Garage Conversion near San Marcos, CA
ADU Geeks
2835 Camino del Rio South, San Diego, CA 92108
25.3 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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JL Building Group
9424 Chesapeake Drive, San Diego, CA 92123
20.7 miles
JL Building Group builds ADUs, granny flats, and garage conversions across San Diego County, including Carlsbad, Escondido & Chula Vista. They handle permits, design, and construction for rental units or family living spaces.
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La Tour Builders
23362-G Via Fabricante, Mission Viejo, CA 92691
43.9 miles
La Tour Builders offers expert ADU construction in Laguna Niguel, CA, including garage conversions, detached units & attached additions. Licensed, insured & code-compliant, they help homeowners add rental income or multigenerational living space.
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Suncoast Construction Inc.
428 Sleeping Indian Road, Vista, CA 92057
10.1 miles
Suncoast Construction Inc. is a licensed ADU contractor in Oceanside, CA, building detached ADUs, garage conversions, JADUs & attached units per Oceanside's 2022 ADU Ordinance. No short-term rentals permitted.
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Ritz ADU Design Build
7878 Clairemont Mesa Boulevard, San Diego, CA 92111
20.9 miles
RITZ ADU Design Build has served San Diego County since 1965, offering full-service ADU construction including granny flats, garage conversions, backyard offices & rental units. Expert planning, 3D design, permitting & builds that boost property value.
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Organic ADU
4432 Ingraham Street, San Diego, CA 92109
29.1 miles
California ADUs (granny flats) add rental income or family housing to existing lots. Detached units up to 1,200 sq ft are allowed. Building costs start at $1,200/sq ft. Hire a specialized ADU contractor in San Diego for permits and zoning compliance.
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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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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-conscious results.
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Pinnacle Construction
6132 Innovation Way, San Diego, CA 92009
4.9 miles
Pinnacle Construction Services Inc. offers expert metal stud framing and drywall for ADU projects in San Diego County, including detached ADUs, garage conversions, and attached additions, with 30+ years of subcontracting experience.
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Mastery Home Improvement
10233 Woodrose Avenue, Santee, CA 92071
22.1 miles
Mastery offers full-service ADU construction in San Diego, covering design, permitting, and building. Specializing in detached ADUs, garage conversions, and granny flats, they also provide kitchen remodeling, room additions, roofing, and more.
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Musick Construction Inc.
1818 Peacock Boulevard, Oceanside, CA 92056
7.9 miles
Musick Construction Inc. offers ADU construction services including new builds and conversions like garage and basement conversions. They handle permits, design, and finishes for granny flats, in-law suites, and rental units.
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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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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 California ADU laws.
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Kol & Co
23431 Blue Bird Dr, Lake Forest, CA 92630
45.8 miles
Kol & Co. is an ADU contractor serving Orange County, West LA & North San Diego. With 15+ years in design-build, they handle detached ADUs, garage conversions, JADUs & more—managing permits, design, and construction under one roof.
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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 architect fees.
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Other cities in California
What you need to know
Searching for top Garage Conversion 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 Garage Conversion 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 Garage Conversion 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 Garage Conversion experts featured here bring local expertise and proven experience to help make your project a success.
Browse our listings to find the best Garage Conversion ADU Contractors in San Marcos, California, and get started today.