Florida zoning / Hillsborough County / Can I build ADU (accessory dwelling unit)?
Can I build an accessory dwelling unit (ADU) in Hillsborough County, FL?
Permitted by rightYes — you can build an accessory dwelling unit (ADU) in Hillsborough County, Florida. It is permitted by right in the PD district.
Hillsborough County districts that allow adu (accessory dwelling unit)
| District | Basis | Min lot size | Max height |
|---|---|---|---|
| PD — Planned Development DistrictAI estimatenot verified — confirm with planning | By right | — | — |
Frequently asked questions
Can I build an accessory dwelling unit (ADU) in Hillsborough County, FL?
Yes — you can build an accessory dwelling unit (ADU) in Hillsborough County, Florida. It is permitted by right in the PD district.
Which zoning districts allow an accessory dwelling unit (ADU) in Hillsborough County?
Permitted by right in PD.
Checking a specific Hillsborough County property?
Enter the address to see whether an accessory dwelling unit (ADU) is allowed there, with the site plan and application paperwork. Where Zonar has Hillsborough County's official zoning data the answer is instant; otherwise our AI looks for the local government's own zoning map and rules for you (usually about a minute — a new area can take a few — clearly labelled AI-estimated) and tells you plainly when it can't confirm the district.
Official Hillsborough County resources
Informational only — not legal or professional zoning advice. Permitted-use tables and ordinances change; verify with the Hillsborough County planning department before making purchase or construction decisions.