ADU Contractors near El Cajon, CA
Kaminskiy Home Remodeling
12396 World Trade Drive, San Diego, CA 92128
14.3 miles
Kaminskiy Home Remodeling builds ADUs in San Diego, including granny flats, garage conversions, JADUs & basement units. Boost property value, earn rental income, or house family. Serving Poway, La Jolla, Encinitas & more.
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EHM Construction
3966 Falcon Street, San Diego, CA 92103
12.9 miles
EHM Construction offers ADU design and building services in San Diego, CA. Projects include detached two-story ADUs with roof decks, garages, and scenic views in neighborhoods like Mission Hills and South Park.
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ADU Gurus
450 South Melrose Drive, Vista, CA 92081
31.7 miles
ADU Gurus™ is a California ADU builder since 2020, offering full-service design, permitting, and construction for granny flats, garage conversions, JADUs, and detached ADUs up to 1,200 sq ft on single-family and multi-family lots.
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Fabrick Construction
2811 Dickens Street, San Diego, CA 92106
16.5 miles
Fabrick Construction is a San Diego ADU contractor offering full design-build services across San Diego County. Specializing in detached ADUs, garage conversions, granny flats, and JADUs, they handle permits, construction, and inspections with transparent budgeting.
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ADU San Diego
1223 Cleveland Avenue, San Diego, CA 92103
11.8 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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Crest Backyard Homes - ADU Builders San Diego CA
2982 Ora Avo Terrace, Vista, CA 92084
30.3 miles
Crest Backyard Homes is San Diego's trusted ADU builder, specializing in prefab, detached ADUs, granny flats & garage conversions. Their all-inclusive team guides homeowners from design to completion, ensuring code-compliant, high-quality accessory dwelling units.
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URBN BLDRS
4231 Balboa Ave, San Diego, CA 92117
14.7 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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H&M Building Services LLC
7413 El Cajon Boulevard, La Mesa, CA 91942
4.4 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 certificate.
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Modulart
11300 Sorrento Valley Road, San Diego, CA 92121
17.2 miles
ADU Company San Diego County specializes in off-site ADU construction, offering efficient, affordable accessory dwelling units. From granny flats to detached ADUs, their expert team guides clients from concept to Certificate of Occupancy.
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ADUPALS
1420 Kettner Boulevard, San Diego, CA 92101
13.4 miles
ADU PALS is a San Diego ADU builder offering full-service accessory dwelling unit construction. From site evaluation to completion, they handle design, permits & builds. Costs range $150K–$300K; timelines 8–12 months.
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A2M Contractors
1877 Petaluma Drive, San Diego, CA 91913
11.4 miles
A2M Contractors builds custom ADUs—backyard cottages, in-law suites, garage conversions, and more. Increase property value, earn rental income, and gain flexible living space with full design and permitting support.
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KSH Construction
3755 Avocado Boulevard, La Mesa, CA 91941
3.7 miles
KSH Construction begins each project with a Discovery Call to discuss pricing, timelines, and fit, followed by an in-home consultation where the team measures the space and identifies structural, plumbing, or electrical constraints.
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Homes by Hedges
PO Box 2586, Valley Center, CA 92082
29 miles
Homes by Hedges is an experienced ADU contractor in North San Diego County, building granny flats, casitas & garage conversions. Serving Valley Center, Escondido & more for 25+ years, managing permits & local zoning regulations.
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Price Builders
6351 Nancy Ridge Drive, San Diego, CA 92121
14.3 miles
Price Builders is an Imperial Beach design-build contractor specializing in home additions, ADUs, and remodeling. Services include second-story additions, in-law suites, kitchen and bathroom remodels, and aging-in-place renovations.
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EG CONSTRUCTION | ADU Builder San Diego
2434 Fenton Street, Chula Vista, CA 91914
9 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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Other cities in California
What you need to know
ADU Contractors in El Cajon: Building in San Diego's Inland Valley Hub
El Cajon, nestled in the heart of San Diego's East County, is a vibrant city known for its diverse population, warm climate, and growing housing demand. As one of the most densely populated inland cities in San Diego County, El Cajon has seen a significant surge in interest for Accessory Dwelling Units (ADUs). With housing costs continuing to rise throughout Southern California, homeowners in El Cajon are increasingly turning to experienced ADU contractors to maximize their property's potential and create additional living space or rental income.
Understanding El Cajon's ADU Regulations and Zoning Requirements
ADU contractors working in El Cajon must navigate both California state ADU laws and the City of El Cajon's local municipal codes. California's ADU legislation, particularly AB 68 and SB 9, has streamlined the approval process statewide, but El Cajon has its own specific requirements that homeowners and contractors must follow. Key regulations include:
- ADUs in El Cajon must comply with San Diego County's regional building standards as well as city-specific zoning ordinances
- Maximum ADU size is generally up to 1,200 square feet for detached units, depending on lot size and zoning designation
- Setback requirements typically mandate a minimum of 4 feet from rear and side property lines for detached ADUs
- Junior ADUs (JADUs) up to 500 square feet may be created within existing single-family homes
- Owner-occupancy requirements have been relaxed under recent California law, making ADUs more accessible for investment properties
Why Hire a Local ADU Contractor in El Cajon?
Hiring a licensed ADU contractor familiar with El Cajon is essential for a smooth construction process. Local contractors understand the city's permit submission procedures through the El Cajon Building Division, typical soil conditions in the area, and how to work efficiently with local utility providers. El Cajon's terrain, which includes hillside lots and varied topography, can present unique foundation and grading challenges that experienced local contractors are well-equipped to handle.
Types of ADUs Commonly Built in El Cajon
El Cajon's mix of older single-family homes and larger suburban lots makes it ideal for several ADU configurations. The most popular options include:
- Detached ADUs – Standalone backyard cottages or casitas built separately from the main home
- Garage Conversions – Transforming existing attached or detached garages into livable units
- Junior ADUs (JADUs) – Interior conversions within the existing home footprint
- Attached ADUs – Additions built directly onto the primary residence
Start Your El Cajon ADU Project Today
Working with a qualified ADU contractor in El Cajon, CA ensures your project meets all local and state requirements while delivering maximum value. Whether you're looking to house extended family, generate rental income, or increase your property's resale value, an ADU is one of the smartest investments you can make in today's competitive East County real estate market. Contact a licensed El Cajon ADU contractor today to schedule a consultation and begin your journey toward expanding your home's potential.