ADU Rules in Nashville, TN — 2026 Guide
Check if your Nashville property qualifies for an ADU in 20 seconds
Nashville ADU Rules at a Glance
Nashville is considered ADU-friendly. Here are the key regulations.
- Nashville (Metro Davidson County) allows DADUs in most residential zones.
- ADU size limited to 700 sqft or 50% of primary dwelling area.
- Owner-occupancy not required for properties in Urban Zoning Overlay districts.
- Short-term rental of ADUs subject to Nashville STR permit requirements.
What ReadyPermit Checks for Nashville Properties
Enter any Nashville address and get an instant ADU feasibility analysis covering:
Zoning Compliance
Verify your Nashville lot is zoned for ADU construction under current TN and local rules.
Setbacks & Coverage
Check required setbacks, lot coverage limits, and height restrictions for your specific parcel.
ADU Size Limits
Calculate the maximum ADU square footage allowed based on your lot size and primary dwelling.
Permit Requirements
Understand what permits and approvals Nashville requires before you can break ground.
Flood & Hazard Zones
Identify if your property falls in a flood zone, fire zone, or other hazard overlay.
Lot & Parcel Data
Pull parcel boundaries, lot dimensions, and existing structures from county records.
Check Your Nashville Property Free
Enter your address below. In under 20 seconds you will know if your Nashville lot qualifies for an ADU — no phone calls, no waiting.
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