Updated with 2026 Florida SB-48 Codes
What ADU can you build in your Hillsborough County backyard?
Instantly check eligibility for Accessory Dwelling Units (ADUs), like Guest Houses, Garage Conversions, and In-Law Suites.
100% Private Feasibility Check • Official County Zoning Data
Unincorporated Hillsborough County Rules
Max Size950 sq ft
Setbacks5ft Side / 5ft Rear
Rental Rules
Varies by district
*These rules apply if your address is NOT inside a specific city limit.