Tennessee ADU Laws & Rules (2026)

Compare ADU zoning rules across 1 Tennessee cities. Average ADU score: 7.0/10.

Avg Score: 7.0/101 Cities

Key Tennessee ADU Laws

Tennessee ADU Overview

  • 1 cities currently covered with detailed ADU zoning data
  • Average ADU-friendliness score: 7.0/10
  • Rules vary by city — check individual city pages for details
  • We're actively expanding coverage in Tennessee

Tennessee Cities ADU Comparison

CityMax SizeSetbacksPermit FeesBuild Cost1BR RentScore
Nashville 850 sq ft on lots under 10,000 sq ft; 1,200 sq ft on lots 10,000 sq ft or larger; and no larger than the size or footprint of the principal structure 5 ft minimum $2,500-$5,000 estimated (permit fees + covenant recording) $150,000-$250,000 $1,200-$1,700 7/10

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