Detached ADU near Montclair, CA
WM Construction
10535 Foothill Boulevard, Rancho Cucamonga, CA 91730
8.6 miles
WM Construction is a licensed ADU contractor in Los Angeles offering full-service builds, from site assessment and design to permitting and post-construction support, helping homeowners add granny flats, garage conversions, and in-law suites compliantly.
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SKS Construction
6445 Sepulveda Boulevard, Van Nuys, CA 91411
44.7 miles
SKS Construction, founded in 1987 in Los Angeles, offers ADU construction, seismic retrofitting, balcony inspections (SB 326 & SB 721 compliance), and structural engineering. With 200+ projects and 80% repeat clients, they deliver expert design-build solutions.
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Snow Construction
6647 Orion Avenue, Los Angeles, CA 91406
45.1 miles
Snow Construction is an LA-based ADU and granny flat builder offering planning, design, and construction services. They help homeowners add secondary units, navigate permits, and understand parking rules under California's 2017 ADU legislation.
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IND Construction
16430 Ventura Boulevard, Encino, CA 91436
45.9 miles
At IND, we have a talented team of contractors, project leads, designers, and installers dedicated to creating your perfect home remodel or updating any interior or exterior project. We begin by scheduling a meeting with one of our exceptional IND project leads to assess your needs and develop several design and furnishing options.
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JL Biber Construction Inc.
15548 Saddleback Road, Riverside, CA 92506
22.2 miles
An ADU is a secondary residential unit on the same property as a primary home. JL Biber Construction Inc., a licensed ADU builder in Riverside, California, offers full-service garage conversions, granny flats, and detached ADU construction.
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USModular Inc.
579 West County Line Road, Calimesa, CA 92320
35.9 miles
USModular Inc. is a Temecula, CA ADU builder specializing in modular, prefabricated construction. Units are up to 90% factory-built, completed in ~120 days, and comply with IRC and local codes. Services include feasibility studies, design, engineering, permitting, and installation.
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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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San Gorgonio Builders
529 North 41 Street, Banning, CA 92220
45.5 miles
San Gorgonio Builders is a licensed General B contractor near Banning, CA, with 40+ years of experience. Specializing in ADU construction, garage conversions, custom homes, and remodeling across Riverside, San Bernardino, Orange, and Los Angeles Counties.
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Avica Construction & Development Inc
357 West Route 66, Glendora, CA 91740
10.3 miles
Avica Construction & Development Inc is a licensed LA-based ADU contractor building detached ADUs, garage conversions, attached ADUs & JADUs across Los Angeles, Orange County & San Bernardino County, managing design, permits & construction.
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ADU Builders
6464 Sunset Boulevard, Hollywood, CA 90028
36.3 miles
ADU Builders is a licensed Los Angeles ADU contractor with 15 years of experience. They build detached ADUs, garage conversions, attached ADUs, and JADUs, handling permits, design, and inspections for stress-free ADU construction.
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ORR Construction
1977 Obispo Avenue, Signal Hill, CA 90755
32.3 miles
ADUs are secondary units built on existing lots. ORR Construction builds detached ADUs, garage conversions, JADUs & in-law suites in California. Costs range $50–$300/sq ft. California laws like SB 897 simplify the permitting process.
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Landmark Building Inc
Los Angeles, CA 90027
34.1 miles
Landmark Building Inc is a Los Feliz-based general contractor serving Los Angeles neighborhoods including Hollywood Hills, Silverlake & Echo Park. They offer residential & light commercial remodeling, ADUs, garage conversions & free estimates.
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RIA Group Construction
26632 Towne Centre Dr # 300, Foothill Ranch, CA 92610
27.4 miles
RIA Group Construction (CA Lic. #1143899) is a full-service design-build contractor in Orange County, CA. Specializing in home renovations, new builds, ADUs, kitchen & bathroom remodeling, and pool construction.
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J&I Construction
10054 Alondra Boulevard, Bellflower, CA 90706
27.5 miles
J&I Construction is a trusted ADU contractor offering full-scope accessory dwelling unit services, including detached ADUs, garage conversions, granny flats, in-law suites, JADUs, and backyard cottages. Free consultations available.
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ADU Certified
4401 Atlantic Avenue, Long Beach, CA 90807
33.4 miles
ADU Certified is a Long Beach, CA contractor specializing in ADU planning, permitting & construction since 2000. Services include garage conversions, detached ADUs, kitchen & bathroom remodeling throughout Southern California.
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Other cities in California
What you need to know
Searching for top Detached ADU ADU Contractors in Montclair, California? Our directory highlights trusted local professionals who specialize in designing and building accessory dwelling units (ADUs).
Working with a qualified Detached ADU ADU Contractor in Montclair ensures your ADU project meets local building codes, zoning laws, and permit requirements. Whether you're planning a detached ADU, garage conversion, or backyard cottage, experienced Detached ADU professionals can guide you through every step.
Montclair homeowners are increasingly investing in ADUs to create additional living space, generate rental income, or support multigenerational living. The Detached ADU experts featured here bring local expertise and proven experience to help make your project a success.
Browse our listings to find the best Detached ADU ADU Contractors in Montclair, California, and get started today.