St. Augustine archaeology zones can change a small project
In St. Augustine, digging inside an archaeology zone can add a review step, so the zone map and planning office belong in the project file.
In St. Augustine, a small digging job can reach the city’s history review. The rule covers public and private land inside 18 mapped zones.
Review is needed when a building, utility, or road project in a zone spans 100 square feet and goes 3 inches deep. A footing, pool, drive, or utility trench can cross that line. That may sound shallow, but people have lived on this ground for thousands of years. Old layers can sit close to a modern yard.
Use the online map as a first look, not as the last word. The lines shown there are not exact. Call Planning and Building when an address is close to a line or the size and depth are hard to judge. Have the address, work area, and planned depth ready. That call can place the history check in the permit plan before a crew opens the ground.
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Last checked against these sources: August 2, 2026.
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