Detached ADU near El Cajon, CA
Tate & Son, Inc.
8865 Calle Perico, San Diego, CA 92129
15.2 miles
Tate & Son, Inc. is a licensed ADU contractor in San Diego & Southern California. They offer garage conversions, in-law suites & detached ADUs. Pricing starts ~$70K. 5-year warranty. Free estimates available.
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ADU Geeks
2835 Camino del Rio South, San Diego, CA 92108
10.2 miles
ADU Geeks is a full-service ADU contractor offering planning, design, permitting, and build support. They also provide a $150 online ADU Development Masterclass covering feasibility, financing, and construction, ideal for California homeowners and investors.
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Just ADUs
979 Palm Valley Circle, Chula Vista, CA 91915
11.2 miles
Just ADUs is San Diego's top award-winning ADU contractor with 20+ years experience. They build custom ADUs, garage conversions & granny flats. Projects range $100K–$300K, taking 6–12 months, with full permitting support included.
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TR Construction
9335 Mira Mesa Boulevard, San Diego, CA 92126
13.5 miles
Home Remodeling Center
830 Los Vallecitos Boulevard, San Marcos, CA 92069
26.6 miles
Home Remodeling Center in San Marcos offers custom ADU construction, kitchen, bathroom, and whole house remodels. From design to completion, they prioritize clear communication, budget transparency, and free consultations for granny flats, in-law suites, and more.
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San Diego ADU Specialists
347 3rd Avenue, Chula Vista, CA 91910
13.5 miles
San Diego ADU Specialists, a division of Wizdom Construction Inc., builds custom ADUs, granny flats & garage conversions. Services include new construction, design, and renovations—boosting property value and rental income.
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Harmony Design & Build
1804 Garnet Avenue, San Diego, CA 92109
15.3 miles
Harmony Design & Build specializes in ADU construction in San Diego, CA. Services include detached ADUs, garage conversions, attached units & custom designs. Ideal for rental income, in-law suites & added property value.
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Oceanside ADU Design
3355 Mission Avenue, Aaronsburg, PA 92058
36.2 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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S Squared Construction & Pool Contractor
3343 Bancroft Drive, Spring Valley, CA 91977
4.3 miles
S Squared Construction & Pool Contractor is a licensed Solana Beach, San Diego contractor with 13+ years of experience in ADU construction, garage conversions, and custom pool installation. They handle design, permitting, and building for detached ADUs, in-law suites, and backyard cottages.
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Green Room Design-Build
136 North Acacia Avenue, Solana Beach, CA 92075
22.4 miles
Solana Beach is a beautiful coastal community in the City of San Diego, where property values and flexible living are priced at a premium. An accessory dwelling unit (ADU) provides you with the opportunity to take advantage of this by increasing your home’s square footage, generating rental income, and increasing the value of your property.
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Falcon Builders Group
8825 Aero Drive, San Diego, CA 92123
10.3 miles
Falcon Builders Group is a San Diego ADU contractor specializing in detached ADUs, garage conversions, JADUs, in-law suites, and casitas. They guide homeowners through design, permitting, and construction to add functional, value-boosting living space.
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Integrity Home Improvements
7343 Ronson Road, San Diego, CA 92111
11.7 miles
Integrity Home Improvements is a San Diego remodeling company founded in 2003 by Ryan Parkinson. Specializing in kitchen & bathroom remodels, home additions, and outdoor living, they serve communities across the greater San Diego area.
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Modern Granny Flat San Diego
5727 Adelaide Avenue, San Diego, CA 92115
7.2 miles
ModernGrannyFlat is San Diego's ADU & granny flat specialist, offering eco-friendly, affordable accessory dwelling units. Services include garage conversions, detached ADUs, & JADUs, guiding homeowners through design, permits & construction under California ADU laws.
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Price Builders Inc
6351 Nancy Ridge Drive, San Diego, CA 92121
14.3 miles
DR Build ADU specialist
3635 Bonita Farms Court, Bonita, CA 91902
9.4 miles
Dr Build ADU Specialist's mission is to build affordable high-quality Accessory Dwelling Units (ADU’s/Granny Flats) that the average person can afford.
Always providing the best with our friendly, understanding, bilingual builders and sales personal.
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Other cities in California
What you need to know
Searching for top Detached ADU ADU Contractors in El Cajon, 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 El Cajon 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.
El Cajon 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 El Cajon, California, and get started today.