Detached ADU near Montclair, CA
UNI Construction
1142 South Diamond Bar Boulevard, Diamond Bar, CA 91765
7.3 miles
UNI Construction builds detached and attached ADUs, handling site planning, structural engineering, and permit-ready drawings. Options include backyard cottages, granny flats, and in-law suites, all code-compliant and tailored to your property.read more
Vision ADU
1440 South State College Boulevard, Anaheim, CA 92806
21 miles
Vision ADU is a California ADU contractor specializing in detached ADUs, garage conversions, attached ADUs, and JADUs. They offer full-service design, permitting, and construction to help homeowners add value or rental income.
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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.... read more
JSN Construction
15920 Eccles St, North Hills, CA 91343
45.5 miles
JSN Construction specializes in ADU garage conversions in Los Angeles, offering cost-effective solutions for detached ADUs, granny flats, and in-law suites. They handle permitting, Title 24 compliance, and full project management.
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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 & ... read more
Gather ADU
19849 Nordhoff Street, Los Angeles, CA 91324
48.9 miles
Gather ADU is a Los Angeles-based ADU specialist with 10+ years of experience and 127+ completed projects. Services include feasibility analysis, permits, financing, and construction for detached ADUs, garage conversions, attached ADUs, and JADUs ... read more
Downey ADU Builders
8607 Imperial Highway, Downey, CA 90242
26.4 miles
Downey ADU Builders offers expert ADU contractor services including detached ADUs, garage conversions, attached ADUs, JADUs, and home additions. Licensed contractors handle permits, design, and construction with 10+ years of experience.
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Ghouse Technologies
20720 Ventura Blvd Suite 100, Los Angeles, CA 91364
41.3 miles
Ghousetechnologies is a California ADU contractor offering steel frame accessory dwelling units. Models range from 360–1,200 sq ft. Builds are fire, flood, earthquake, and hurricane-resistant, eco-friendly, and completed faster than traditional ... read more
Baum Construction & Development Inc
2900 Fidler Avenue, Long Beach, CA 90815
31.4 miles
ADUs (accessory dwelling units) are self-contained homes on existing properties, ideal for rentals or multi-generational living. Costs range $100K–$200K. Baum Construction & Development Inc builds ADUs in Long Beach, CA.
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Orange County Construction
1173 North Red Gum Street, Anaheim, CA 92806
17.9 miles
Huntington Beach Pro ADU Builder
7772 Warner Avenue, Huntington Beach, CA 92647
33.4 miles
Huntington Beach Pro ADU Builder specializes in ADU construction, garage conversions, and detached ADUs. With 20 years of experience and 500+ projects, they offer full design-build services, permit handling, energy-efficient features, and transpar... read more
EHD Builders
18375 Ventura Boulevard, Tarzana, CA 91356
48.7 miles
EHD Builders offers ADU construction services in Los Angeles, CA, including garage conversions, detached units & additions. Costs range from $150K–$350K+. Services cover permits, framing, plumbing, electrical & more.
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ADU Maxx
4401 Atlantic Avenue, Long Beach, CA 90807
32.8 miles
Buildwright Construction
5320 Satsuma Avenue, North Hollywood, CA 91601
38.9 miles
Buildwright Construction offers full-service ADU construction, including detached ADUs, granny flats, in-law suites, and JADUs. They handle planning, permits, and building, helping property owners add rental income, guest space, or multi-generatio... read more
ADU Garage Experts
2999 Overland Ave. Suite 103, Los Angeles, CA 90064
41.3 miles
ADU Garage Experts, a Southern California structural engineering firm, specializes in ADU planning and drafting. They offer garage conversions from ~$70/sqft, attached and detached ADUs, helping homeowners add rental income or living space.
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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.