Environmental Rules in St. Johns County, FL (2026)
2 rules for unincorporated St. Johns County, Florida.
Verified from official government sources
Flood Zones
Unincorporated St. Johns County regulates all development in mapped Flood Hazard Areas under the Flood Damage Control Regulations at LDC Part 3.03.00. Flood zones are set by the December 7, 2018 Flood Insurance Study and accompanying FIRM, and any subdivision, filling, grading, or building work in those zones needs a Floodplain Administrator permit first.
St. Johns County Flood Hazard Area Rules
Some RestrictionsSt. Johns County Land Development Code § 3.03.02.B-C
B. Areas to Which These Regulations Apply These regulations shall apply to all Flood Hazard Areas within St. Johns County, as established in Section 3.03.02.C, below. C. Basis for Establishing Flood Hazard Areas The FIS for St. Johns County, Florida and Incorporate Areas dated December 7, 2018, and all subsequent amendments and revisions, and the accompanying FIRM, and all subsequent amendments...
Boat Dock Permits
Private boat docks, piers and boathouses are a permitted accessory use in St. Johns County's residential and Open Rural districts, but undeveloped waterfront lots need on-site or nearby parking, and every dock still has to satisfy state and federal permitting agencies.
St. Johns County Private Boat Dock Rules
Some RestrictionsSt. Johns County Land Development Code § 2.02.04.B.3
Boat docks, piers, boat houses, boat houses, boat shelters, structures on docks, shall be permissible as accessory structures in residential districts and OR, Open Rural districts. In addition these structures may be located on parcel(s) of land that is not developed with a main use residential structure, provided adequate parking as defined in Section 6.05.02.E is placed on site, or within 300...
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