How much does a concrete slab cost in St Petersburg, FL?
Poured concrete pad with forms, gravel base, and rebar. Priced against Florida material costs, a typical DIY concrete slab in St Petersburg runs about $622 in materials — 1% above the national average. These are estimates only, not a quote — enter your real dimensions in the free calculator for a shopping list matched to your build.
Estimates only — not a quote.
St Petersburg cost breakdown
| Estimate | Low | Typical | High |
|---|---|---|---|
| St Petersburg (DIY materials) | $529 | $622 | $840 |
| National average | $524 | $616 | $832 |
Priced from the Florida material index — 1% above the national average. Based on a common-size concrete slab; enter your own dimensions for an exact number.
DIY materials estimate: $622. A contractor in the St Petersburg market (materials plus about 20 labor hours at ~$50/hr) estimates to $1,560–$2,092. Estimated DIY savings: $1,151 (65%).
Flatwork under about 200 sq ft is often permit-exempt; larger pours and anything structural generally are not.
Outside city limits, Pinellas County is typically the permitting authority.
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Frequently asked questions
How much does a concrete slab cost in St Petersburg, FL?
Materials typically run $529–$840 for a common-size project using St Petersburg-area pricing. That is an estimate, not a quote — our free calculator prices your exact dimensions.
Is it cheaper to DIY or hire a contractor in St Petersburg?
DIY materials estimate to about $622. A local contractor estimates to $1,560–$2,092 at the St Petersburg-area labor rate of roughly $50/hr, so DIY could save an estimated $1,151 (65%).
Do I need a permit for a concrete slab in St Petersburg?
Flatwork under about 200 sq ft is often permit-exempt; larger pours and anything structural generally are not. Pinellas County and the City of St Petersburg rules can be stricter than the state baseline — run the free permit lookup for your ZIP before buying materials.
Why is St Petersburg concrete slab pricing different from the national average?
We apply a regional material cost index for the St Petersburg market — currently 1% higher than the national average. Labor is indexed separately at about $50/hr for the contractor comparison.
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Looking at the whole state? Concrete slab cost in Florida.