Detached ADU

Four Brothers Design + Build specializes in Accessory Dwelling Units (ADUs) across DC, Northern Virginia & Maryland. Services include basement apartments, garage conversions, in-law suites & detached ADUs.

Collins ADU Builders is a licensed Portland ADU contractor offering detached ADUs, garage conversions, JADUs, home additions & design services. Free consultations, transparent pricing, full permit coordination included.

House Improvement LLC builds fully insulated ADUs with electricity and climate control, ideal for home offices or studios. They also construct storage sheds, carports, gazebos, and pergolas for diverse residential outdoor needs.

Design Path Studio is a Southern California residential architecture firm specializing in modern, sustainable design. They focus on indoor-outdoor integration, clean lines, and natural light, with expertise in ADUs, garage conversions, and granny flats.

Krick Design + Build is a Colorado Front Range residential design-build firm specializing in ADUs. Founded by Licensed Architect Matthew Krick, they've completed 57+ ADUs including backyard cottages, garage conversions, and in-law suites.

Shelter Solutions, Portland's trusted ADU builder since 1997, has completed 250+ accessory dwelling units. Offering full design-build services—from permits to occupancy—they specialize in custom detached ADUs, backyard cottages, and in-law suites across the Portland Metro area.

Elite Construction builds ADUs in Santa Cruz County, offering detached units, garage conversions & addition ADUs. Projects range 250–1,200 sq ft, cost $115K–$450K, and take 6–9 months. Free estimates available.

Eco Scale Construction builds ADUs in Sunnyvale, Los Altos & Palo Alto, CA. Services include detached ADUs, garage conversions & JADUs. Costs range from $80K–$400K+. Fully compliant with California ADU regulations.

Sub Zero Construction, based in Moorhead, MN, offers residential remodeling services across Minnesota and North Dakota. With 30+ years of experience, they specialize in kitchens, bathrooms, flooring, tile, drywall, and custom carpentry. Licensed, insured, and free estimates available.

Nanostead is a custom small home and ADU builder in Greenville, SC, specializing in accessory dwelling units, backyard cottages, and energy-efficient residences built with craftsmanship and long-term value in mind.

Ruiz 805 Builders is a Paso Robles, CA construction company serving the Central Coast. They specialize in concrete work, retaining walls, stamped concrete, and full-scope ADU construction, collaborating with architects for quality results.