Junior ADU (JADU) near Costa Mesa, CA
Snow Construction
6647 Orion Avenue, Los Angeles, CA 91406
48.8 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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The Los Angeles ADU Builders
240 South Beverly Drive, Beverly Hills, CA 90212
39.4 miles
Los Angeles ADU Builders is a licensed ADU contractor in Beverly Hills offering custom ADU design, garage conversions, detached ADUs, JADUs & in-law suites. CSLB certified, fully insured, with expert permit handling & transparent pricing.
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Romano Builders
14407 Gilmore Street, Van Nuys, CA 91401
47.2 miles
Romano Builders specializes in ADU construction in Los Angeles, offering detached, attached, garage conversion, and junior ADUs. Costs range $300–$600/sq ft, with rental income potential of $1,500–$4,000+/month.
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ADU Builder LA
126 West Elm Court, Burbank, CA 91502
42.1 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, garage conversions, and JADUs.
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Bourke Construction
30802 South Coast Hwy, Laguna Beach, CA 92651
13.7 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 value.
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EAM Development & Construction
15300 Ventura Boulevard, Sherman Oaks, CA 91403
46.2 miles
EAM Development & Construction is a California-based licensed contractor specializing in ADU and JADU garage conversions. Services include design, permitting, structural work, energy-efficient systems, and full construction compliant with California building codes.
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ADU Design Homes
2610 Pacific Avenue, Manhattan Beach, CA 90266
32.3 miles
ADU Design Homes is a full-service ADU design and build firm in Los Angeles and Orange County. They handle detached ADUs, JADUs, garage conversions, permitting, engineering, and construction under one roof.
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All Inclusive ADU
4041 Macarthur Boulevard, Newport Beach, CA 92660
2.9 miles
All Inclusive ADU is a licensed ADU contractor serving Orange, Riverside, Los Angeles & San Diego Counties. They offer full-service ADU construction including detached ADUs, garage conversions & JADUs with fixed pricing and a 365-day warranty.
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Step Up Builders Inc
16250 Ventura Boulevard, Encino, CA 91436
47.5 miles
Step Up Builders Inc is a Class A licensed ADU contractor in Encino, CA, serving Los Angeles, San Fernando Valley & Inland Empire. 30+ years experience in detached ADUs, garage conversions, JADUs & remodels. Free estimates available.
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Ohayon Construction
Los Angeles, CA 90012
32.7 miles
Ohayon Construction is a licensed Los Angeles ADU contractor since 2008. They build detached ADUs, garage conversions, attached ADUs & JADUs. Serving Beverly Hills, Santa Monica & more. Free consultation available.
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Albera Construction
4001 Inglewood Ave. #101-219, Redondo Beach, CA 90278
30.1 miles
Albera Construction builds custom ADUs in Los Angeles County, including detached units, garage conversions, and JADUs. Licensed contractor #1079656, serving South Bay, Beach Cities, and Greater LA. Full project management from design to permits.
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Katz Design & Builders inc
316 Culver Boulevard, Playa Del Rey, CA 90293
36.7 miles
Katz Design & Builders Inc offers full-service ADU construction across Los Angeles and Orange County. Services include detached ADUs, garage conversions, attached ADUs, and JADUs, all built to California Title 24 and local zoning standards.
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Sea Pointe Design & Remodel
576 Wald, Irvine, CA 92618
10.6 miles
Considering an ADU in California? Sea Pointe Design & Remodel helps homeowners plan and build accessory dwelling units, including garage conversions, granny flats, and backyard cottages, handling permits, design, and construction.
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Bela Development
1023 Abbot Kinney Boulevard, Venice, CA 90291
39 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 property value by 20–30%.
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Oceanside ADU Design
3355 Mission Avenue, Aaronsburg, PA 92058
45.3 miles
Oceanside ADU Design is an Oceanside, CA firm specializing in detached, attached, garage conversion, and junior ADUs. Founded by structural engineer Devin, they handle architecture, engineering, and permitting in-house for efficient, budget-conscious results.
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What you need to know
Searching for top Junior ADU (JADU) ADU Contractors in Costa Mesa, California? Our directory highlights trusted local professionals who specialize in designing and building accessory dwelling units (ADUs).
Working with a qualified Junior ADU (JADU) ADU Contractor in Costa Mesa 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 Junior ADU (JADU) professionals can guide you through every step.
Costa Mesa homeowners are increasingly investing in ADUs to create additional living space, generate rental income, or support multigenerational living. The Junior ADU (JADU) experts featured here bring local expertise and proven experience to help make your project a success.
Browse our listings to find the best Junior ADU (JADU) ADU Contractors in Costa Mesa, California, and get started today.