ADU (Accessory Dwelling Unit) permit in Denton, TX
Yes — you need a permit for adu (accessory dwelling unit) work in Denton.
| Permit needed? | Yes |
|---|---|
| Where the line falls | No size threshold in the code |
| Fee | Пошлина за строительное разрешение по тарифу города согласно R108.2. Конкретная сумма в контексте не приведена. |
| Review time | Not in the ordinance |
| Code section | R105.1 / DDC 5.4.4 (Additional Standards for Specific Accessory Uses — ADU) |
| Based on | 2021 IRC as adopted and amended (Residential Code of the City of Denton; Sec. 28-33 / 28-34); Denton Development Code 5.4.4 |
How to pull the permit
- Put together a site plan showing where the work goes, with dimensions.
- Apply through the Denton 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
Работы, начатые до получения разрешения, влекут взыскание установленной пошлины по действующему тарифу города (R108.6).
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 |
|---|---|---|---|
| Denton | — | Yes | No size threshold in the code |
| Lewisville | 15 mi | Yes | No size threshold in the code |
| Plano | 26 mi | Yes | Building a garage apartment, casita, or other accessory d… |
| McKinney | 28 mi | Yes | No size threshold in the code |
| Allen | 28 mi | Yes | No size threshold in the code |
| Richardson | 30 mi | Yes | No size threshold in the code |
Other work in Denton
Questions people ask
How much does a adu (accessory dwelling unit) permit cost in Denton?
Пошлина за строительное разрешение по тарифу города согласно R108.2. Конкретная сумма в контексте не приведена.. Valuation-based fees mean the number depends on what the job is worth, so the department quotes it when you apply.
I already built it without a permit. What now?
Denton 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.