ADU (Accessory Dwelling Unit) permit in Bullhead City, AZ
Yes — you need a permit for adu (accessory dwelling unit) work in Bullhead City.
A garage apartment, casita, or other accessory dwelling unit is habitable dwelling space, not an exempt one-story accessory structure (R105.2 item 1 covers only sheds/gazebos up to 120 sq ft with no utilities), so a building permit is required.
| Permit needed? | Yes |
|---|---|
| Where the line falls | A garage apartment, casita, or other accessory dwelling u… |
| Fee | Fees follow the City of Bullhead City Comprehensive Fee Schedule; no dollar amounts are in the code. |
| Review time | Not in the ordinance |
| Code section | R105.2 (Work exempt from permit); 15.04.030 (permit required) |
| Based on | IRC 2018 as amended (Bullhead City) |
How to pull the permit
- Put together a site plan showing where the work goes, with dimensions.
- Apply through the Bullhead City 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
Bullhead City's code doesn't set a specific fine for this work. In practice the department can issue a stop-work order, and unpermitted work tends to surface during a sale, when the buyer's inspector or the title company asks for it.
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 |
|---|---|---|---|
| Bullhead City | — | Yes | A garage apartment, casita, or other accessory dwelling u… |
| Cottonwood | 148 mi | Yes | An accessory dwelling unit is a habitable structure; the … |
| Surprise | 157 mi | Yes | Building an accessory dwelling unit (casita, garage apart… |
| Buckeye | 160 mi | Yes | Building an accessory dwelling unit (casita, garage apart… |
| Glendale | 174 mi | Yes | Building an accessory dwelling unit (garage apartment, ca… |
| Avondale | 179 mi | Yes | Building an accessory dwelling unit (casita, garage apart… |
See every Arizona city on adu (accessory dwelling unit) work
Other work in Bullhead City
Questions people ask
How much does a adu (accessory dwelling unit) permit cost in Bullhead City?
Fees follow the City of Bullhead City Comprehensive Fee Schedule; no dollar amounts are 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?
Bullhead City 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.