Design-Build in Utah

Most ADUs in Utah cost between $150,000 and $350,000 to build in 2026. A garage or basement conversion typically runs $120,000–$200,000, while a detached new-build ADU of 600–1,000 sq ft generally runs $200,000–$350,000 depending on finishes, site work, and utility connections. Arena Homes gives a fixed design-build price up front so there are no surprises.

Yes. Utah passed statewide legislation requiring most cities to permit internal accessory dwelling units, and many cities also allow detached ADUs. Rules on size, parking, and owner-occupancy vary by city — Arena Homes handles the zoning check and permitting for your specific lot.

From signed design to final inspection, a typical Utah ADU takes 5–9 months: roughly 4–8 weeks for design and permitting, then 4–6 months of construction. Conversions are usually faster than detached new builds.

Generally yes. A well-built ADU adds both rentable income and resale value — many Utah homeowners see $1,200–$2,000/month in rent and a meaningful bump in appraised value. The exact return depends on your neighborhood and the unit size.

Yes — common options include a home equity line of credit (HELOC), cash-out refinance, renovation loans, and construction loans. Some homeowners use projected rental income to help qualify. Arena Homes can point you to Utah lenders who specialize in ADU financing.

Most single-family lots in Utah qualify for at least an internal or attached ADU; detached ADUs depend on lot size, setbacks, and your city's zoning. Share your address and Arena Homes will tell you what your specific lot allows.