5 county-level rules, plus city-specific rules for 3 cities in Hillsborough County, Florida.
Verified from official government sources
Hillsborough County allows accessory dwelling units as Guest Houses and Accessory Living Quarters in most residential districts subject to size, occupancy, and family-member limits under the Land Development Code. Agricultural districts permit farm worker housing. Full independent ADU rentals are restricted.
Sheds in unincorporated Hillsborough County under 150 square feet and 8 feet tall are exempt from building permit but must meet setbacks and Florida Building Code wind load standards. Larger sheds require permits and must be anchored to resist 140 mph winds. Rear setback is typically 7 feet.
Converting a garage to living space in Hillsborough County requires a full building permit, structural and electrical upgrades, replacement covered parking equivalent to zoning minimums, and HOA approval where applicable. Converted garages must meet egress, ceiling height, and energy code.
Carports in Hillsborough County require building permits and must meet 140 mph wind load standards, setbacks, and architectural standards. Attached carports follow principal structure setbacks, while detached carports must observe accessory structure setbacks, typically 7 feet rear and 5 feet side.
Tiny homes on foundations in Hillsborough County must meet the Florida Building Code and minimum dwelling size in the Land Development Code, generally 600 square feet minimum in most RSC districts. Park-model RVs are restricted to licensed RV parks. Movable tiny homes are not permitted as primary residences on standard lots.
3 cities in Hillsborough County have their own accessory structures rules. Each link goes to that city's dedicated page with code citations.
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Hillsborough County Ordinance Hub →