Attached ADU near Bonita, CA

Murray Lampert, San Diego's trusted ADU builder since 1975, offers full design-build services including granny flats, in-law suites, and garage conversions. With 50+ years of experience, they deliver custom, high-quality accessory dwelling units tailored to your needs.

Advance Construction Company is a San Diego-based ADU contractor and garage conversion specialist committed to excellence. Trusted by homeowners, they deliver seamless construction experiences with top-tier sub-contractors, ensuring quality results on every project.

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.

CSL Quality Construction is a trusted ADU contractor in San Diego County, offering full-service design, permits, construction, and renovations. ADUs can boost property value by 20–30% and generate rental income.

Lumina Builders Inc. follows a 5-step remodeling process: consultation, permits, design, construction, and quality check. Serving San Diego, they handle ADUs, garage conversions, and full home remodels with dedicated project management.

Dagan Design & Construction (DDC), founded in 2012 in Encinitas, CA, offers custom home design, luxury renovations, interior design, and general contracting across Southern California and nationwide.

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.

SD Build Co is an ADU builder in Imperial Beach, CA, offering full-scope construction services including detached ADUs, garage conversions & granny flats. They handle design, permits, zoning compliance & customization.

Integrity Home Improvements is a San Diego remodeling company founded in 2003 by Ryan Parkinson. Specializing in kitchen & bathroom remodels, home additions, and outdoor living, they serve communities across the greater San Diego area.

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 living space.

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.

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.

Kuhlman Scott Architects specializes in custom ADU design across San Diego County. Led by Todd Kuhlman, with 30+ years of experience, the firm creates detached ADUs, garage conversions, and JADUs tailored for quality, livability, and long-term property value.

SOHO Architecture & Construction offers full-service ADU design and build in San Diego, handling permitting, construction, and project management for detached, attached, garage conversion, and Junior ADUs with transparent communication and a warranty plan.