Attached ADU near Simi Valley, CA

A1 Home Builder (CA License #885624) is a Lancaster-based ADU contractor and residential builder serving the Antelope Valley since 2006, specializing in garage conversions, detached ADUs, and new single-family home construction.

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

Perfect ADU & Remodeling Inc specializes in ADU construction, including detached ADUs and garage conversions. Services cover design, permitting, and build. ADUs boost property value, enable rental income, and support multi-generational living.... read more

Snow Construction is an LA-based ADU and granny flat builder offering planning, design, and construction services. They help homeowners add secondary units, navigate permits, and understand parking rules under California's 2017 ADU legislation.read more

Thousand Oaks ADU Builders offers expert ADU design, permitting, garage conversions, and detached or attached ADU construction. Serving Thousand Oaks, CA, they handle floor plans, city approvals, and code-compliant builds up to 1,000 sq ft.

Legacy Builders LA is a trusted ADU contractor in Los Angeles with 20+ years of experience. They offer ground-up ADUs, JADUs, garage conversions & additions, delivering custom, high-quality accessory dwelling units tailored to each homeowner.<... read more

California's 2020 ADU laws allow two ADUs on single-family lots, reduced setbacks, larger units up to 800 sq ft, no owner-occupancy rules until 2025, faster approvals, and expanded parking exemptions statewide.

Sterling-Watson Collective is a full-service ADU contractor in Los Angeles offering design, permitting, structural engineering & construction management for accessory dwelling units, helping homeowners add rental units, guest suites & more... read more

An Accessory Dwelling Unit (ADU) adds value, rental income, and flexibility to your property. LA Developing Inc. specializes in ADU construction in Los Angeles, offering garage conversions, detached builds, and attached additions with full project... read more

Reef Builders Inc is a Los Angeles ADU contractor founded in 2012, specializing in detached ADUs, garage conversions, JADUs & attached units. They manage permits, design, and full construction for homeowners seeking rental income or extra livi... read more

Central Coast ADU offers full ADU planning, design, and permitting services for homeowners on the Central Coast. From granny flats to garage conversions, they deliver construction-ready plans and approved permits.

ADU Conversion is a California-based ADU contractor specializing in detached ADUs, garage conversions, Junior ADUs, and attached units. They manage design, permitting, and construction, ensuring compliance with California ADU laws for homeowners s... read more

King Home Remodeling builds detached, attached, garage conversion, basement, and junior ADUs in Montebello. Services include design, permitting, construction, and inspections. Local zoning, size limits, and parking rules apply.

Ted Design Build is an LA-based ADU contractor offering full-service design, permitting, and construction. Specializing in detached ADUs, garage conversions, and in-law suites across Los Angeles and Glendale.