Attached ADU

ADUscale is an independent ADU advisory service offering feasibility assessments, contractor verification, escrow-based payment protection, and construction oversight. Fixed-fee, conflict-free guidance for homeowners planning detached ADUs, garage conversions, or backyard cottages.

Woollard Construction is a family run general contractor specializing in ADUs and bathroom remodels. Formed over 25 years ago in Temecula, California, we deliver professional building projects with care and precision in Temecula and Murrieta.

Lapp Structures builds ADUs (Accessory Dwelling Units), including detached garages with living quarters. A 3-car Gambrel garage ADU costs $50K–$60K. ADUs offer flexible living, rental income, and family housing solutions.

OC Master ADU Construction builds ADUs across Orange County, offering detached units, garage conversions, JADUs & attached additions. Services include design, permitting & full construction management for rental income or family housing.

Tailored Tiny Homes is a St. George, UT ADU builder offering custom attached and detached accessory dwelling units. They handle design, permitting, and construction, delivering move-in ready, stick-built ADUs tailored to each homeowner's needs and budget.

Price Builders is an Imperial Beach design-build contractor specializing in home additions, ADUs, and remodeling. Services include second-story additions, in-law suites, kitchen and bathroom remodels, and aging-in-place renovations.

Peak Construction and Design LLC builds custom ADUs in Springfield, OR, including detached cottages, attached units, in-law suites, and rental spaces. Expert ADU contractor offering full design-to-build services tailored to your property.

EcoSmart Builders is a licensed Southern California ADU contractor specializing in accessory dwelling units, home expansions, and fire rebuilds. Serving Los Angeles County, they manage design, permitting, and construction of detached, attached, garage conversion, and junior ADUs.

An ADU (accessory dwelling unit) is a secondary home on a residential lot. Garage conversion ADUs are cost-effective, blending with existing homes. YOR Construction & Investments specializes in Los Angeles ADU garage conversions.

Bellingham ADU Builders offers full-service ADU construction in Whatcom County, including detached and attached ADUs. Costs range from $200K–$550K+. Permits included. Free 48-hour feasibility study available. HB 1337 allows up to two ADUs per lot.

Silver State Tiny Homes is a premier ADU builder in Reno, Sparks & Washoe County. Offering detached ADUs, attached units, garage conversions & extensions, they handle all permitting with 50+ years of combined construction expertise.

BIOS Homes is a Connecticut ADU contractor specializing in detached, attached, basement, and garage conversion ADUs. Using modular construction, they handle design, permits, and builds under CT Public Act 21-29.

Square1 Construction Limited offers expert ADU build services, including detached ADUs, garage conversions, granny flats, and in-law suites. They handle permits, design, and construction to boost property value and create functional, energy-efficient living spaces.

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.