Attached ADU

Jordan & Jordan Construction builds custom home additions in Eugene & Springfield, OR since 1991. Services include bedrooms, garages, sunrooms, second stories & ADUs. Licensed, bonded & insured (CCB#176193).

DSA Architects designed an 850 sq. ft. second-floor ADU in Berkeley Hills for multi-generational living. Features 2 beds, 1 bath, open layout, Tilden Park views, roof deck, solar PV, heat pumps, and gray-water system.

Allison Ramsey Architects offers custom home design, plan modifications, 3D modeling, and site planning. They support residential projects including ADUs, granny flats, and casitas from concept to completion.

DeMarco Builders is a licensed general contractor since 1996, offering residential and commercial construction, custom homes, ADUs, remodels, and additions. Using critical path management, they deliver projects faster while maintaining quality.read more

Arizona Building Contractors, LLC is a locally owned contractor that builds custom ADUs, casitas, guesthouses, and garage conversions throughout the Tucson metro area. They help clients figure out what's possible and we see every project through f... read more

Avorino specializes in ADU construction, offering detached, attached, garage conversion, and above-garage units. Projects range from $250K–$400K, covering design, permitting, and build phases over 10–14 months.

Arise Constructions is a Denver, CO full-service residential contractor offering custom homes, ADUs, remodels, additions, and structural work. They use the JobTread portal for transparency and back all work with a minimum one-year warranty.

Murray Lampert, San Diego's trusted ADU builder since 1975, offers full design-build services including granny flats, in-law suites, and garage conversions. With 50+ years of experience, they deliver custom, high-quality accessory dwelling units t... read more

Licensed ADU contractor and construction management firm for NYC homeowners. We handle eligibility, permitting, and the full build across Queens, Brooklyn, Staten Island, and the Bronx.

View ADU Builders is a trusted Los Angeles ADU contractor specializing in detached ADUs, garage conversions, attached ADUs & in-law suites. Costs range from $80K–$350K+. Free 3D design consultations available.

Ataman Studio is a trusted ADU contractor in Los Angeles, serving all of California. Full-service design, permitting, and construction for detached ADUs, garage conversions, and in-law units, with compliance to local zoning and state regulations.<... read more

Carson Custom Homes LLC is a San Antonio-based custom home builder and ADU contractor serving Texas Hill Country since 1999. They specialize in custom homes, remodeling, outdoor living, and accessory dwelling units including casitas and in-law sui... read more

Soul Builders SLC offers full-service ADU construction in Utah, handling design, permitting, zoning, and building. Services include detached ADUs, garage conversions, and basement apartments, tailored to each property's layout and budget.

Evergreen Builders is Northwest Arkansas's leading ADU builder with 25+ years of experience. They offer custom ADUs, in-law suites, backyard cottages, pool houses, and more in Bentonville, Fayetteville, Rogers & beyond.

Daniel's Development Group builds ADUs in Los Angeles, including attached, detached, garage conversions & JADUs. Permits cost ~$6,000. Rental income averages $2,500/month. Free consultations available.