St. Lucie County, FL Building Setbacks & Zoning: Lot Coverage Limits (2026)
Key Facts
- Max lot coverage
- Per Table 7-10, by district
- Accessory structure cap
- 35% of permitted building area
- Accessory in front yard
- Not allowed
- Fences, walls, hedges
- Exempt from front-yard bar
- Open space
- Governed by LDC 7.04.02
Summary
In unincorporated St. Lucie County, maximum lot coverage is set by zoning district in LDC Table 7-10 (LDC 7.04.01.A). Accessory structures in a residential district may not occupy more than 35% of the maximum permitted building area of the entire lot.
No accessory structure or use in any residential zoning district shall occupy more than thirty-five percent (35%) of the maximum permitted building area of the entire lot.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 32 | Land Development Code: Supplement 36).
Full Breakdown
St. Lucie County LDC 7.04.01.A bars any structure from exceeding the maximum lot coverage shown in Table 7-10 for its zoning district. Separately, LDC 8.00.02.B limits accessory structures and uses in residential districts to no more than 35% of the maximum permitted building area of the entire lot, and 8.00.02.A keeps accessory structures (other than fences, walls and hedges) out of any required front yard. Open-space standards for planned developments are governed by LDC 7.04.02. Confirm your district's coverage cap in Table 7-10.
Violations & Fines
Exceeding coverage limits requires a variance; without one, permits are denied and over-built structures must be reduced or removed.
Frequently Asked Questions
How much of my lot can I build on?
Is there a limit on accessory buildings?
Sources & Official References
Other rules in St. Lucie County
Florida rules heatmap·Compare St. Lucie County to another location·View the Florida building setbacks & zoning overview
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