St. Louis County Missouri Property Tax

St. Louis County, MO has a property tax rate of 1.25%, which is a bit higher than the national average of 1.1%.
Written by Jessie Devine
Reviewed by Melanie Reiff
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The property tax rate in St. Louis County, Missouri is 1.25%, meaning owners of an average home in the area will pay about $2,238 per year.
Property taxes are used by local governments to pay for public services. The amount you owe is based on your home’s value and the tax rates in the districts where you live. In St. Louis County, you’re looking at rates significantly higher than the rest of Missouri, which come in around 0.95%.
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Property tax 101

Trying to decipher complicated tax info isn’t how most people want to spend their time. For a simple breakdown, check out the following: 
  • Property taxes are assigned by local governments to fund public services in your community
  • Property taxes apply to any real property, such as land, buildings, and houses
  • Tax amounts in dollars are assigned by tax assessors
  • Tax assessors use the value of your home and the local tax rate to get that amount
  • The housing market and local government budgets cause property taxes to fluctuate
Now that we’ve got the basics, let’s take a look at taxes in St. Louis County, Missouri.

What is the property tax rate in St. Louis County?

The property tax—or real estate tax—rate in St. Louis County is quite a bit higher than Missouri’s state average. Missouri has an average property tax rate of 0.93%, under the national average of 1.1%. Meanwhile, property owners in St. Louis County will pay 1.25% of their home’s value in taxes, which comes out to around $2,238.

How St. Louis County property taxes are determined

In St. Louis County, Missouri, the County Assessor and a team of appraisers determine the value of real properties in the area. Then, they compare those values to the county’s budget to figure out what the tax rate as a percentage needs to be. After the tax rate is decided, you will receive a bill for the tax value of your property multiplied by the tax rate.
Property taxes aren’t only collected by counties. Most forms of local government, like cities and school districts, assess their own property taxes. That means you could (and probably do) live in more than one taxing jurisdiction. Each one will have its own tax rate, which you’ll see on your bill.
How is your property’s value determined? Your home’s value for tax purposes is different than the value you’d get from an appraiser during the buying or selling process. The latter is known as your home’s market value, and in St. Louis County, it’s multiplied by an assessment rate of 19% to determine the home’s assessed value.
So basically, your property taxes are 1.25% of 19% of your home’s fair market value. Whew!

What do St. Louis County property taxes pay for? 

Now that we’ve gotten the numbers out of the way, let’s look at how your collected taxes are used in St. Louis County. They’re mostly spent on:
  • Public schools
  • Fire districts
  • Libraries
  • Public utilities
The largest portion of property taxes in Missouri goes to fund school districts.
MORE: Missouri auto insurance laws and minimum requirements

How to pay property taxes in St. Louis County 

Tax notices are sent to all property owners in November each year. Taxes are due by December 31st.
If you own property in St. Louis County, you have lots of payment options. You can pay:
  • Online through the
    PayIt website
    using a card or ACH payment.
  • In-person Monday through Friday with check, cash, card, or money order at this address: 1200 Market Street, Room 109, St. Louis, MO 63103
  • By dropbox between November 1st and December 31st at one of four Commerce Bank locations in St. Louis.
  • By mail by mailing a check or money order to: Gregory F.X. Daly, Collector of Revenue, PO Box 66877, St. Louis, MO 63166-6877
  • By phone by calling (314) 408-6887 and using a credit or debit card.
Note that checks are not accepted for past due tax payments.
MORE: Best Car Insurance in Saint-Louis 2022

How to save money on homeowners and car insurance in Missouri

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FAQs

Property taxes in St. Louis County, MO are due by December 31st.
Property tax statements are mailed out in November in St. Louis County.
Property taxes in St. Louis County are higher than the Missouri state average. The percentage rate is 1.25%, with average homeowners paying around $2,238 per year.
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