Building Setbacks & Zoning in St. Johns County, FL (2026)
1 rule for unincorporated St. Johns County, Florida.
Verified from official government sources
Note: These county rules apply to unincorporated areas of St. Johns County. If you live within an incorporated city, that city's own rules apply: see the city list below.
Lot Coverage Limits
St. Johns County caps building lot coverage by zoning district under LDC Table 6.01: as low as 20% in the RS-E estate district, rising to 25% in RS-2, 30% in RG-1 single-family lots and 35% in RG-2, alongside a separate 70% impervious surface ceiling that also covers driveways and patios. Growth Management enforces both limits on every building permit.
St. Johns County Maximum Lot Coverage Limits
Some RestrictionsSt. Johns County Land Development Code § 6.01.01, Table 6.01
Except as specifically provided elsewhere in this Code, regulations governing the Minimum Lot Width, Minimum Lot Area, Maximum Lot Coverage, Floor Area Ratio, Impervious Surface Ratio, Minimum Yard Requirements, and Maximum Height of Structures shall be established for the districts as shown in the following Table 6.01: ... Zoning Districts / Minimum Lot Widths / Minimum Lot Area / Maximum Lot ...
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