ADU (Accessory Dwelling Unit) permit in Boca Raton, FL
Yes — you need a permit for adu (accessory dwelling unit) work in Boca Raton.
| Permit needed? | Yes |
|---|---|
| Where the line falls | No size threshold in the code |
| Fee | The dollar amount is set by the city's municipal facilities and services user fee schedule, not printed in the code. |
| Review time | 30 days |
| Code section | FBC 105.2; Sec. 19-67 |
| Based on | Florida Building Code 2023, as adopted by City of Boca Raton, Code of Ordinances Ch. 19 (Ord. 5455/5706) |
How to pull the permit
- Put together a site plan showing where the work goes, with dimensions.
- Apply through the Boca Raton 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
If you start the work before the permit is issued, the city adds a penalty of 200 percent of the permit fee on top of the normal fee (Sec. 19-140).
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 |
|---|---|---|---|
| Boca Raton | — | Yes | No size threshold in the code |
| Deerfield Beach | 4 mi | Yes | No size threshold in the code |
| Boynton Beach | 11 mi | Yes | You need a permit to build a garage apartment, casita, or… |
| Coral Springs | 12 mi | Yes | You need a building permit to construct an accessory dwel… |
| Tamarac | 15 mi | Yes | No size threshold in the code |
| Fort Lauderdale | 16 mi | Yes | No size threshold in the code |
See every Florida city on adu (accessory dwelling unit) work
Other work in Boca Raton
Questions people ask
How much does a adu (accessory dwelling unit) permit cost in Boca Raton?
The dollar amount is set by the city's municipal facilities and services user fee schedule, not printed in the code.. 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?
Boca Raton 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.