What happens to property taxes when a house sells in Hillsborough County, FL

Across 229,600 parcels in Hillsborough County, FL carrying a Save Our Homes tax gap, the county's own market value runs a median 1.73x above the assessed value the current owner is taxed on. A sale resets the assessment toward market value, so the buyer's tax bill can land well above what the seller paid.

229,600

Parcels with a tax gap

1.73x

Median market-to-assessed ratio

$138,183

Median dollar gap

Florida's Save Our Homes cap limits how much a homestead's assessed value can rise each year, even while market value climbs faster. The gap between the two builds for as long as an owner keeps the homestead exemption.

That gap does not transfer with the sale. Once a home changes hands, the county reassesses it, and the new owner's taxable value moves toward the current market value rather than the seller's capped number.

A median dollar gap across these parcels is $138,183 — the difference between the market value on the roll and what the current owner is actually taxed on today.

This is drawn directly from Hillsborough County, FL's own property appraiser parcel roll, not a survey or an estimate. The final tax bill still depends on the millage rate and the buyer's own exemptions, so treat this as the size of the gap, not a specific bill.

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Figures come from Redfin's published market data for the Hillsborough County, FL area, through May 2026. Neighborhood Numbers is an independent data publisher and is not affiliated with Redfin. We update these pages when Redfin publishes, once a month.