Attached ADU near Diamond Bar, CA
A.G.A. Construction Inc
18375 Ventura Boulevard, Tarzana, CA 91356
43.1 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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ADU's by Design
3600 Lime Street, Riverside, CA 92501
25.6 miles
ADU's by Design is an Inland Empire ADU contractor serving Riverside & San Bernardino County. They offer full-service accessory dwelling unit design & construction, including detached ADUs, garage conversions, remodeling & architectura... read more
Kitchenfer
7500 Mason Avenue, Winnetka, CA 91306
49.1 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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SouthStar USA
1611 Pomona Road, Corona, CA 92878
14.9 miles
SouthStar USA offers ADU construction in Riverside & Orange County, CA. Services include detached ADUs, attached ADUs, garage conversions & JADUs. Quality builds, permit-compliant, with transparent pricing for every project stage.
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YOR Construction
12135 Miranda Street, Valley Village, CA 91607
35.5 miles
An ADU (accessory dwelling unit) is a secondary home on a residential lot. Garage conversion ADUs are cost-effective options. YOR Construction, an LA-based ADU contractor, specializes in garage conversions tailored to homeowner needs.
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Calpacific Constracting
24024 Outrigger Drive, Canyon Lake, CA 92587
39.3 miles
Calpacific Contracting builds ADUs, casitas & garage conversions across Riverside, Orange, LA & San Bernardino Counties. 80+ years experience. Full-service: permits, design, construction & inspections handled end-to-end.
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Bourke Construction
30802 South Coast Hwy, Laguna Beach, CA 92651
33.4 miles
Bourke Construction builds custom ADUs in Orange County, including detached units, garage conversions, and JADUs. They manage design, permits, and construction, helping homeowners add rental income, multi-generational living space, or property val... read more
USA Builders Pro
2900 Bristol Street, Costa Mesa, CA 92626
22.7 miles
USA Builders Pro offers 20+ years of ADU construction and home addition services. Specializing in detached & attached ADUs, room additions, permits, and zoning compliance, they help homeowners boost property value and living space.
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Vision Home Remodeling
7717 Owensmouth Avenue, Canoga Park, CA 91304
47.1 miles
Vision Home Remodeling Inc. offers full-service ADU construction in Los Angeles, including detached units, attached dwellings, casitas, and rental-ready granny flats. Services cover design, permitting, and ground-up builds tailored to LA zoning la... read more
Papaya Construction
2020 Main Street, Irvine, CA 92614
21.9 miles
Papaya Construction Group is a licensed design-build ADU contractor in Orange County, CA. Founded in 2018, they offer detached ADUs, garage conversions, attached units & above-garage builds across Irvine, Anaheim & more.
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ADU Builder LA
126 West Elm Court, Burbank, CA 91502
30.9 miles
ADU Builder LA is a full-service ADU contractor in Los Angeles, managing every phase of accessory dwelling unit projects. They offer transparent pricing, expert guidance, and handle all permitting. Services include detached ADUs, attached ADUs, ga... read more
ADU Maxx
4401 Atlantic Avenue, Long Beach, CA 90807
24.4 miles
Newform Builders
10960 Wilshire Boulevard, Los Angeles, CA 90024
36.3 miles
Newform Builders specializes in ADU construction for multi-family and mixed-use properties. They handle permits, inspections, and code-compliant builds, including detached, attached, and space-conversion ADUs, ensuring safe, regulation-aligned res... read more
San Gabriel Valley ADU
1841 South San Gabriel Boulevard, Rosemead, CA 91776
16.8 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
ATARI Home Builders
19720 Ventura Boulevard, Woodland Hills, CA 91364
45.3 miles
Atari Home Builders is a licensed California general contractor serving Woodland Hills & Greater LA. Specializing in custom homes, ADUs, garage conversions, kitchen & bathroom remodeling, and fire rebuilds.
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What you need to know
Searching for top Attached ADU ADU Contractors in Diamond Bar, California? Our directory highlights trusted local professionals who specialize in designing and building accessory dwelling units (ADUs).
Working with a qualified Attached ADU ADU Contractor in Diamond Bar 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 Attached ADU professionals can guide you through every step.
Diamond Bar homeowners are increasingly investing in ADUs to create additional living space, generate rental income, or support multigenerational living. The Attached ADU experts featured here bring local expertise and proven experience to help make your project a success.
Browse our listings to find the best Attached ADU ADU Contractors in Diamond Bar, California, and get started today.