Attached ADU near Oceanside, CA
Ruland Design Group
3245 University Avenue, San Diego, CA 92104
34.6 miles
Ruland Design Group offers expert ADU design services in San Diego, including garage conversions, detached ADUs, JADUs & more. With 600+ completed designs, they guide clients from concept to permit-ready plans.
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Nucave Construction Inc.
440 South Melrose Drive, Vista, CA 92081
4 miles
Experienced ADU contractor offering a structured process: site assessment, custom design options, transparent cost estimates, permit guidance, and financing support. Specializing in detached ADUs, garage conversions, and in-law suites.
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Home 360 Construction Inc.
San Diego, CA
36.1 miles
Home 360 Construction Inc. offers full-service ADU construction in San Diego, including detached, attached, and garage conversion units. They manage planning, permits, design, and inspections across San Diego County neighborhoods.
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DR Build ADU specialist
3635 Bonita Farms Court, Bonita, CA 91902
41.8 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 sales personal.
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ADU Home Pros
9007 Olive Drive, Spring Valley, CA 91977
37.7 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 design & guaranteed completion dates.
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JL Biber Construction Inc.
15548 Saddleback Road, Riverside, CA 92506
46.3 miles
An ADU is a secondary residential unit on the same property as a primary home. JL Biber Construction Inc., a licensed ADU builder in Riverside, California, offers full-service garage conversions, granny flats, and detached ADU construction.
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Stephens Brothers Construction
31779 Fallbrook Circle, Murrieta, CA 92563
24.1 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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Kol & Co
23431 Blue Bird Dr, Lake Forest, CA 92630
36 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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Modern Granny Flat San Diego
5727 Adelaide Avenue, San Diego, CA 92115
35 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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Calpacific Constracting
24024 Outrigger Drive, Canyon Lake, CA 92587
32.2 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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Coronado Construction
8250 Camino Santa Fe, San Diego, CA 92121
25.1 miles
Coronado Construction builds Accessory Dwelling Units (ADUs) in San Diego, CA. From garage conversions to detached units, their ADUs boost property value, generate rental income, and offer flexible living using quality, energy-efficient materials.
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Hubbell & Hubbell Architects, Inc.
1970 Sixth Avenue, San Diego, CA 92101
34.6 miles
Accessory Dwelling Units (ADUs) add value and flexibility to California properties. Learn about ADU regulations, design options like garage conversions, and how Hubbell & Hubbell Architects can help you build a compliant granny flat or guest house.
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Suncoast Construction Inc.
428 Sleeping Indian Road, Vista, CA 92057
3.7 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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King Mahdi Builders
7484 University Avenue, La Mesa, CA 91942
35.8 miles
King Mahdi Builders is an ADU contractor offering detached ADUs, garage conversions, in-law suites, JADUs, granny flats, and casitas. They also handle general home renovation and remodeling projects.
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3 Day Kitchen & Bath
10620 Treena Street, San Diego, CA 92131
24.4 miles
3 Day Kitchen & Bath is a trusted ADU contractor in San Diego offering full-service accessory dwelling unit construction. From garage conversions to detached ADUs, they manage every project phase with a structured, professional approach.
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What you need to know
Searching for top Attached ADU ADU Contractors in Oceanside, California? Our directory highlights trusted local professionals who specialize in designing and building accessory dwelling units (ADUs).
Working with a qualified Attached ADU ADU Contractor in Oceanside 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 Attached ADU professionals can guide you through every step.
Oceanside homeowners are increasingly investing in ADUs to create additional living space, generate rental income, or support multigenerational living. The Attached ADU experts featured here bring local expertise and proven experience to help make your project a success.
Browse our listings to find the best Attached ADU ADU Contractors in Oceanside, California, and get started today.