Utah ADU Laws & Rules (2026)

Compare ADU zoning rules across 1 Utah cities. Average ADU score: 8.0/10.

Avg Score: 8.0/101 Cities

Key Utah ADU Laws

Utah ADU Overview

  • 1 cities currently covered with detailed ADU zoning data
  • Average ADU-friendliness score: 8.0/10
  • Rules vary by city — check individual city pages for details
  • We're actively expanding coverage in Utah

Utah Cities ADU Comparison

CityMax SizeSetbacksPermit FeesBuild Cost1BR RentScore
Salt Lake City No maximum size; height-limited Increase 1 ft for each foot of height above 17 ft $2,000-$4,000 estimated $180,000-$350,000 $1,200-$1,600 8/10

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