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Florida Property Tax · Rollback Rate & TRIM Decoder

Did Your Florida Property Tax Actually Go Down?

Florida changed how every city and county sets your tax rate on June 24, 2026. Your August TRIM notice is where you will see it. Enter the four numbers from that notice and find out whether your proposed bill is above or below the rolled-back rate, and whether your tax really went down.

Your TRIM notice numbers
The assessed/taxable value on last year's notice, after exemptions.
Total property tax from all authorities on last year's bill.
This year's taxable value from the new TRIM notice.
The total proposed millage on the new notice. One mill is $1 per $1,000 of value.
Estimated rolled-back rate
17.0000 mills
The rate that would raise the same dollars on this year's value.
Your proposed bill vs last year
$5,679+$279/yr
Enter your numbers above to see whether your bill rose or fell.
Above rollback
Your proposed millage is above the rolled-back rate, which means the taxing authorities are collecting more from your property than last year on the same value.
Estimate only, computed from your inputs. Your county's certified millage and official TRIM notice govern. This combines all taxing authorities on your notice; each one votes separately.
See what the cut does to your county budget →

What changed on June 24, 2026.

The state just rewrote local property tax math, and most owners will not notice until their August TRIM notice arrives. On June 24, 2026 the Governor signed SB 4F and a local-government transparency bill in Bradenton. SB 4F stops cities, counties, and special districts from adding the rise in per capita personal income when they calculate the maximum millage they can adopt, which lowers the base rate for many of them. It also requires a two-thirds vote of the governing board to adopt any rate above the rolled-back rate, and a unanimous vote (or three-fourths if the board has nine or more members) or a voter referendum to go more than 10 percent above it. SB 4F took effect the day it was signed. The companion law forces local governments to run a budget-cutting exercise, identifying potential reductions of up to 10 percent, before they adopt a budget, and to post more budget detail online. Together they push toward lower rates and louder votes, but they do not set your bill. Your jurisdiction still does that at its August and September hearings.

The rolled-back rate, in plain English.

The rolled-back rate is the single most misunderstood number on a Florida tax bill. It is the millage that would raise the same total revenue this year as last year, using this year's taxable values and leaving out new construction. If property values rise and a government keeps the same millage, it collects more money. The rolled-back rate is the rate that cancels that out. When the adopted millage is above the rolled-back rate, the government is collecting more from existing property, and Florida law makes it advertise that as a tax increase. When the adopted rate is at or below rollback, it is not. This is why your rate can fall and your bill can still go up: if your value rose faster than the rate dropped, you pay more, and only the rolled-back rate shows you the truth.

How to read your TRIM notice.

Your TRIM (Truth in Millage) notice arrives in August. It is not a bill. It is the preview, and it is where the new law shows up. Every notice carries the same core lines:

What is on a Florida TRIM notice
Last year's taxable value and taxesYour starting point. This is what you actually paid.
Line 1
This year's proposed taxable valueAfter Save Our Homes cap for homesteads, or full market for non-homestead.
Line 2
The rolled-back rate, per authorityThe revenue-neutral rate. Compare the proposed rate to this.
Line 3
The proposed millage each authority wantsCounty, city, school, water district, and any special districts, each listed.
Line 4
The public hearing date, time, and placeWhere you can speak before the rate is set. This is your one window.
Line 5

Why this is the number to watch this year.

Two property tax stories are running at once in Florida, and they are easy to confuse. The first is the November 2026 ballot amendment that would raise the homestead exemption to $150,000 in 2027 and $250,000 in 2028. That is a future vote, and you can run it in the amendment calculator. The second is already law: the June 24 rollback and budget-cut rules that govern the rate your county sets this August. The decoder on this page is about the second one, the rate that hits your next bill. The honest framing matters here. A lower rate is real relief for you and a real squeeze on the budget that funds police, fire, parks, and roads. See that side in the county impact breakdown.

Common questions.

