ADU Contractors near San Diego, CA
San Diego Granny Flat ADU Builders Construction
1200 Paseo Magda, Chula Vista, CA 91910
14.8 miles
Family-owned Home Kitchen Bath Remodeling of San Diego offers 20+ years of expert kitchen, bathroom, ADU, flooring, and interior remodeling services. Competitive pricing, 3D design, guaranteed completion dates, and financing options available.
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Caliber Construction & Remodeling
2645 Financial Court, San Diego, CA 92117
6.2 miles
As a female-owned business, we bring a fresh, inclusive approach to ADU design and construction, prioritizing comfort, functionality, and thoughtful details that make the space feel practical, welcoming, and easy to live in every day.
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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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More Concrete Inc.
San Diego, CA 92101
6.8 miles
More Concrete Inc. is a licensed, bonded ADU contractor in San Diego specializing in concrete foundations for detached ADUs, in-law suites, and home offices, helping homeowners expand living space and increase property value.
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Jackson Design & Remodeling
4797 Mercury Street, San Diego, CA 92111
1.5 miles
Lumina Builders Inc.
4901 Morena Boulevard, San Diego, CA 92117
6.2 miles
Lumina Builders Inc. follows a 5-step remodeling process: consultation, permits, design, construction, and quality check. Serving San Diego, they handle ADUs, garage conversions, and full home remodels with dedicated project management.
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Mee Builders
8400 Miramar Road, San Diego, CA 92126
4.3 miles
Mee Builders is a San Diego ADU contractor offering detached, attached, garage conversion, above-garage, and JADU construction. They ensure California Energy Code compliance, local permitting, and maximize density under San Diego zoning regulation... read more
TrueBuild ADU
4901 70th Street, San Diego, CA 92115
6.2 miles
TrueBuild ADU is an owner-operated ADU builder serving San Diego County, offering detached ADUs, garage conversions, and JADUs. Known for transparent pricing and hands-on service, they deliver quality construction without corporate markups.
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Nj Design & Build
3675 Ruffin Road, San Diego, CA 92123
1.4 miles
Bastion Structures
3111 Camino Del Rio North, San Diego, CA 92108
4 miles
Bastion Structures offers modular concrete masonry homes, ADUs, and tiny houses that are fire-, mold-, and termite-resistant. Models range from 305 SF studios to 3,955 SF homes, ideal for California properties seeking durable, weatherproof living ... read more
Gary Faith Construction
7313 Carroll Canyon Road, San Diego, CA 92121
4.5 miles
Gary Faith Construction is a licensed ADU contractor in San Diego specializing in detached ADUs, garage conversions, and above-garage units. Serving San Diego County, they manage projects from consultation to completion, ensuring full compliance w... read more
Diamond ADU Builders San Diego
7901 civita blvd, Unit 538, San Diego, CA 92108
4.1 miles
H&M Building Services LLC
7413 El Cajon Boulevard, La Mesa, CA 91942
7.1 miles
H&M Building Services LLC builds ADUs in San Diego using a 3-phase process: site feasibility, design/engineering, and full construction. Projects average 6–10 months, with Buildertrend portal updates and turnkey delivery upon final occupancy... read more
ADU Home Pros
9007 Olive Drive, Spring Valley, CA 91977
9.2 miles
Pro Services General Contractors of San Diego is a family-run remodeling company with 20+ years of experience. Services include kitchen & bathroom remodeling, ADUs, flooring, tile, painting & new construction. Competitive pricing, 3D desig... read more
Carlsbad Custom ADU Builders
2382 Faraday Avenue, Carlsbad, CA 92008
22.9 miles
Carlsbad Custom ADU Builders specializes in custom ADU construction, detached units, granny flats, in-law suites & backyard offices. Offering transparent pricing, flexible financing & full-service solutions to maximize property value in Carlsbad.
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Other cities in California
What you need to know
ADU Contractors in San Diego: Navigating California's Most ADU-Friendly City
San Diego has become one of the most active markets for Accessory Dwelling Units (ADUs) in the entire state of California. Thanks to its high property values, year-round desirable climate, and a persistent housing shortage, homeowners across neighborhoods like North Park, Ocean Beach, and Chula Vista are turning to ADU contractors in San Diego to maximize their property's potential. The city has embraced state-level ADU reform laws, making it easier than ever to build a secondary unit on your property.
San Diego ADU Regulations You Need to Know
Working with an experienced San Diego ADU contractor is essential because local regulations can be complex. San Diego follows California state law, which allows ADUs on most single-family and multi-family residential lots. Key rules include:
- ADUs can be up to 1,200 square feet for detached units
- Junior ADUs (JADUs) are limited to 500 square feet and must be within the existing home's footprint
- Setback requirements are generally 4 feet from rear and side property lines for detached ADUs
- Owner-occupancy requirements were suspended under recent California law, giving landlords more flexibility
- ADUs under 750 square feet are exempt from impact fees in San Diego
The Permitting Process for ADUs in San Diego
San Diego has streamlined its ADU permitting process through the Development Services Department (DSD). The city offers pre-approved ADU plans, which can significantly reduce approval timelines. A qualified ADU builder in San Diego will handle the permit application, architectural drawings, structural engineering, and coordination with city inspectors. Typical permit approval times in San Diego range from a few weeks for pre-approved plans to several months for custom designs.
What to Expect When Hiring ADU Contractors in San Diego
Choosing the right contractor is critical to a successful ADU project. Reputable ADU contractors in San Diego will offer end-to-end services, including design, permitting, construction, and final inspection. When evaluating contractors, look for:
- A valid California Contractor's License (CSLB)
- Experience with San Diego's specific zoning and building codes
- A portfolio of completed ADU projects in the San Diego area
- Transparent pricing and detailed project timelines
- Strong local references and verified online reviews
ADU Costs and ROI in San Diego
The cost to build an ADU in San Diego typically ranges from $150,000 to $350,000 or more, depending on size, type, and finishes. However, given San Diego's strong rental market — with average rents among the highest in California — homeowners can often see a strong return on investment. A well-built ADU can generate $1,500 to $3,000+ per month in rental income, making it a smart long-term investment in one of America's most competitive real estate markets.