FEMA flood zone rules in St. Petersburg, FL β also called floodplain regulations or special flood hazard area (SFHA) rules β determine flood insurance requirements and elevation standards for new construction.
St. Petersburg enforces FEMA flood zones and a substantial improvement 49 percent rule under Section 16.40.050, requiring elevation or floodproofing of substantially damaged or improved structures.
Section 16.40.050 of the St. Petersburg Land Development Regulations is the City's floodplain management ordinance. It adopts FEMA Flood Insurance Rate Maps and applies stricter design requirements in Special Flood Hazard Areas. Under the City's 49 percent substantial improvement and substantial damage rule, if the cost of repairs or improvements over a rolling period equals or exceeds 49 percent of the structure's pre-improvement market value, the entire building must be brought into compliance with current flood standards, including elevation above the Base Flood Elevation. The City Floodplain Manager reviews permits and tracks cumulative work. A Single Family Elevation Certificate is required for new and substantially improved structures in flood zones.
Permit denial, stop-work orders, FEMA Community Rating System sanctions, civil penalties under Chapter 21, and removal or elevation of non-compliant structures at the owner's expense.
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Side-by-side rule comparisons with other cities in Pinellas County.
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