Missouri · Jefferson County · Local exemptions · Updated Oct 2026

Jefferson County, MO property tax exemptions (2026)

The property tax breaks that are set or run locally in Jefferson County, on top of Missouri’s statewide rules: what each is worth here, who qualifies, where to apply and the deadline.

What is different in Jefferson County

Jefferson County offers a Real Property Tax Credit for Seniors (the Missouri senior freeze, age 62+) under Ordinance 24-0132. New applicants apply March 1 - June 30 at the County Collector; once approved, the credit renews automatically. The State Blind Pension and voter-approved bond levies are not frozen.

Apply at
Jefferson County Collector
Phone
636-797-5406
Local breaks
Real Property Tax Credit for Seniors
Tax year
2026

Where to apply in Jefferson County

Jefferson County Collector

Phone
636-797-5406
Address
729 Maple Street, Suite 36, Hillsboro, MO 63050 (mail: P.O. Box 100, Hillsboro, MO 63050)
Official exemptions page

Other offices

Local exemptions in Jefferson County

Senior freeze or deferral

Real Property Tax Credit for Seniors

A credit equal to the increase in your real property tax on your homestead above the tax in your initial base year. Not an assessment freeze: the State Blind Pension Fund, voter-approved bond levies, new construction/improvements and annexation can still raise the bill.

Set by
county
Tax year
2026
Who qualifies
Jefferson County resident 62 or older by January 1 of the initial base tax year; owner of record (or with a legal/equitable interest by written instrument) on that January 1; liable for the taxes; not delinquent on Jefferson County real estate taxes. Example from the county: 62 on Jan. 1, 2025 = base year 2025, credit on the 2026 bill.
How to apply
Download the printable application or get one at the Collector's Office; submit it with proof of residency (utility bill or bank statement), proof of age (driver's license, birth certificate or passport) and your tax bill/receipt showing the homestead and your name.
Deadline
New applicants: March 1 - June 30 each year.
Renewal
Automatic; the Collector checks each year for death, a move or delinquent taxes.

Source: official page

State exemptions that also apply here

These breaks come from Missouri law. Their full rules, forms and deadlines are on the Missouri page.

All Missouri property tax exemptions

By group in Missouri: Seniors · Veterans · Disability

Savings estimate for Jefferson County

Roughly what an exemption could save you a year: the value it takes off, times your tax rate.

Filled in when the exemption is a fixed dollar amount. You can change it.

Jefferson County median effective rate: 0.80% (taxes paid as a share of home value). Use your own rate if you know it.

Enter a value and a tax rateChoose an exemption or type the value it takes off.

Median effective rate in Jefferson County: U.S. Census Bureau, American Community Survey, 2020–2024 5-year estimates, county figures as published by Tax Foundation. It is a county-wide middle value; rates differ by town and school district.

An estimate, not a bill. Nothing you type here is sent anywhere.

Eligibility finder for Jefferson County

Answer a few questions to see which property tax breaks may fit you. Nothing you type here is sent anywhere.

Leave empty if you'd rather not say.

Everyone in the home, before taxes. Optional: used only to compare with income limits.

Do you own and live in the home?Answer the first question to see results.

A first check, not a decision: only your county, city or town assessor decides. We read ages, ratings and income limits only where the official rule states them plainly; otherwise we show the rule for you to check.

Document checklist for Jefferson County

Pick the breaks you plan to apply for. You get a checklist of forms, documents, steps and deadlines to print or keep on your phone.

The checklist asks for no personal details and nothing is sent to our server: the files are made on your device.

Exemptions to include

Questions about property tax exemptions in Jefferson County

What property tax exemptions are there in Jefferson County?

Jefferson County offers a Real Property Tax Credit for Seniors (the Missouri senior freeze, age 62+) under Ordinance 24-0132. New applicants apply March 1 - June 30 at the County Collector; once approved, the credit renews automatically. The State Blind Pension and voter-approved bond levies are not frozen. Local breaks here: Real Property Tax Credit for Seniors.

Where do I apply for a property tax exemption in Jefferson County?

Jefferson County Collector Phone: 636-797-5406 Address: 729 Maple Street, Suite 36, Hillsboro, MO 63050 (mail: P.O. Box 100, Hillsboro, MO 63050). Also: Jefferson County Assessor, which sets the assessed value (appeals). Also: Missouri Department of Revenue, Property Tax Credit, which state program: MO-PTC circuit-breaker refund for seniors 65+ and disabled homeowners.

When is the deadline to apply in Jefferson County?

Real Property Tax Credit for Seniors: New applicants: March 1 - June 30 each year.

Do I have to reapply every year in Jefferson County?

Real Property Tax Credit for Seniors: Automatic; the Collector checks each year for death, a move or delinquent taxes.

Do Missouri’s statewide exemptions apply in Jefferson County too?

Yes. The statewide breaks on our Missouri page apply here as well, for example Missouri Property Tax Credit (circuit breaker), Form MO-PTC, Homestead Exemption for Former Prisoners of War with a Total Service-Connected Disability and Senior Citizen Property Tax Freeze Credit (county option, age 62+). This page adds what Jefferson County sets or runs itself.

Good to know in Jefferson County

  • Tax bills are due on receipt; the last day to pay without late charges is December 31 (Jefferson County Collector FAQ).

Think your assessed value is too high? See how to appeal in Jefferson County.

Sources

Last checked: Oct 2026.