St. Lucie County, FL Building Setbacks & Zoning: Setback Rules (2026)
Key Facts
- County setbacks set by
- Table 7-10, by zoning district
- Roof overhang encroachment
- Up to 30 inches
- Measured from
- Base building line
- Default base building line
- 30 feet from centerline
- PSL corner-lot side setback
- 15 to 25 feet
Summary
In unincorporated St. Lucie County, minimum front, side and rear yard setbacks are set by zoning district in LDC Table 7-10 (LDC 7.04.01.B). Setbacks are measured from the base building line. Port St. Lucie sets corner-lot side setbacks of 15 to 25 feet by lot width.
No structure shall be constructed, built, moved, remodeled, reconstructed, occupied, or used on a lot that is less than the minimum lot area, minimum lot width, and minimum yard requirement as shown in Table 7-10... except that unsupported roof overhangs may encroach up to thirty (30) inches within any required yard setback area.
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.B requires structures to meet the minimum lot area, width and yard setbacks in Table 7-10 for their zoning district, though unsupported roof overhangs may encroach up to 30 inches into a required yard. Setbacks are measured from the base building line, which is 30 feet from centerline on unlisted roads (LDC 7.04.04). In Port St. Lucie, Code 158.203 requires a 15-foot side street setback for corner lots under 90 feet wide, 20 feet for lots 90 to 100 feet, and 25 feet for lots over 100 feet wide.
Violations & Fines
Structures built inside a required setback need a variance; without one, the county can deny permits or require removal of the encroachment.
Frequently Asked Questions
How do I find my exact setbacks?
Can a roof overhang cross the setback line?
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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