St. Louis County Parcel Lookup, Real Estate Assessment Records and Property Tax Search Help
Use this practical guide to search St. Louis County assessor records, real estate values, personal property records, tax bills, tax receipts, parcel maps and assessment appeal resources using official county tools.
Most people searching for St. Louis County Assessor Property Search need either assessment records, tax bills, payment details, a parcel map, or appeal information. These are related, but they are handled through different official county resources.
Use the Assessor for real estate value, classification, ownership listing and property assessment data. Use the Collector of Revenue and property tax inquiry system for tax bills, payments, receipts and tax balances. Use the Board of Equalization if you believe the value or classification is incorrect.
🏠 Search St. Louis County real estate records
Use this for: real estate assessment records, locator number search, owner name search, address search, property value and property details.
Best official path: open the St. Louis County Real Estate Search and search by locator number first if you have it.
Before acting: compare the assessment record with the property tax inquiry page if you need bill, balance, payment or receipt details.
St. Louis County Assessor Quick Facts Before You Search
The St. Louis County Assessor values real estate and personal property throughout the county. If your question is about assessed value, property classification, ownership listing, real estate record details or personal property account information, the Assessor is usually the correct starting point.
The Collector of Revenue is the better office when your question is about tax bills, payment status, tax receipts, due amounts or tax collection. St. Louis County’s tax inquiry system is the main official route to look up and print tax information.
What This St. Louis County Property Search Guide Covers
How to Search St. Louis County Assessor Real Estate Records Online
Start with the official St. Louis County Real Estate Search when you need property value, ownership listing, locator number details, land data, building information or real estate assessment information.
This is useful for homeowners checking value, buyers researching a home, investors reviewing parcels, agents verifying information, and property owners preparing for an appeal.
Open the official real estate search
Go to the St. Louis County Real Estate Search. This is the official county assessor search for real estate records.
Search by locator number if available
The locator number is usually the cleanest search method. If you have it from a tax bill, closing document or county record, use it before trying owner or address search.
Try address or owner name carefully
If you do not have the locator number, search by address or owner name. Start with fewer words. For example, use street number and street name first, then add more details only if needed.
Review value, classification and details
Check property class, appraised value, assessment details, land/building data, and any ownership listing. Save the locator number for tax lookup and appeal research.
Move to tax lookup for bill information
If your goal is payment status, tax amount, balance or receipt, open the St. Louis County Property Tax Inquiry after confirming the correct parcel.
How to Look Up St. Louis County Property Taxes and Print Tax Records
Use the St. Louis County Property Tax Inquiry when you need real estate or personal property tax bill information. This is the route to search, view or print tax details through the official county tax inquiry system.
Use the Collector of Revenue when the question is about billing, tax collection, payment status, tax receipts, or payment help. The Assessor cannot replace the Collector for tax payment questions.
Open the property tax inquiry page
Search with the strongest identifier
Use locator number, account number or other exact information when available. If you only have an address, first confirm the property through the Assessor search.
Check the tax year carefully
Make sure you are viewing the correct tax year. This matters for escrow, refinancing, vehicle registration, closing documents and delinquency checks.
Print or save records immediately
If you need proof for a lender, title company, DMV, accountant or family record, print or save the official result while you are on the page.
Contact the Collector for payment questions
If you need help with billing, payment status, receipt questions or tax collection, use the St. Louis County Collector of Revenue.
St. Louis County Personal Property Search and Declarations
In Missouri, personal property tax is commonly connected with vehicles and other taxable personal property. St. Louis County provides a separate personal property search from its real estate search.
Use the personal property search if your question is about account number, owner name, personal property tax record, declaration status or tax record needed for vehicle-related purposes.
Open personal property search
Use the official St. Louis County Personal Property Search.
Search by account number or owner name
If you have the account number, use it first. If not, search by owner name carefully and compare the result before printing or paying anything.
Use the tax inquiry for payment records
Assessment and account details are not the same as payment status. Use the tax inquiry or Collector resources when you need payment or receipt information.
How to Use the St. Louis County Property Lookup Map
The property lookup map is useful when the address is confusing, when you are checking a large parcel, when a property has multiple nearby parcels, or when you want to visually confirm the parcel before using the tax inquiry page.
Maps are helpful for research, but they should not replace official tax bills, recorded documents, surveys, appraisals or legal title work.
Open the official property lookup map
Use the official St. Louis County Property Lookup map for map-based parcel research.
Search or zoom to the parcel
Search by address or zoom into the area. Confirm the parcel shape and location before copying record details.
Compare with the real estate search
After you find the parcel on the map, return to the real estate search to confirm locator number, owner listing and value details.
Good Use of Map Search
Use it to confirm location, nearby parcels, subdivision context and confusing address situations.
Helpful researchNot a Legal Survey
Do not use online parcel maps as a legal boundary survey. Use professional help for boundary disputes.
Avoid mistakesHow to Appeal a St. Louis County Property Assessment
If you believe the St. Louis County Assessor has incorrectly classified or valued your property, the Board of Equalization property appeals process is the official route to review. Appeals should be evidence-based, not just a general complaint that taxes are high.
