ExemptMyHome

First-Year Property Taxes After Buying a Home: Why the Bill Doesn't Match Your Exemption Yet

By Sharon Ben-Moshe · August 2026

Homestead Exemptions

Your first property tax bill after buying a home usually reflects the seller's status, not your new homestead exemption — because most states lock in ownership and assessed value as of one fixed date each year, commonly January 1, and any exemption you file for typically won't lower your county bill until the following annual cycle.

Key takeaways

  • Assessed value and exemption eligibility are usually determined as of one date each year — commonly January 1, though the exact date varies by state.
  • If you buy mid-year, that year's tax bill was calculated before you owned the home; at closing, this typically shows up as a prorated credit from the seller, not a lower county bill.
  • In assessment-cap states like Florida, buying a home resets the assessed value to full market value the following January 1 — which can make your bill go up even as your new exemption is being processed.
  • Texas's homestead exemption removes $140,000 of assessed value from school taxes (verified 2026-07-18) once approved — but only starting the tax year tied to your qualifying ownership and occupancy date.
  • File your exemption application as soon as you close: Texas's deadline is generally April 30, Florida's is March 1, and Georgia's is April 1.

Why the timing feels backwards

Most states determine who owes property tax, and how much a home is worth for tax purposes, as of a specific date each year — often called the assessment date or lien date, and commonly January 1, though it varies by state and is worth confirming with your own county assessor. If you close on a home in June, the county's bill for that tax year was generally already set based on ownership and value as of the assessment date earlier in the year — before you owned it.

That's typically handled at closing, not by the county: title companies commonly prorate the year's estimated property tax between buyer and seller, crediting the buyer for the portion of the year the seller still technically owed. That proration is a closing-statement line item, not a change to the county's own tax roll — the bill itself doesn't reflect your new ownership, or any exemption you file for, until the county's next full assessment cycle.

The Florida "resets to market value" surprise

Florida assesses homes at "just value" (fair market value) each January 1, but a homesteaded owner's assessed value is capped from rising more than 3% (or the CPI change, if lower) per year under the Save Our Homes limitation. That accumulated cap does not transfer to a new buyer: per the Miami-Dade Property Appraiser's office, when a homesteaded property changes ownership, the benefit is removed (except for transfers between spouses, to dependents, or to correct a title error), and the property is reassessed at full just value the following January 1. Our posts on assessed value vs. market value and assessment caps cover the mechanics in more depth.

In practice, that means a new Florida buyer can see a higher bill in year one — even after their own homestead exemption is approved — simply because the assessed value reset to market value. The buyer's own Save Our Homes cap only starts building from their second year of homestead ownership onward. See our Florida homestead exemption page for the underlying program.

Texas and Georgia: what actually changes, and when

In Texas, the General Residence Homestead Exemption removes $140,000 of assessed value from the school-tax portion of your bill (Tex. Tax Code §11.13(b), verified 2026-07-18), once your application is approved — generally due by April 30. See our Texas homestead exemption page.

Georgia assesses property at 40% of fair market value statewide, and its standard homestead exemption application is generally due by April 1. Because Georgia's exemption is subtracted from that 40% assessed value rather than full market value, a $2,000 exemption is equivalent to $5,000 of market value. See our Georgia homestead exemption page.

A first-year buyer's checklist

1. File your homestead (or other) exemption application right after closing — don't wait for a reminder from the county.

2. Ask your title company or closing agent to show you the tax proration line on your closing statement.

3. Expect this year's county bill to be based on the seller's status, not yours.

4. In assessment-cap states, budget for a possible reset-year increase, even with a new exemption in place.

5. Confirm your county's exact assessment date and exemption deadline, and use our calculator to estimate what your bill should look like once the exemption is fully reflected.

Frequently asked questions

Why didn't my tax bill go down after my homestead exemption was approved?
Most exemptions take effect starting the next full assessment cycle tied to your state's ownership/occupancy date, not the moment the application is approved. Your first bill as an owner often still reflects the prior owner's status.
What is a proration credit at closing?
A line item where the title company splits the year's estimated property tax between buyer and seller based on how much of the tax year each one owned the home — it adjusts your closing costs, not the county's own bill.
Does buying a home always increase my assessed value?
Not always — but in states with an assessment cap tied to long-term ownership, such as Florida, California, and Michigan, a sale commonly resets the assessed value to current market value, which can raise the bill compared to what the seller was paying.
How do I find my state's exact assessment date?
It varies by state and is commonly, but not universally, January 1 — confirm the exact date and your exemption filing deadline with your county assessor or appraisal district.
How much will my exemption actually save me once it's active?
It depends on your state, county tax rate, and the exemption's mechanism. Our calculator estimates savings once your exemption is approved and reflected in your assessed value.