ADU Contractors near San Diego, CA
Youngren Construction
220 Ohearn Road, Fallbrook, CA 92028
37.7 miles
Youngren Construction builds attached & detached ADUs, including backyard cottages, granny flats & casitas. Ideal for in-law suites, rental income or extra living space. Expert ADU contractor managing projects from planning to completion.<... read more
Jackson Design & Remodeling
4797 Mercury Street, San Diego, CA 92111
1.5 miles
ADU San Diego
1223 Cleveland Avenue, San Diego, CA 92103
6 miles
ADU San Diego is a licensed contractor specializing in accessory dwelling unit design and construction across San Diego County. Services include garage conversions, detached ADUs, and JADUs, with costs ranging from $100,000–$400,000.
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URBN BLDRS
4231 Balboa Ave, San Diego, CA 92117
5.6 miles
URBN BLDRS is a specialized ADU contractor helping homeowners plan and build accessory dwelling units. They offer expert guidance, dedicated project teams, and streamlined processes from consultation to construction completion.
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DR Build ADU specialist
3635 Bonita Farms Court, Bonita, CA 91902
12.7 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 sale... read more
The Avalon Comany
3911 N Cordoba Ave Suite 6, Spring Valley, CA 91977
10.1 miles
Homeowners across the San Diego area looking to expand their living space or create a rental opportunity turn to the trusted San Diego Builders at The Avalon Company. With more than three decades of experience, they specialize in designing and con... read more
Elevated Remodeling
San Diego, CA 92101
6.8 miles
Elevated Remodeling is a San Diego ADU contractor since 2007, specializing in detached ADUs, garage conversions, casitas & granny flats. Services include JADUs, in-law suites & home additions, with full permitting support.
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In N Out Builders & Home Remodeling
12759 Poway Road, Poway, CA 92064
9.4 miles
In N Out Builders & Home Remodeling offers full-service ADU design and construction in San Diego County, handling detached ADUs, garage conversions, granny flats, and JADUs, managing permits, planning, and builds under one roof.
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Get Approved ADU
152 West Park Avenue, El Cajon, CA 92020
9 miles
GetApprovedADU is a consulting firm specializing in ADU and JADU approvals. They assist with detached ADUs, garage conversions, granny flats, and attached units, helping homeowners boost property value and expand affordable housing options.
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Custom Home Builders Malibu
42400 Winchester Road, Temecula, CA 92590
46.3 miles
Custom Home Builders Malibu specializes in ADU construction, backyard Casitas & granny flats. They offer turnkey design-build services, handling permits & compliance with California ADU laws for legal, independent living spaces.
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Snap ADU
1223 Cleveland Avenue, San Diego, CA 92103
6 miles
SnapADU is San Diego's largest detached ADU design-build company, completing 100+ builds with a 4.9+ rating. They offer in-house design, permitting, and construction with fixed pricing across San Diego County.
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EG CONSTRUCTION | ADU Builder San Diego
2434 Fenton Street, Chula Vista, CA 91914
14.2 miles
EG Construction is a trusted San Diego ADU builder offering full-service design, permits & construction. They provide a Price Guarantee & 60-Day Completion Guarantee. Serving all of San Diego County. License #864642.
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Elite Living Remodeling, Inc.
8650 Miramar Road, San Diego, CA 92126
4.4 miles
Elite Living Remodeling, Inc. is a licensed San Diego remodeling company (CA lic. #1012430) specializing in ADUs, garage conversions, kitchen & bathroom remodels, and room additions using a streamlined design-build approach.
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New Age Design and Build
4501 Mission Bay Drive, San Diego, CA 92109
5.8 miles
New Age Design and Build is a San Diego ADU contractor specializing in detached ADUs, garage conversions, backyard cottages, and casitas. They offer full design-to-build services, helping homeowners add rental income, in-law suites, or extra livin... read more
Nj Design & Build
3675 Ruffin Road, San Diego, CA 92123
1.4 miles
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.