Nashville Permitting Note: Coverage in progress — additional permit types coming soon.
As of early 2026, Detached Accessory Dwelling Units (DADUs) are permitted 'by-right' in most residential zones within Nashville’s Urban Services District, removing previous overlay and alley access requirements.
About Building Permits in Nashville
Building permits in Nashville are issued by the Metro Nashville Codes Administration. Most residential permit applications are submitted online through the Nashville ePermits portal at epermits.nashville.gov. Processing times for standard residential projects typically run 5–10 business days for standard residential projects.
2021 International Residential Code with Tennessee amendments. As of 2026, DADUs (Detached Accessory Dwelling Units) are permitted by-right in most of Nashville's Urban Services District.
All inspections are scheduled through the Metro Nashville ePermits portal.