Assessor
St. Louis County Assessor
Appeal Deadline
Within 2 years
Required Form
Board of Equalization appeal
Risk of Increase
Rare but possible
Median Home Value
$210,000
Effective Tax Rate
1.38%
Estimated Annual Savings
$435
Based on 15% reduction
St. Louis County Assessor Portal
Access your property records, assessment details, and file appeals directly through the official St. Louis County website.
Visit https://revenue.stlouiscountymo.gov/Collection/AssessorTips for St. Louis County Appeals
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19% assessment ratio for residential
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File appeal with the Board of Equalization
Step-by-Step
How to Appeal in St. Louis County
Review your property assessment notice from St. Louis County Assessor. Verify the property details — square footage, bedroom count, lot size, and condition.
Research comparable sales in your area. Look for recent sales of similar properties that sold for less than your assessed value.
File your appeal by the Within 2 years deadline. You can file online at https://revenue.stlouiscountymo.gov/Collection/Assessor, by mail, or in person.
Prepare your evidence packet. Include comparable sales data, property condition photos, and any repair estimates that affect value.
Attend your appeal hearing. Present your evidence clearly and focus on comparable sales that support a lower value.
Receive your decision. If the appeal is unsuccessful, check your options for further appeal.
FAQ
St. Louis County Property Tax Questions
How do I appeal my property tax in St. Louis County, Missouri?
File a appeal with St. Louis County Assessor by the Within 2 years deadline. You can file online at https://revenue.stlouiscountymo.gov/Collection/Assessor, by mail, or in person. ProtestMax generates your complete appeal packet for $45 flat.
What is the property tax rate in St. Louis County?
The average effective property tax rate in St. Louis County is approximately 1.38%. The median home value is $210,000, resulting in an average annual tax bill of approximately $2,898.
What is the appeal deadline for St. Louis County?
The appeal deadline for St. Louis County is Within 2 years. Make sure to file before this deadline to preserve your right to appeal.
How much can I save by appealing my St. Louis County property tax?
A successful appeal in St. Louis County typically reduces the assessed value by 10-20%. On the median home value of $210,000, a 15% reduction saves approximately $435 per year.
Can my property tax increase if I appeal?
In Missouri, there is a theoretical risk that your assessed value could increase as a result of a appeal. However, this is rare in practice, and most appeals result in a reduction or no change.