Junior ADU (JADU) near San Marcos, CA
Calpacific Constracting
24024 Outrigger Drive, Canyon Lake, CA 92587
38.4 miles
Calpacific Contracting builds ADUs, casitas & garage conversions across Riverside, Orange, LA & San Bernardino Counties. 80+ years experience. Full-service: permits, design, construction & inspections handled end-to-end.
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Ten Seventy Architecture
4411 30th Street, San Diego, CA 92116
26.2 miles
Ten Seventy Architecture offers ADU design services in San Diego, led by Sean Canning. Specializing in detached ADUs, garage conversions & JADUs, they handle design to permitting. Costs start at $250–$300/sqft, with a $20K minimum design fee... read more
Oceanside ADU Design
3355 Mission Avenue, Aaronsburg, PA 92058
11.2 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-consci... read more
Modern Granny Flat San Diego
5727 Adelaide Avenue, San Diego, CA 92115
26.7 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 Cal...
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IL Total Design
9655 Granite Ridge Drive, San Diego, CA 92123
23 miles
IL Total Design & Build is a San Diego ADU specialist offering full-service design, permitting, and construction for granny flats, garage conversions, detached ADUs, and JADUs. They also provide home additions and remodeling across San Diego C... read more
Enjoy Build
10089 Willow Creek Road, San Diego, CA 92131
16.6 miles
Enjoy Build, a licensed San Diego County general contractor (CSLB #1141989), offers design-build ADU construction including detached, attached, garage conversion, two-story, and JADU options. Services span site assessment, design, permitting, and ... read more
Shermans Builders Inc
4818 Mount Elbrus Drive, San Diego, CA 92117
21.7 miles
Shermans Builders Inc. is a licensed San Diego ADU contractor with 150+ projects completed. Services include detached ADUs, garage conversions, and JADUs, covering permits, design, and construction with upfront cost estimates.
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Elevated Remodeling
San Diego, CA 92101
27.6 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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HSP ADU Builders
5975 Redwood Street, San Diego, CA 92105
28 miles
HSP ADU Builders is a California ADU contractor specializing in detached ADUs, garage conversions, JADUs, and in-law suites. They guide homeowners through design, permitting, and construction of accessory dwelling units.
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Streamline Design Group
500 La Terraza Boulevard, Escondido, CA 92025
4.8 miles
Streamline Design Group offers ADU design and permitting in San Diego, covering detached, attached, JADU, garage conversions, and multi-family units. Referenced in the State ADU handbook, they deliver permit-ready plans at 40–60% less than archi... read more
ADU Gurus
450 South Melrose Drive, Vista, CA 92081
5.9 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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EG Construction
2434 Fenton Street, Chula Vista, CA 91914
34.1 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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Lusso Design & Build
5425 Oberlin Drive, San Diego, CA 92121
16.9 miles
Lusso Design & Build is a licensed San Diego ADU contractor specializing in ADUs and JADUs. They handle design, permits, and construction, ensuring compliance with California regulations while helping homeowners add rental income or flexible l... read more
Stephens Brothers Construction
31779 Fallbrook Circle, Murrieta, CA 92563
28.5 miles
Stephens Brothers Construction is Temecula & Murrieta's top ADU builder since 2011, offering detached ADUs, JADUs, garage conversions & casitas. Costs from $300–$350/sq ft. Licensed, hands-on, and serving all of Riverside County.
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First Choice Home Builders
10620 Treena Street, San Diego, CA 92131
15.9 miles
First Choice Home Builders is a licensed San Diego ADU contractor with 15+ years of experience. They offer full-service ADU construction, including detached ADUs, garage conversions, and JADUs, with permit handling and flexible financing options.<... read more
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What you need to know
Searching for top Junior ADU (JADU) ADU Contractors in San Marcos, 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 San Marcos 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.
San Marcos 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 San Marcos, California, and get started today.