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Your Missouri tax bill jumped. Here's what usually did it.

A higher Missouri tax bill almost always traces to one of a few things — a reassessment, a levy, a lost credit, or a change in what you owned on January 1. Work down the list, then use the office named in each step for the record behind the number.

  1. 1

    Reassessment raised your value in an odd-numbered year

    Missouri counties reassess real property in odd-numbered years. If the assessor's market value went up, your assessed value and bill go up with it — even if your levy never moved. The reassessment notice you got in the spring is the number to check first.

    Read the property tax + reassessment guide ->
  2. 2

    A local levy went up

    Your bill is value times the combined levy of every taxing district on your parcel — county, city, school, library, fire, ambulance, and special districts. A passed school bond or district levy raises the rate on the same value. The Missouri State Auditor publishes the rates each district sets.

    Estimate the bill from value and levy ->
  3. 3

    A credit or freeze fell off

    If a senior property tax freeze, the Property Tax Credit, or another exemption applied last year but not this year, the bill can return to its un-credited amount. Common causes are a missed renewal, a move, or an eligibility change. If a credit is missing, start with your county collector.

    Review the senior property tax freeze ->
  4. 4

    What you owned on January 1 changed (personal property)

    Personal property tax is billed on what you owned on January 1 — vehicles, boats, trailers. A newer or additional vehicle raises it; and if last year you had a statement of non-assessment, this year's first real bill can feel like a jump. The assessor's January 1 snapshot is what drives it.

    See how personal property tax works ->
  5. 5

    New construction or improvements added value

    An addition, a finished basement, a deck, or a new outbuilding raises the assessed value of real property. Improvements can show up on the next bill. If the added value looks wrong, pull the parcel record and appeal by the county deadline.

    Start an assessment appeal if the value looks wrong ->

Where to confirm it

Find the record behind the number

These pages and offices hold the value, the levy, and the credit behind your bill.

Property tax estimator Estimate the bill from market value, assessment class, and the local levy per $100 assessed. Assessment appeal guide If the value looks wrong, start with the county deadline and market-value evidence. Find your county The assessor and collector for your county — the offices that control the value and the bill.

Tax bill questions people ask first

Should I start with the assessor or collector?

Start with the assessor if the value or property record looks wrong. Start with the collector if the payment, receipt, credit, or tax bill line is the problem.

Can a bill jump even if the levy did not change?

Yes. If the assessed value rose, the bill can rise on the same levy. That is common in an odd-numbered reassessment year.

Can a levy change even if my value stayed the same?

Yes. A school, city, fire, library, ambulance, county, or special district levy can change the bill even when the property value stays flat.

What paper should I pull first?

Pull the assessment notice or parcel record, the current tax bill, last year's bill, and any credit or exemption notice. The pattern is usually easier to see side by side.

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