A good appeal usually focuses on incorrect property data, wrong classification, market value evidence, comparable sales, condition problems or documentation showing why the assessment is not accurate.
Review your assessment record first
Open the St. Louis County Real Estate Search and save the property record, locator number and value information.
Collect proof before filing
Gather comparable sales, appraisal reports, repair estimates, photos, incorrect square footage proof, condition evidence or documents showing incorrect classification.
Open the property appeals page
Read the St. Louis County Property Appeals page before starting the appeal.
Use online filing if available
If you are ready to file electronically, use the File Online Appeal page and follow current instructions.
St. Louis County Property Search Tips That Save Time
Most search problems happen because users enter too much information, use the wrong jurisdiction, or confuse real estate records with tax payment records.
Best move: confirm the property is in St. Louis County, not the independent City of St. Louis. The systems are different.
Best move: use locator number when available. It is usually cleaner than owner name or partial address search.
Best move: start with street number and street name only. Remove punctuation and unit text if no result appears.
Best move: try last name first. For trusts, LLCs and businesses, search the shortest unique part of the name.
Best move: use tax inquiry or Collector resources for payment proof. Do not use the Assessor value page as a payment receipt.
Best move: save screenshots, comparable sales and property photos before filing. Evidence matters more than frustration.
Official St. Louis County Assessor, Tax and Appeal Links
Use these official links first. They are safer than third-party property record pages when you need current assessment, tax, map, payment or appeal information.
🏢 County Assessor
Assessment records, property values, real estate and personal property information.
Open Assessor🏠 Real Estate Search
Search by locator number, name, address or subdivision information.
Open Real Estate Search💵 Property Tax Inquiry
Search, view, pay or print St. Louis County tax information.
Open Tax Inquiry💳 Collector of Revenue
Tax billing, collection, payment and receipt-related support.
Open Collector🚗 Personal Property Search
Search personal property accounts by account number or owner name.
Open Personal Property Search🗺️ Property Lookup Map
Use county map tools for visual parcel research and location checking.
Open Property Map⚖️ Property Appeals
Review Board of Equalization property appeal information.
Open Appeals📝 File Online Appeal
Use the online appeal filing route when available and appropriate.
File Online Appeal📍 Office Locations
Find county revenue services and location information.
Open Office InfoSt. Louis County Assessor and Collector Contact Information
Call the right office based on your issue. Assessment value, classification, real estate records and personal property accounts usually go to the Assessor. Tax billing, tax payment, receipt and collection issues usually go to the Collector of Revenue.
Best for: real estate value, property classification, personal property records, assessment details and property search support.
Address: 41 South Central Avenue, 3rd Floor, Clayton, MO 63105
Phone: 314-615-2555
Email: Assessor@stlouiscountymo.gov
Best for: tax billing, payments, receipts, tax collection and tax inquiry questions.
Address: 41 South Central Avenue, Clayton, MO 63105
Phone: 314-615-5500
Email: collector@stlouiscountymo.gov
St. Louis County Government Center
41 South Central Avenue, Clayton, MO 63105
St. Louis County Assessor Property Search and Tax Lookup FAQs
How do I search St. Louis County assessor property records?
Use the official St. Louis County Real Estate Search. Search by locator number first if you have it, or use owner name, address or subdivision search.
Where can I look up St. Louis County property taxes?
Use the official St. Louis County Property Tax Inquiry page. It is the best route to search, view, pay or print property tax information.
Is the Assessor the same as the Collector of Revenue?
No. The Assessor handles property valuation and assessment records. The Collector of Revenue handles tax billing, collection, payments and receipts.
What is the St. Louis County locator number?
The locator number is a county property identifier. It is often the best search key for real estate records and tax records because it avoids owner-name and address spelling problems.
Can I search St. Louis County property by owner name?
Yes. The real estate search allows name-based search. For best results, start with the last name or the shortest unique part of a business or trust name.
Can I search St. Louis County property by map?
Yes. Use the official St. Louis County property lookup map for visual parcel research, then confirm the result through the Real Estate Search or Property Tax Inquiry.
How do I appeal a St. Louis County property assessment?
Use the Board of Equalization property appeals page. Gather evidence such as comparable sales, appraisal records, condition photos or proof of incorrect property data before filing.
What phone number should I call for assessment questions?
Call the St. Louis County Assessor at 314-615-2555 for assessment, value, classification, real estate records or personal property account questions.
What phone number should I call for tax bill questions?
Call the St. Louis County Collector of Revenue at 314-615-5500 for tax billing, payment, receipt and collection questions.
Does this guide apply to the City of St. Louis?
No. The City of St. Louis is separate from St. Louis County. Use this guide for St. Louis County, Missouri properties only.
Best Way to Use St. Louis County Assessor Search and Tax Lookup
The best workflow is simple: search the real estate record first, save the locator number, check the property tax inquiry page, then use the Collector, map or appeal resources only if your question needs those extra steps.
For the search intent behind St. Louis County Assessor Property Search & Tax Lookup 2026, this guide covers the main user needs: real estate search, locator number lookup, tax bills, tax payments, personal property records, maps, appeals, official contacts and practical search tips.