- › Detached ADU
- › Attached ADU
- › Garage Conversion
- › Basement Conversion
- › Junior ADU (JADU)
- › Prefab / Modular ADU
- › Tiny House
Junior ADU (JADU) near Simi Valley, CA
IA Builders
10736 Jefferson Blvd, Unit 703, Culver City, CA 90230 27.4 milesIA Builders is a Los Angeles construction company offering new home builds, remodeling, additions, and ADU construction. Services include garage conversions, detached ADUs, and in-law suites, delivered with quality craftsmanship and transparent pricing.
read moreCustom ADU Builder
Los Angeles, CA 90012 32.4 milesCustom ADU Builder specializes in detached ADUs, attached ADUs, garage conversions & JADUs. Projects complete in ~3 months. Pricing starts at $235/sqft. Turn-key builds include quartz countertops, tile showers & luxury vinyl flooring.
read moreBaumeister Construction
1379 West Park Western Drive, San Pedro, CA 90732 43.6 milesBaumeister Construction offers full-service ADU construction in Carson, CA, including garage conversions, JADUs & detached units. 20+ years experience, woman-led, covering design, permitting & sustainable builds.
read morePasadena Master ADU Builder
930 East Colorado Boulevard, Pasadena, CA 91106 37 milesPasadena Master ADU Builder is a top ADU contractor in San Gabriel Valley, offering detached ADUs, garage conversions, and JADUs. With 20+ years experience, 150+ projects, and 98% satisfaction, they deliver compliant, high-quality builds boosting property value by 20–30%.
read moreUADU
1702 S. Robertson Blvd. #177, Los Angeles, CA 90035 25.4 milesUADU is a California ADU contractor offering garage conversions, detached, attached, and two-story ADUs. They handle design, permits, and construction. Free feasibility checks available. Projects typically take 4–6 months.
read moreKatz Design & Builders inc
316 Culver Boulevard, Playa Del Rey, CA 90293 27.3 milesKatz 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.
read moreOtto ADU
2926 Denby Avenue, Los Angeles, CA 90039 28.9 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 moreDowney ADU Builders
8607 Imperial Highway, Downey, CA 90242 43.3 milesEcoSmart Builders
21300 Victory Boulevard, Calabasas, CA 91367 10.3 milesEcoSmart Builders is a licensed Southern California ADU contractor specializing in accessory dwelling units, home expansions, and fire rebuilds. Serving Los Angeles County, they manage design, permitting, and construction of detached, attached, garage conversion, and junior ADUs.
read moreSnow Construction
6647 Orion Avenue, Los Angeles, CA 91406 16.5 milesSnow 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.
read moreSennikoff Architects
5500 2nd Street, Long Beach, CA 90803 49.7 milesSennikoff Architects, based in California, specializes in ADU design, custom homes, and remodels in Long Beach and Southern California. Led by licensed architect Steven Sennikoff, the firm offers detached ADUs, garage conversions, and JADUs with full permit coordination.
read moreOhayon Construction
Los Angeles, CA 90012 32.4 milesOhayon 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.
read morePotato Construction
8326 East Valley Boulevard, Rosemead, CA 91770 40 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 moreA1 ADU Contractor
13701 Riverside Drive #200, Sherman Oaks, CA 91423 20.5 milesA1 ADU Contractor specializes in garage conversions and custom ADU construction throughout Los Angeles and the San Fernando Valley. With over 15 years of experience, our team provides complete design, permitting, and construction services to transform underutilized spaces into beautiful, functional living areas. Whether you're creating a rental unit, guest house, home office, or multi-family dwelling, we deliver high-quality craftsmanship and personalized solutions tailored to your needs.
read moreOther cities in California
- North Highlands
- Sacramento
- North Hollywood
- Agoura Hills
- Encino
- Los Angeles
- Tarzana
- Long Beach
- Hollywood
- Glendale
- Valley Village
- Pasadena
- Burbank
- Downey
- Beverly Hills
What you need to know
Searching for top Junior ADU (JADU) ADU Contractors in Simi Valley, 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 Simi Valley 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.
Simi Valley 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 Simi Valley, California, and get started today.