Detached ADU near Bonita, CA

TNT Design & Build specializes in ADUs, garage conversions & room additions in San Diego's North County. 15 years experience, in-house management, free architectural design, prices from $325/sqft with guaranteed budget & timeline.

GW Construction is a San Diego general contractor specializing in ADU construction, home renovations, custom homes, and commercial projects. Services include garage conversions, backyard cottages, home additions, and multi-unit builds.

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.

Millan Construction is a San Diego ADU contractor specializing in ADU construction, home remodeling, kitchen & bathroom renovations, structural repairs, and permit management. Known for honest pricing and quality craftsmanship, they offer free consultations.

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.

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.

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.

ModernSpace ADU Construction is a trusted ADU builder in Chula Vista offering detached ADUs, granny flats, garage conversions & in-law suites. Free consultations, upfront quotes, quality craftsmanship & full satisfaction guaranteed.

Classic Home Contractors offers full-service ADU construction in Oceanside, CA, including custom design, garage conversions, detached units & permit handling. Serving neighborhoods like Rancho Del Oro, San Luis Rey & more.

Expert ADU builder serving San Diego, including La Jolla, Chula Vista & Encinitas. Full-service accessory dwelling unit construction: planning, design & permitting. In-house team ensures quality granny flats & backyard cottages built to code.

Armstrong Builders Inc. is a licensed ADU contractor in Greater San Diego specializing in accessory dwelling units, granny flats, and casitas. They offer full design-build services, custom floor plans, early price locks, and in-house teams.

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.

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.