The 10 ADU builders from Google's results for Salt Lake City, Utah, ordered by Google rating weighted by review count. No firm pays to be listed or ranked.
Last updated
Licensing in Utah. Utah contractors need a license from the Division of Professional Licensing (DOPL).
on GoogleSalt Lake City, UT
Citizen Builders builds accessory dwelling units in Salt Lake City, Utah. Recent work includes a two-story ADU, an uncommon project type in the city given the small number of ADU permits approved there.
(801) 699-6026 6563 Cottonwood St, Salt Lake City, UT 84107
on GoogleProvo, UT
Platypus is a design-build ADU contractor for Salt Lake County and the Provo area. It handles detached backyard units, attached units, and basement and garage conversions, planning each around access, utilities, parking, drainage and structure on the existing lot.
(385) 314-4443 573 700 W, Provo, UT 84601
on GoogleProvo, UT
Build Small builds turnkey ADUs and small homes on homeowners' existing lots in Utah, working from a set of published models. Permitting is handled in-house, and the company serves the Provo area and surrounding communities.
(385) 685-8566 55 N University Ave, Provo, UT 84601
on GoogleSalt Lake City
From its base in Lehi, Cocoon Homes handles design, permitting and construction of backyard ADUs along the Wasatch Front, including the Salt Lake City area. Units are built on the property by the company's Utah crew, and permit submissions to each city are part of the job.
on GoogleBountiful, UT
ADU Utah builds accessory dwelling units in the Bountiful, Utah area.
(385) 352-3391 175 E 200 S, Bountiful, UT 84010
on GoogleSalt Lake City
ADU America builds accessory dwelling units in the Salt Lake City area.
on GoogleOgden, UT
Roper Buildings designs and builds detached accessory dwelling units with post-frame construction for properties around Ogden and elsewhere in Utah. Each unit is planned to fit its lot and can serve as a guest house, home office or rental space.
(801) 689-3630 1656 W 2550 S, Ogden, UT 84401
on GoogleMillcreek, UT
Nest Tiny Homes builds detached ADUs and tiny homes in Utah from its Millcreek base. One recent project in Farmington is a two-bedroom, two-bath detached unit with an open living, dining and kitchen layout, designed for rental use or multigenerational living.
(801) 903-2219 4190 Highland Dr, Millcreek, UT 84124
Salt Lake City
Johnston Construction is a Salt Lake City general contractor that designs and builds accessory dwelling units in Salt Lake City and Park City. Projects range from basement apartments to backyard cottages, used for guests, renters, aging parents or home offices.
Salt Lake City
Operating statewide with a presence in Salt Lake City, A to Z ADU Utah handles design, permitting and construction of modern accessory dwelling units. Its work includes detached ADUs, basement and garage conversions, and home additions.
In Salt Lake City, a garage conversion ADU typically costs $55,000 – $138,000. Remodeling labor in Salt Lake City runs about 8% below the US median, which accounts for most of the difference from the same project elsewhere.
These are the firms from Google's results for "adu builders salt lake city", with directories, chains and suppliers removed. They are ordered by Google rating weighted by review count, and the ratings shown are Google's. No firm pays to be listed or ranked. The list was last updated in October 2026.
It depends on your city and state. California, Oregon and Washington have state laws that make ADUs allowed on most single-family lots. Elsewhere it is set by local zoning, so check lot size, setback and owner-occupancy rules with your city first.