Attached ADU

Genio Renovations is a Phoenix-based casita builder offering full design-build services for attached and detached casitas across Arizona. They manage permits, construction, and finishes, adding value, privacy, and flexible living space to your property.

At Puget Sound ADU Builders, we create functional and cozy and ADUs (Accessory Dwelling Units) in Washington. Our company was founded by Tanya Mills and built on a passion for providing high-quality, affordable housing solutions that unite families. With rising costs in traditional housing and care, we offer practical alternatives that allow your loved ones to live independently in comfortable spaces—right in your backyard.

NAGY Design built a standout 2,200 sq ft detached ADU in Denver's Sloan's Lake, nominated for Best ADU 2022. Costs range $100K–$300K. Their full-service process covers planning, permits, and construction oversight.

San Gabriel Valley ADU Construction Contractors build & convert ADUs, granny flats, garage conversions & in-law suites across Pasadena, Arcadia & nearby cities. Expert permitting, design & cost management for LA County homeowners.

Superior Construction & Home Renovations builds permitted ADUs in Denver, including backyard cottages, garage conversions, and basement suites. Following Denver's 2024 expansion, ~70% of residential lots now qualify. Full-service from zoning to final inspection.

New Birth Builders believes that a room addition or Garage Conversion is a great way to increase your home’s value and this new space can be used in a variety of ways. For most homeowners adding a room is less cost efficient and stressful than having to sell their home and move to a bigger home.

If you’re considering an attached or converted ADU, or wanting to create a one-of-a-kind freestanding cottage, we can help. The expertise, craftsmanship and environmental awareness we bring to remodeling and custom homebuilding are a great fit for custom ADU development.

Oxland Builders is a design/build remodeling company in Portsmouth, NH, serving the Seacoast region since 2003. Services include kitchen & bathroom remodeling, home additions, ADUs, in-law suites, and whole-home renovations across Rockingham County and Southern Maine.

Evereve Builders is a Southern California construction company led by Daniel Jimenez, with 23 years of experience. Specializing in ADUs, garage conversions, granny flats, and high-end residential builds.

Boost property value with an accessory dwelling unit (ADU). Johnston Construction offers expert ADU building services, handling design, permits, and construction. Ideal for rental income, in-law suites, or extra living space. Free consultation available.

Seattle-based United Signature specializes in ADU & DADU construction. They offer custom design, permitting, and project management. Benefits include rental income, multi-generational living & versatile spaces. Financing available via Enhancify.

Custom ADU Builder specializes in detached ADUs, attached ADUs, garage conversions & JADUs. Projects complete in ~3 months. Pricing starts at $235/sqft. Turn-key builds include quartz countertops, tile showers & luxury vinyl flooring.

Gill Construction offers ADU building services in Harker Heights, Belton & Temple, TX. With 50+ years experience, they build detached ADUs, garage conversions & in-law suites, backed by a 5-year workmanship warranty.

Guiding Builders specializes in ADU construction, offering design, permitting, and building services. Projects include detached ADUs, garage conversions, in-law suites, granny flats, and casitas—custom-built to add value and living space.