Miami-Dade County, FL Building Setbacks & Zoning: Lot Coverage Limits (2026)
Key Facts
- RU-1 new subdivision cap
- 40% of lot area
- RU-1 old subdivision cap
- 35% of lot area
- RU-1Z cap
- 50% of lot area
- Applies in
- Unincorporated Miami-Dade (UMSA) only
- Reviewed by
- Dept. of Regulatory and Economic Resources
Summary
In unincorporated Miami-Dade County, single-family RU-1 lots may not have buildings covering more than 40 percent of the lot in new subdivisions, or 35 percent in older platted subdivisions.
For the districts enumerated in this section, the minimum width and area of lots, the maximum lot coverage, and minimum building sizes shall be as set forth in the following table: ... District Families Min. Width Min. Lot Area (Sq. Ft.) Max. Lot Coverage (% of Lot Area) Min Bldg. Size (Cu Ft) RU-1 1 New sub.-75' 7,500 40% 8,500 Old sub.-50' 5,000 35% 8,500
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 135).
Full Breakdown
Chapter 33's zoning table sets maximum lot coverage by district for the unincorporated area (UMSA) only. RU-1 single-family lots are capped at 40 percent building coverage on new-subdivision lots and 35 percent on older platted lots, with higher caps for denser districts like RU-1M(a)/(b) at 45 percent and RU-1Z at 50 percent. Coverage is checked against the recorded lot area when a building permit is reviewed by the Department of Regulatory and Economic Resources. This table applies only outside the 34 incorporated cities, each of which sets its own zoning.
Violations & Fines
Plans exceeding the district's lot coverage percentage are rejected at permit review; buildings constructed over the cap can draw a code enforcement notice under Chapter 8CC, with corrective work or a variance required to resolve it.
Frequently Asked Questions
Does this 40% cap apply in the City of Miami or Miami Beach?
Can the cap be exceeded with approval?
Sources & Official References
Other rules in Miami-Dade County
Florida rules heatmap·Compare Miami-Dade County to another location·View the Florida building setbacks & zoning overview
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