ADU Permits: Hialeah vs Miami
How do adu permits rules compare between Hialeah, FL and Miami, FL?
Hialeah and Miami have similar restriction levels.
Hialeah, FL
Miami-Dade County
Hialeah accessory dwelling units are permitted under the city's zoning code in single-family and multi-family districts, subject to lot-size, setback, and parking standards. The City of Hialeah Building Department issues permits under the Florida Building Code (FBC) HVHZ provisions. Florida HB 1031 (2024), codified at FL §163.31771, encourages municipalities to allow ADUs in single-family zones.
View full Hialeah rules →Miami, FL
Miami-Dade County
Miami permits accessory dwelling units in most transect zones under Miami 21, the city's form-based zoning code. Permits are issued by the City of Miami Building Department after Planning and Zoning review under Article 4 (Standards and Tables). Florida HB 1031 (effective July 2024) requires local governments to allow ADUs in single-family zones.
View full Miami rules →Key Facts Comparison
| Fact | Hialeah | Miami |
|---|---|---|
| Code | Hialeah Zoning Code (Part III) | Miami 21 Article 4 Table 4 |
| State Law | FL §163.31771 (HB 1031, 2024) | FL HB 1031 (2024); §163.31771 |
| Building Code | FBC 8th Ed (HVHZ) | - |
| Permit Agency | Hialeah Building Department | City of Miami Building Dept |
| Flood Compliance | FBC §1612 + MDC 11C | FBC §1612 elevation |
| Allowed Zones | - | T3-R, T3-L, T3-O, T4, T5 |
Highlighted rows indicate differences between cities.
Hialeah FAQ
Can I build an ADU in Hialeah?
Yes, in zoning districts where accessory residential uses are allowed, subject to underlying setbacks, parking, and lot-coverage limits. Confirm your district's standards with the Hialeah Planning and Zoning Department before applying.
What permits do I need?
Zoning review by Hialeah Planning, then a Building Permit from the Hialeah Building Department applying the Florida Building Code with full HVHZ wind-load compliance. Properties in flood zones require elevation to or above the Base Flood Elevation.
Miami FAQ
Can I build an ADU in Miami?
Yes, in most residential transect zones (T3-R, T3-L, T3-O, T4, T5) under Miami 21 Article 4, Table 4. Florida's 2024 HB 1031 reinforced municipal duty to allow ADUs in single-family areas.
What permits do I need?
Planning and Zoning review for Miami 21 compliance, a Building Permit from the City of Miami Building Department, HVHZ compliance for the building envelope, and Special Flood Hazard Area elevation if applicable.
Where do I apply?
All permits flow through the City of Miami Building Department's permitting portal, with Planning and Zoning review embedded in the building permit process. Miami-Dade County is not involved for parcels inside the City of Miami.
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