Check your jurisdiction first — it's not obvious

A surprising number of properties with a "St. Augustine" mailing address and ZIP code are actually in unincorporated St. Johns County, not the City of St. Augustine itself — and St. Augustine Beach is a separate city with its own rules entirely. Don't assume based on your address; confirm which jurisdiction your parcel actually falls under before applying for anything, since it determines which building department and which set of rules apply.

Permits: the City lists fences explicitly

The City of St. Augustine's own permit guide specifically lists fences among the site improvements that require a permit, alongside pools, driveways, and similar work — this is worth confirming directly rather than assuming the standard under-6-foot exemption used elsewhere automatically applies the same way here.

Recent change: Starting July 1, 2026, the City exempts single-family home improvements under $7,500 from needing a building permit. But this exemption only removes the building permit — it does not remove HARB, Planning & Zoning Board, or Archaeology approval requirements, all of which commonly apply to St. Augustine properties. You also can't split a project into smaller pieces to stay under the threshold, and starting work without an approved exemption on file can double your eventual permit fees.

Historic district (HARB) review

If your property or structure is more than 50 years old — common across St. Augustine's historic core — a new fence may need approval from the Historic Architectural Review Board (HARB) before any permit is issued, regardless of the cost-based exemption above. For historic-district or older-structure questions, the City's Historic Preservation line is (904) 209-4326, and the Historic Preservation Officer can be reached at (904) 209-4283.

Archaeology review — a St. Augustine-specific step

Because of the city's Spanish colonial history, certain zones require an archaeological review before ground-disturbing work — and setting fence posts counts as ground-disturbing work. If your property falls in a designated archaeology zone, this review happens before your permit is issued. The City's Archaeology line is (904) 823-2263 if you're unsure whether your property qualifies.

Planning & Building Department contact

75 King Street, Lobby B, 4th Floor, St. Augustine, FL 32084. For unincorporated St. Johns County parcels, permitting instead runs through St. Johns County's own Building Services department — confirm your jurisdiction first, since it changes where you apply.

Coastal considerations

Properties nearer the coast and barrier islands deal with more salt air exposure than inland Northern Florida, which accelerates corrosion on standard chain link and uncoated hardware. If you're close to the water, vinyl or a coated/galvanized chain link option tends to hold up noticeably better over time than standard-grade material.

This isn't legal advice. Historic preservation rules, archaeology zone boundaries, and jurisdiction lines change and depend on your exact parcel. Always confirm current requirements directly with the City of St. Augustine or St. Johns County before finalizing plans — a contractor who regularly pulls permits here can usually navigate this faster than researching it yourself.
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