Florida's New Property Tax Disclosure Law: What Tampa Bay Buyers Must Know

If you've ever browsed Zillow or Realtor.com and spotted a home in Shore Acres or Wesley Chapel showing $3,200 in annual property taxes — then bought the house and got slapped with a $7,800 bill — you already know this problem. Florida just fixed it. A new state law signed June 29, 2026 is going to change what you see on every online real estate listing platform, and if you're buying anywhere in Tampa Bay in the next 12 months, you need to understand the gap between the old system and the new one before you write an offer.

What the Old System Got Wrong

Many online real estate listings currently display the seller's existing property taxes — and those amounts often reflect years of accumulated homestead exemptions and Save Our Homes assessment limitations, making them significantly lower than what a new owner may owe after purchasing the property.

That's the crux of the issue. Florida's Save Our Homes cap limits how much a primary homeowner's assessed value can increase each year — by no more than 3%. Someone who bought in Shore Acres in 2005 has seen their taxable value held artificially low for two decades. When you buy the house,

counties generally reassess properties at their current market value, and sellers may also have exemptions or assessment limits that do not transfer to new owners, potentially leading to significantly higher tax bills.

In a market like Pinellas or Hillsborough — where values ran up sharply between 2020 and 2023 — that gap can be enormous. A seller's tax bill reflecting 2008-era assessed value has almost nothing to do with what a 2026 buyer is going to pay.

What Florida's New Law Actually Does

The Disclosure of Estimated Ad Valorem Taxes legislation, championed by the Property Appraisers' Association of Florida (PAAF) over multiple legislative sessions, was incorporated into the House Tax Package (HB 7031E) and became law on June 29, 2026. The new law addresses one of the most common sources of confusion for homebuyers by ending the longstanding practice of using a seller's current property taxes as an estimate of what the new owner will owe.

Here's the practical change:

beginning February 1, 2027, online residential real estate listing platforms that choose to display estimated property taxes must use a standardized methodology based on the property's listing price and information published by the Florida Department of Revenue.

Platforms may continue displaying the current owner's taxes and previous years' taxes, but only as historical information — and they must include warnings alongside them.

Platforms that don't want to run a tax calculator have a different path:

they cannot display the current owner's property tax bill, and instead must direct buyers to the county property appraiser's tax estimator or website.

Pinellas County Property Appraiser Mike Twitty put it plainly:

"Prospective homebuyers deserve property tax information that reflects what they are actually likely to pay — not what the previous owner paid."

Why This Matters Right Now for Tampa Bay Buyers

The law doesn't take effect for listing platforms until February 2027, which means for the next several months you're still shopping in the old system. That gap is important.

If you're buying in Pinellas County — Old Northeast, Snell Isle, Venetian Isles, or even Seminole — get in the habit of running a separate tax estimate through the Pinellas County Property Appraiser's tax estimator before you fall in love with a home's payment. The number on the listing could be 30%, 50%, or even more below your actual bill.

Same principle applies in Hillsborough and Pasco.

Property taxes can reset significantly upon purchase, and Community Development District (CDD) fees in newer subdivisions like those in Riverview or Wesley Chapel can add hundreds to your monthly payment

— stacked on top of a reassessed tax bill that wipes out the seller's Save Our Homes advantage.

Also worth watching: there's a bigger property tax story in November.

Florida lawmakers passed HJR 1F during a Special Session in June 2026, putting a "Save Our Homes from Excessive Property Taxes" amendment on the November 2026 ballot. If approved by 60% of voters, it would increase Florida's homestead exemption, reduce the maximum annual increase on non-homestead properties from 10% to 5%, and establish guardrails for how local governments use property tax revenue.

If that amendment passes, the calculus for buyers — especially first-timers — changes meaningfully in 2027 and 2028.

What Sellers Should Know Too

If you're listing a home in Tampa Bay, this law creates an opportunity. Sophisticated sellers who proactively show buyers a realistic tax estimate — rather than letting them discover a surprise at closing — are going to build more trust and close more reliably. Your listing agent should be running the county property appraiser's tax estimator as part of the listing prep, not leaving buyers to find the gap themselves during financing.

The Florida Realtors 2026 legislative report also notes that

the bill holds licensees and other information providers harmless from liability if an estimate later proves inaccurate

— so there's no downside to being upfront.

If you're shopping in any of my service areas — Pinellas, Hillsborough, or Pasco — I run a full carrying-cost breakdown with every buyer consultation, including a realistic tax estimate based on what you'll owe, not what the seller is paying today. That number matters as much as the price. Want to run the numbers on a home you're watching? Check your home value and estimated costs here or reach out directly — I'm happy to walk through it before you make any moves.