Port St. Lucie has the best flood map and the worst wetland map of any market we have measured. Ninety five percent sampled outside the flood hazard area, and eighty nine percent had wetland on the lot or within 500 feet. Both numbers are true and they point in opposite directions.
Check any Port St. Lucie lot in secondsFlood zone, wetlands, soil, owner and zoning, in one search.See how it worksWe sampled 121 points on an even grid across Port St. Lucie on 15 September 2026 and ran each against the same public layers the app queries: FEMA's National Flood Hazard Layer, the US Fish and Wildlife National Wetlands Inventory on the point and within 500 feet, and the USDA soil survey. Soil figures come from 119 of those points, because the survey does not cover open water. These are measured numbers, not estimates.
Ninety five percent Zone X. Three percent Zone AE and two percent Zone AH, which is the shallow ponding zone where water sits one to three feet deep rather than flowing. Only five percent of the grid fell inside a special flood hazard area at all.
For a city this size on this coast that is genuinely unusual, and it is why Port St. Lucie lots screen well on the first pass. The mistake is stopping there.
Nine percent of the sample had wetland mapped on the point itself. But eighty nine percent had wetland on the lot or within 500 feet, the highest figure in any market we have sampled, ahead of Cape Coral.
Wetland within 500 feet is not a reason to walk away. It is a reason to find out where the line actually runs before you price the lot, because the setback, the drainage design and the permitting timeline all move with it. Wetland mapped on the parcel itself is the one that reshapes the deal, and that is the nine percent.
Eighty two percent of soil samples came back poorly drained and another twelve percent very poorly drained. The median seasonal high water table sat twelve inches down.
That combination, a clean flood map over consistently wet ground, is the single most useful thing to understand here. It is the same trap as Palm Bay and it is more extreme, because the flood map here looks so much better.
Gopher tortoise, bald eagle and burrowing owl all appear in St Lucie County, and a tortoise relocation is priced per animal rather than per lot. It is the kind of cost that turns a thin deal into a loss after closing. The app checks the species layers the county publishes at the same time as everything else.
Wetlands first, then soil, then flood zone, which is the reverse of most markets and the reverse of what the flood number tempts you into. Then utilities and the species layers. The app answers all of it in about ten seconds and links you to the St Lucie County Property Appraiser for the sale history.
Almost all Zone X. Of 121 evenly sampled points on 15 September 2026, 95% came back Zone X, 3% Zone AE and 2% Zone AH, leaving only 5% inside a special flood hazard area. That is the best flood picture of any coastal Florida market we have measured, and it is also the most misleading, because the ground tells a different story.
More than anywhere else we have measured. 89% of sampled points had wetland on the lot or within 500 feet, though only 9% had it mapped on the point itself. The city was platted across the St Lucie river drainage and the canals that replaced it, so wetland is usually close by even when it is not on your parcel.
Because FEMA maps flood events and the soil survey maps everyday drainage. In our sample 82% of the soil came back poorly drained and another 12% very poorly drained, with a median seasonal high water table 12 inches down. A Zone X lot with water a foot below the surface still needs fill and a drainage plan.
Often. St Lucie is one of the counties where gopher tortoise, bald eagle and burrowing owl all come up, and a relocation permit is a real line item rather than a rounding error. Land in Seconds flags the species layers the county publishes so you know before you offer, not after.
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