Detached ADU in California

Homeowners across the San Diego area looking to expand their living space or create a rental opportunity turn to the trusted San Diego Builders at The Avalon Company. With more than three decades of experience, they specialize in designing and con... read more

Trusted ADU builder in Los Angeles County specializing in granny flats, in-law suites & garage conversions. Boost property value, earn rental income & add living space with expert, code-compliant ADU construction.

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.

Homestead ADU offers turnkey accessory dwelling units for California homeowners. Models range from 451 to 1,200 sq ft. Offsite modular construction cuts costs by 30% and delivers units in 6–7 months. Serving Shasta & San Luis Obispo County.<... read more

Diagram Architecture & Diagram Design Build completed a 871 sq ft detached ADU with 2 beds, 1.5 baths, open floor plan, stainless appliances, custom closets & natural light—maximizing compact living through integrated design-build expert... read more

Acton ADU is a Bay Area ADU contractor founded by Stan Acton with 30+ years of experience. They offer full-service ADU design, construction, garage conversions, and permitting across San Jose and the broader Bay Area.

DYM Builders is an ADU contractor in Los Angeles & Orange County, CA, offering design, permitting & construction services for detached ADUs, garage conversions, attached units & tiny homes since 2016.

Icon Construction & Design is a Fresno & Clovis, CA ADU builder with 20+ years of experience. They specialize in detached ADUs, garage conversions, and attached ADUs, offering modern design, code compliance, and full project management.read more

In N Out Builders & Home Remodeling offers full-service ADU design and construction in San Diego County, handling detached ADUs, garage conversions, granny flats, and JADUs, managing permits, planning, and builds under one roof.

ADUs are secondary units built on existing lots. ORR Construction builds detached ADUs, garage conversions, JADUs & in-law suites in California. Costs range $50–$300/sq ft. California laws like SB 897 simplify the permitting process.

Legacy Renovation Pros builds custom ADUs including detached units, garage conversions, JADUs & granny flats. Transparent pricing, eco-friendly options & full customization available for rental units, guest houses & in-law suites.

HEX General Contractors builds custom ADUs in Sacramento, covering design, permitting, and construction. Services include detached ADUs, garage conversions, and in-law suites, helping homeowners boost property value and rental income.

DB Construction is a full-service ADU contractor in Greater Los Angeles, building detached ADUs, garage conversions, JADUs, in-law suites, and room additions. They manage permits in-house, offering transparent costs and turn-key project completion... read more

Clever Design & Remodeling builds ADUs across the San Francisco Bay Area, including garage conversions, attached, detached, and junior ADUs. Services cover permits, construction, interior design, and landscaping. Average ADU cost is ~$145,000.... read more

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.