What is the rollback rate in Florida?
The rolled-back rate is the millage rate that would raise the same total property tax revenue this year as last year, using this year's taxable values and excluding new construction. If values rise and a local government keeps the same millage, it collects more money, so Florida law requires it to advertise and vote against the rolled-back rate. When the adopted rate is above rollback, your bill on the same value goes up. When it is at or below rollback, the jurisdiction is collecting the same or less from existing property.
What did Florida change about property taxes on June 24, 2026?
On June 24, 2026 the Governor signed SB 4F and a local-government transparency bill in Bradenton. SB 4F bars cities, counties, and special districts from adding the rise in per capita personal income when they calculate their maximum millage, which lowers the base rate many can adopt, and it requires a two-thirds vote of the governing board to adopt any rate above the rolled-back rate, with a unanimous vote (or three-fourths if the board has nine or more members) or a referendum needed to exceed 110 percent of it. The companion law requires local governments to run a budget-cutting exercise identifying potential reductions of up to 10 percent before adopting a budget, and to post more budget detail online. Confirm the exact provisions against the enrolled bill text.
How do I read my Florida TRIM notice?
A TRIM (Truth in Millage) notice arrives in August. It is not a bill. It shows last year's taxable value and taxes, this year's proposed taxable value, the rolled-back rate, the proposed millage each taxing authority wants to adopt, and the date and time of the public budget hearing where you can speak. Compare the proposed millage to the rolled-back rate: above rollback means the authority is asking for more revenue from existing property; at or below means it is not. The decoder above turns those four numbers into a plain answer.
Why did my property tax go up even though the rate went down?
Because your bill is the rate times your taxable value, and in Florida the value can rise faster than the rate falls. If your assessed value jumped, a lower millage can still produce a higher bill. That is exactly why the rolled-back rate exists: it strips out the value change and shows whether the government is actually collecting more from the same property. Homesteaded owners are partly shielded by the Save Our Homes 3 percent assessment cap, but non-homestead owners are not.
Does my property tax automatically go down under the new law?
Not automatically. SB 4F lowers the maximum rate a local government can adopt without a supermajority and forces a budget-cutting exercise, which pushes toward lower rates, but each city, county, and district still sets its own millage at its August and September budget hearings. Whether your specific bill falls depends on your jurisdiction's vote and your own taxable value. Use your TRIM notice and the decoder to check your real number, and remember the separate November 2026 ballot amendment on the homestead exemption is a different question.

Methodology and sources.

The decoder estimates your rolled-back rate as last year's taxes divided by this year's taxable value, expressed in mills, and compares it to your proposed millage. Your proposed bill is this year's taxable value times the proposed millage. The vote flag follows SB 4F: a rate at or below the rolled-back rate can pass by simple majority, any rate above it requires a two-thirds vote, and a rate more than 10 percent above it requires a unanimous vote (or three-fourths if the board has nine or more members) or a referendum. These are estimates from the numbers you enter and combine all taxing authorities on your notice; each authority sets and votes on its own rate, and your county's certified millage and official TRIM notice are the binding figures.

The June 24, 2026 law is sourced to coverage of the signing and the Governor's release: CBS Miami, News4Jax, and the Executive Office of the Governor. The rolled-back rate and TRIM process are defined by the Florida Department of Revenue. Confirm the exact SB 4F provisions and bill numbers against the enrolled bill text before relying on them.

This is educational, not tax advice. Use it to understand your TRIM notice and to decide whether to attend your local budget hearing. Your final bill is set by your taxing authorities and certified by your county.

Decode your county.

County pages pre-seeded with each county's current total millage and local TRIM guidance:

DuvalHillsboroughOrangeMiami-DadeBrowardPalm BeachPinellasLee

Keep going.

See what the cut means for services in the county impact breakdown, run the November ballot exemption in the Florida amendment calculator, understand what the amendment does and does not do, estimate your real year-1 bill in the Save Our Homes tax estimator, or open your county's page from the full Florida property tax hub.