU contractor specializing in granny flats, garage conversions, and in-law suites. They guide homeowners from consultation to construction, handling permits and design. ADUs can generate up to $5,000/month in rental income.
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Cali ADU
3705 W Pico Blvd, Ste 1635, Los Angeles, CA 90012
36.5 miles
Cali ADU is a top Los Angeles ADU builder offering custom and pre-designed accessory dwelling units, garage conversions, and granny flats. Fixed pricing, fast permitting, and expert project management ensure stress-free builds from design to move-in.
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K&S Design Build
11115 Aqua Vista Street, Los Angeles, CA 9160
39.1 miles
K&S Design Build specializes in ADU construction and garage conversions, offering full design-build services from concept to completion. They handle permits, city regulations, and create granny flats, in-law suites, backyard cottages, and rental units.
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UADU
1702 S. Robertson Blvd. #177, Los Angeles, CA 90035
39.5 miles
UADU is a California ADU contractor offering garage conversions, detached, attached, and two-story ADUs. They handle design, permits, and construction. Free feasibility checks available. Projects typically take 4–6 months.
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Calcons
7838 Truxton Avenue, Los Angeles, CA 90045
40.4 miles
Calcons is a California-based ADU contractor specializing in detached ADUs, garage conversions, JADUs, granny flats, and backyard cottages. They manage permits, design, and construction for homeowners seeking to add livable space.
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Garage Conversion by Pearl Remodeling
6803 Yarmouth Avenue, Reseda, CA 91335
47.8 miles
Pearl Remodeling is a Los Angeles ADU contractor specializing in garage conversions, granny flats & in-law suites. With 10+ years experience, they handle design, permits & construction under California's SB-1069 ADU laws.
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California ADU Center INC
7542 Laurel Canyon Boulevard, Los Angeles, CA 91605
38.9 miles
California ADU Center INC specializes in ADU planning, design, and construction across California. Services include detached ADUs, garage conversions, JADUs, granny flats, and in-law suites. They manage permitting and navigate California's ADU regulations for homeowners.
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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.