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Detached ADU near Diamond Bar, CA
Jean Prescott Studio
120 Newport Center Dr, Newport Beach, CA 92660 27 milesJean Prescott Studio offers ADU design, construction, and home remodeling services in San Clemente. Services include kitchen remodels, bathroom renovations, room additions, permit management, and custom ADU plans for rental income or flexible living.
read moreDoran Construction
1041 N Cypress St, La Habra, CA 90631 9.4 milesAt Doran Companies LLC, we specialize in creating accessory dwelling units (ADUs) that are not just spaces, but extensions of your home’s character. Whether you’re considering garage conversions, new construction, or in-law suites, our expertise ensures a seamless blend of functionality and aesthetics.
read moreTims New Construction
931 Broxton Avenue, Los Angeles, CA 90024 36.4 milesTims New Construction is a Los Angeles contractor specializing in ADU, Junior ADU, and garage conversions. Services include custom design, permitting, and full builds. They also support SB9 projects, helping homeowners add rental units or family housing.
read moreADU by Kn Remodeling
19709 Ventura Boulevard, Woodland Hills, CA 91364 45.3 milesKN Remodeling is a certified ADU contractor serving Los Angeles, Woodland Hills, Simi Valley & Thousand Oaks. Specializing in detached ADUs, attached ADUs & garage conversions, they handle design, permits & construction with 100+ ADU plans completed.
read moreHomeplex
421 West Broadway, Long Beach, CA 90802 27 milesPrefab vs. stick-built ADUs explained. Homeplex offers the Clever ADU, an HCD-certified modular unit built all-electric in a factory, saving 5–6 months vs. traditional construction. Costs vary based on site conditions.
read moreXavier Design Group
11595 Autumn Sage Avenue, Temecula, CA 91752 16 milesAn accessory dwelling unit (ADU) is a secondary home on a single-family lot with kitchen, bath, and sleeping space. Xavier Design Group helps Southern California homeowners build ADUs with trusted contractors and transparent pricing.
read moreJ. P Homes
780 North Euclid Street, Anaheim, CA 92801 13.2 milesJP Homes is a licensed ADU contractor in Southern California, serving Los Angeles, Orange County, Riverside & San Bernardino. They offer full-service ADU construction including detached units, garage conversions & more.
read moreBuilderwell
9641 Irvine Center Drive, Irvine, CA 92618 22.5 milesBuilderwell is an ADU contractor in Orange County, CA, offering full-service design-build solutions for custom accessory dwelling units, including guest houses, in-law suites, and rental units across Irvine, Newport Beach, and Laguna Hills.
read morePremium ADU
5161 Lankershim Boulevard, North Hollywood, CA 91601 33.9 milesPremium ADU is a Los Angeles ADU specialist offering design, permitting, and construction of detached ADUs, garage conversions, and JADUs. Operating since 2021 with an in-house team, projects typically complete in 6–12 months.
read moreR Remodeling
6745 Washington Avenue, Whittier, CA 90601 12.4 milesR Remodeling is a trusted ADU contractor in Whittier, specializing in accessory dwelling units for added living space or rental income. Experienced in detached ADUs, they manage projects from consultation to completion with minimal property disruption.
read moreMarkis Construction
14126 Sherman Way, Van Nuys, CA 91405 39 milesLos Angeles ADU Contractors
3744 Flower Street, Los Angeles, CA 90007 27 milesTrusted ADU builder in Los Angeles County specializing in granny flats, in-law suites & garage conversions. Boost property value, earn rental income & add living space with expert, code-compliant ADU construction.
read moreADUXprt IE General Builders
4534 Carter Court, Chino, CA 91710 7.8 milesOur Expert Team offers dependable expert services on short notice because of our extensive network of employees and sub-contractors located throughout California. Our teams of respectable employees are always willing to help accommodate our customer’s needs, by going the extra mile, especially when it comes to meeting those critical deadlines.
read moreSan Gabriel Valley ADU
1841 South San Gabriel Boulevard, Rosemead, CA 91776 16.8 milesSan 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 moreOther cities in California
- Agoura Hills
- Alameda
- Albany
- Anaheim
- Antioch
- Anza
- Aptos
- Arcata
- Atascadero
- Bakersfield
- Banning
- Bellflower
- Berkeley
- Beverly Hills
- Bonita
What you need to know
Searching for top Detached 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 Detached 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 Detached 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 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 Diamond Bar, California, and get started today.