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Junior ADU (JADU) near Costa Mesa, CA
CCS Inc.
5535 Balboa Boulevard, Encino, CA 91316 48.1 milesCCS Inc. offers ADU construction, garage conversions, remodeling & permit services in Long Beach, CA. Costs range from $100K–$400K+, with timelines of 4–14 months. Free consultations available for eligible residential properties.
read moreJay Remodeling
15219 Sunset Boulevard, Los Angeles, CA 90272 42.4 milesJay Remodeling is a licensed ADU contractor in Los Angeles offering attached, detached, garage conversion, basement, and Junior ADUs. They handle design, permitting, and construction, helping homeowners add rental income or family space while boos... read more
Otto ADU
2926 Denby Avenue, Los Angeles, CA 90039 36.3 milesOtto ADU is a licensed Los Angeles ADU builder specializing in garage conversions, detached ADUs, JADUs & granny flats. Serving LA County with 100+ completed units, adding avg. $185K in home value.
read morePotato Construction
8326 East Valley Boulevard, Rosemead, CA 91770 30.3 milesPotato Construction Inc., based in Rosemead, CA, is a licensed ADU contractor with 15+ years of experience. They build detached ADUs, garage conversions, attached ADUs, and JADUs across the San Gabriel Valley and greater Los Angeles area.
read moreADU Construction OC
San Clemente, CA 92705 24 milesADU Construction OC specializes in accessory dwelling units in San Clemente, CA. Services include detached ADUs, garage conversions, above-garage ADUs & JADUs. Founded by Jed Stamen with 30+ years experience.
read moreXavier Design Group
11595 Autumn Sage Avenue, Temecula, CA 91752 31.7 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 moreEG Modern Construction
421 East Elmwood Avenue, Burbank, CA 91501 41.6 milesEG Modern Construction offers full-service ADU design and construction in Los Angeles, including detached ADUs, garage conversions, and JADUs. Licensed and insured, they manage consultation, permitting, and build completion.
read moreMartins Construction Corp
1666 Courtney Ave., Los Angeles, CA 90046 34.6 milesCalifornia's 2020 ADU laws allow two ADUs on single-family lots, reduced setbacks, larger units up to 800 sq ft, no owner-occupancy rules until 2025, faster approvals, and expanded parking exemptions statewide.
read moreCCS Inc
16906 Burbank Boulevard, Los Angeles, CA 91316 42.4 milesCCS Inc (CSLB #B1047699) is a licensed LA general contractor since 1984 specializing in ADU construction, garage conversions, and room additions. They manage design, permitting, and build, with ADUs generating up to $3,500/month rental income.
read moreBela Development
1023 Abbot Kinney Boulevard, Venice, CA 90291 39 milesBela 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
The ADU Pro
15338 Central Avenue, Chino, CA 91710 24.9 milesThe ADU Pro® is a licensed ADU contractor in Chino, CA, serving Fontana and Southern California. Specializing exclusively in ADU construction, they offer detached ADUs, garage conversions, and granny flats with a lifetime transferable warranty.read more
Avica Construction & Development Inc
357 West Route 66, Glendora, CA 91740 32 milesAvica Construction & Development Inc is a licensed LA-based ADU contractor building detached ADUs, garage conversions, attached ADUs & JADUs across Los Angeles, Orange County & San Bernardino County, managing design, permits & cons... read more
Willbii
2158 Huntington Drive, San Marino, CA 91108 33.9 milesWillbii is a California ADU contractor specializing in granny flats, garage conversions, and in-law suites. They guide homeowners from consultation to construction, handling permits and design. ADUs can generate up to $5,000/month in rental income... read more
Suncoast Construction Inc.
428 Sleeping Indian Road, Vista, CA 92057 46.8 milesSuncoast Construction Inc. is a licensed ADU contractor in Oceanside, CA, building detached ADUs, garage conversions, JADUs & attached units per Oceanside's 2022 ADU Ordinance. No short-term rentals permitted.
read moreOther cities in California
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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.