ADU Rules: Plant City vs Riverview
How do adu rules rules compare between Plant City, FL and Riverview, FL?
Plant City and Riverview have similar restriction levels.
Plant City, FL
Hillsborough County
Plant City permits accessory dwelling units in certain residential zones subject to the Land Development Code. Guest houses and in-law suites must meet setback, size, and owner-occupancy standards. Florida Building Code 8th Edition applies to construction.
View full Plant City rules →Riverview, FL
Hillsborough County
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.
View full Riverview rules →Key Facts Comparison
| Fact | Plant City | Riverview |
|---|---|---|
| Zones | RSF, Agricultural | - |
| Max Size | ~800-1,000 sq ft | - |
| Owner Occupancy | Typically required | - |
| Code | FBC 8th Edition | - |
| Size | - | Up to 40 percent of primary |
| Occupancy | - | Family or staff typical |
| Rental | - | Generally prohibited |
| Ag Districts | - | Farm worker housing allowed |
| Permit | - | Building and septic required |
Highlighted rows indicate differences between cities.
Plant City FAQ
Can I build an in-law suite in Plant City?
Yes, in most residential zones with a permit. Typical limit is 800-1,000 sq ft with setback compliance.
Who enforces this in Plant City?
Plant City code enforcement at (813) 659-4200 handles complaints.
Riverview FAQ
Can I build an ADU on my property in Hillsborough County?
Hillsborough County LDC §6.11.02 allows ADUs in single-family residential zones. Max size is 950 sq ft; variance allows up to 1,200 sq ft or 25% of primary structure (lot must be at least 14,520 sq ft). FL §163.31771 (2024) requires ADUs be allowed in any SF zone. ADUs cannot be used as separate...
What are the size limits for an accessory dwelling unit in Hillsborough County?
Max Size: 950 sq ft (variance: up to 1,200 sq ft). Lot Min (variance): 14,520 sq ft. State Law: FL §163.31771 — cities 75K+ must allow ADUs. Permit Cost: $2,000–$4,500 typical.
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