ADU (Accessory Dwelling Unit) permit in Kingsport, TN
Yes — you need a permit for adu (accessory dwelling unit) work in Kingsport.
| Permit needed? | Yes |
|---|---|
| Where the line falls | No size threshold in the code |
| Fee | Not in the ordinance — the department quotes it |
| Review time | Not in the ordinance |
| Code section | IRC R105.2 (Sec. 22-96) |
| Based on | IRC 2018 as amended by the City |
How to pull the permit
- Put together a site plan showing where the work goes, with dimensions.
- Apply through the Kingsport building department.
- Pay the permit fee when the permit is issued. Work done before that isn't covered.
- Book each inspection listed on the permit as the job reaches that stage.
Either of you can pull it. When a contractor does the work, it is normally their job.
If you skip it
Up to $50 per day that the unauthorized work is continued (IPMC 112.4 as amended).
Nearby cities, same job
Rules stop at the city line. If your lot is near a boundary, or you work across several towns, this is where they differ.
| City | Distance | Permit? | Where the line falls |
|---|---|---|---|
| Kingsport | — | Yes | No size threshold in the code |
| Johnson City | 15 mi | Yes | Building an accessory dwelling unit (garage apartment, ca… |
| Bristol | 18 mi | Yes | No size threshold in the code |
| Morristown | 47 mi | Yes | No size threshold in the code |
| Knoxville | 87 mi | Yes | Building an accessory dwelling unit (garage apartment, ca… |
| Farragut | 101 mi | Yes | No size threshold in the code |
See every Tennessee city on adu (accessory dwelling unit) work
Other work in Kingsport
Questions people ask
I already built it without a permit. What now?
Kingsport can issue a stop-work order and require you to apply after the fact, sometimes with an extra fee. Work that was covered up may have to be opened for inspection. Full walkthrough here.
Does unpermitted work cause problems when selling the house?
Often, yes. A buyer's inspector or the title company may flag it, and lenders can balk at financing a home with open or missing permits. What to do about it.