Property Tax · Checklist · Reviewed July 14, 2026
Property tax bill and appeal check
A confusing tax notice usually has one right office behind it. Find it here before a filing deadline passes.
The short version
A value appeal and the bill are separate
A formal assessment appeal is a request for the county to decide the taxable value of property, not to review every line on the tax bill. The application goes to the county clerk of the board, not to the assessor, so an assessor review does not keep the formal deadline open.
What changes the answer: The bill keeps moving while the appeal is pending. Pay on time unless the county gives different written instructions for that account.
Three county offices can sit behind one property-tax problem. The assessor handles value and property facts. The clerk of the board handles a formal value appeal. The tax collector handles the bill, payment, and penalties.
How it works
The appeals board decides value
The appeals board hears disputes about taxable property value. It may decide connected value or classification issues within its authority. It does not change the tax rate, remove an unrelated direct charge, or lower tax because the owner cannot afford it.
A high bill can contain both a value issue and another kind of charge. Only the value issue belongs in this appeal path. The other item needs the county office that controls it.
An assessor review stays informal
An assessor can review the value and may correct an agreed error. That is an informal county process. The formal application is filed with the clerk of the board under the county's current form and delivery rules.
The two paths can run at the same time. If the assessor has not finished, the informal review still does not extend or preserve the formal appeal deadline.
The paper sets the filing clock
For the regular 2026 annual roll, the filing period closes September 15 in some counties and November 30 in others. The current county list controls.
Supplemental, escape, and new base-year value notices use a different clock. The filing period is generally 60 days after the notice is mailed. If no separate notice was sent, the supplemental tax bill can start that 60-day period. The paper, mailing record, assessment type, and county procedure can affect the actual date.
Payment keeps moving during an appeal
An appeal does not pause the tax bill. Property taxes still must be paid on time while the appeal is pending. Late payment can bring penalties and interest even if the owner later wins.
A successful appeal can lead to a correction or refund. A written county correction, payment plan, court order, or other official instruction may change one account. Do not subtract a hoped-for reduction from the bill without county confirmation.
First moves
- 1
Save the notice, bill, envelope, and email. Write down the parcel number, mailing date, payment date, and any appeal date printed on the paper.
- 2
Name the paper before acting: annual tax bill, assessed-value notice, supplemental assessment, escape assessment, corrected bill, or exemption decision.
- 3
Start with the assessor for value, ownership facts, exemptions, exclusions, or an informal review. Ask for the answer in writing.
- 4
Use the county clerk of the board for the current assessment-appeal form, filing period, fee, and delivery rules. The application does not go to the assessor.
- 5
Use the tax collector for payment, delinquency, penalties, installments, or a bill that does not match the county account.
- 6
Compare the notice with the purchase date, construction date, prior value, new value, exemption record, and parcel description.
- 7
Check the formal filing deadline right away. An informal assessor review does not keep that deadline open.
- 8
Pay the tax bill on time while an appeal is pending unless the county gives you different written instructions. A successful appeal can lead to a later correction or refund.
Watch for
- 1
An assessment appeal is about taxable value. The appeals board does not change the tax rate, remove unrelated direct charges, or reduce a bill because it is hard to pay.
- 2
The regular annual filing period differs by county. Use the current county period, not last year's calendar or a date from another county.
- 3
A supplemental, escape, or base-year-value notice often carries a 60-day appeal period. The mailing date and kind of notice matter, so confirm the exact trigger with the clerk of the board.
- 4
Calling or writing the assessor is not the same as filing a formal assessment appeal.
- 5
The appeals board can lower the value, leave it alone, or raise it based on the evidence before it.
- 6
The state form shown online is a sample. Get the current filing form from the county clerk of the board.
- 7
A pending review or appeal does not stop the tax bill from becoming delinquent.
Official sources
Where to confirm this
Use the source that matches the step you are on. Current forms, fees, deadlines, and agency decisions can change after this page is reviewed.
Use this as a map. It does not decide your rights, tell you what to file, or say someone broke the law. If a deadline, denial, eviction, firing, injury, tax bill, permit fight, or insurance dispute is on the line, use the official source or a licensed professional.