Detached ADU near Westminster, CA
Infinity ADU
645 West 15th Street, Long Beach, CA 90813
11.8 miles
Infinity ADU is a top ADU contractor in Long Beach, CA, specializing in attached, detached ADUs, granny flats & garage conversions. They handle design, permitting & construction, ensuring full local code compliance for a stress-free build.... read more
Royalty Builders
20812 Ventura Boulevard, Woodland Hills, CA 91364
45.6 miles
Royalty Builders is a full-service ADU builder in Los Angeles offering in-house design, engineering & construction. They provide competitive pricing, permit management & turnkey delivery for detached ADUs from 500–750 SF.
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Kol & Co
23431 Blue Bird Dr, Lake Forest, CA 92630
18.5 miles
Kol & Co. is an ADU contractor serving Orange County, West LA & North San Diego. With 15+ years in design-build, they handle detached ADUs, garage conversions, JADUs & more—managing permits, design, and construction under one roof.read more
DB Construction
4555 Valley Boulevard, Los Angeles, CA 90032
28.8 miles
DB Construction is a full-service ADU contractor in Greater Los Angeles, building detached ADUs, garage conversions, JADUs, in-law suites, and room additions. They manage permits in-house, offering transparent costs and turn-key project completion... read more
Delcoi
21650 Oxnard Street, Woodland Hills, CA 91367
45.6 miles
Delcoi is an ADU contractor specializing in granny flats, casitas, in-law suites, detached ADUs, garage conversions, and backyard cottages. They handle permits, regulatory compliance, and quality construction to maximize living space and rental in... read more
BuildShure
401 Corporate Pointe, Culver City, CA 90230
29.6 miles
BuildShure specializes in ADUs and tiny homes, offering models like Studio Pod, Casita, and 2-bed Residence built with SIP Panels. They guarantee fixed pricing and pay $500/day for delays, ensuring reliable, energy-efficient backyard cottages.
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Bela Development
1023 Abbot Kinney Boulevard, Venice, CA 90291
31.9 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 pr... read more
San Gabriel Valley ADU
1841 South San Gabriel Boulevard, Rosemead, CA 91776
23.5 miles
San Gabriel Valley ADU Construction Contractors build & convert ADUs, granny flats, garage conversions & in-law suites across Pasadena, Arcadia & nearby cities. Expert permitting, design & cost management for LA County homeowners.<... read more
Reef Builders Inc
6320 Topanga Cyn. Blvd, Woodland Hills, CA 91367
46.1 miles
Reef Builders Inc is a Los Angeles ADU contractor founded in 2012, specializing in detached ADUs, garage conversions, JADUs & attached units. They manage permits, design, and full construction for homeowners seeking rental income or extra livi... read more
Oasis Builders
11500 West Olympic Boulevard, Los Angeles, CA 90064
32.4 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
Kitchenfer
7500 Mason Avenue, Winnetka, CA 91306
48.4 miles
Kitchenfer is a residential remodeling contractor specializing in kitchen renovation and home improvement. They may also support ADU projects, garage conversions, and in-law suites. Contact them to confirm services and licensing.
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Blue Dog Construction
4199 Flat Rock Road, Riverside, CA 92505
30.6 miles
ADU Garage Experts
2999 Overland Ave. Suite 103, Los Angeles, CA 90064
31.1 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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LPI Construction
149 Poinsettia Avenue, Monrovia, CA 91016
27.7 miles
LPI Construction offers custom homes, ADU construction, and solar electric systems. Services cover hillside builds, detached/attached ADUs, garage conversions, and sustainable building practices, managing full project lifecycles from permits to co... read more
Harding Design & Construction
4040 East Vermont Street, Long Beach, CA 90814
7.9 miles
Other cities in California
What you need to know
Searching for top Detached ADU ADU Contractors in Westminster, 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 Westminster 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.
Westminster 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 Westminster, California, and get started today.