STL County Personal Property Tax: Pay Online, Declare Vehicles, Print Receipts & Get a Waiver
Use this guide if you live in St. Louis County, Missouri and need to pay vehicle personal property tax, declare a car, print a receipt for Missouri license plates, get a Statement of Non-Assessment, fix a vehicle/address mistake, understand January 1 ownership, or avoid March 1 and December 31 penalties. This page is for St. Louis County, not the separate City of St. Louis system.
What to do first for St. Louis County personal property tax
Most people are trying to do one of four things: declare a vehicle, pay a bill, print a receipt for DMV/plates, or prove no tax was due. Choose the right path before clicking random tax links.
Fast task board
- 1Need to pay a personal property tax bill? Use the St. Louis County tax payment/search system. Verify account number, tax year and vehicle list before paying.
- 2Need to renew Missouri plates? Print a paid personal property tax receipt for the year required by the license office, or get a Statement of Non-Assessment if no tax was owed.
- 3Moved to St. Louis County or bought a car? File a personal property declaration or new resident declaration with the County Assessor so the county can create/update the account.
- 4Vehicle on the bill is wrong? Contact the Assessor, not the payment portal. The Collector collects the bill; the Assessor fixes vehicle/account assessment data.
- 5Do you mean City of St. Louis? Use the City’s separate Collector/Assessor system. County and City personal property taxes are not interchangeable.
St. Louis County vs City of St. Louis personal property tax
“STL” creates confusion because the county and city are separate for personal property tax, assessor records, collector records, receipts and waivers.
| Situation | Use This Office | Why |
|---|---|---|
| You lived in St. Louis County on Jan 1 | St. Louis County Assessor / Collector | Personal property is assessed where the individual resides on January 1. |
| You lived in City of St. Louis on Jan 1 | City Assessor / City Collector | The City has its own personal property tax system and forms. |
| You moved from City to County mid-year | Usually where you lived on Jan 1 for that tax year | The January 1 location normally controls that year’s assessment. |
| You moved from another Missouri county | Prior county for prior-year receipt/waiver; STL County for future declaration | License offices may ask for the county where tax was owed for the required year. |
| You moved from another state | St. Louis County Assessor for waiver/declaration | You may need a Statement of Non-Assessment for years when no Missouri personal property tax was owed. |
How to pay St. Louis County personal property tax online
Use the county tax payment system for live balances and payments. If you need plates soon, make sure the receipt is printable and the correct tax year shows paid.
1
Open the official county tax payment/search site
Start from the county system, not a random payment result.
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Open St. Louis County Property Tax Inquiry / Payment. Use quick search if you do not have a direct bill link.
2
Search the correct personal property account
Personal property accounts often start with “I” for individual accounts.
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Search by personal property account, owner name, address, or tax bill information. Verify that the result is personal property, not real estate, and confirm vehicle/property details before paying.
3
Pay the required year and save proof
Missouri license offices may require specific years.
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Pay the tax year needed for your license plate renewal or registration. If prior years are delinquent, resolve the oldest years first when the system or license office requires all taxes and fees to be paid before registration.
4
Print or save the receipt after payment posts
Payment confirmation is not always the same as a tax receipt.
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Save your confirmation number immediately. Then use the receipt lookup tool to print a paid personal property receipt when the payment posts. For license-office use, keep the PDF or printed copy with the exact tax year and account.
How to declare personal property in St. Louis County
Declaration tells the County Assessor what taxable personal property you owned or controlled on January 1. The bill comes later from the Collector.
Individual property
Cars, trucks, motorcycles, boats, trailers, aircraft, motorhomes and similar tangible personal property owned or controlled on January 1.
New resident
If you are new to St. Louis County or have not reported before, complete the new resident declaration and list vehicles owned as of January 1.
Business property
Businesses must declare tangible business personal property annually. Business forms warn not to write “same as last year.”
Penalty risk
County forms say to return by March 1 to avoid penalty. Late or rejected declarations can lead to penalties or estimated assessments.
1
Open the personal property declaration service
Use this for vehicle/account updates before the bill is created.
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Start at St. Louis County personal property declaration. Existing accounts may be able to file online; new residents or new accounts may need the county form.
2
List property owned or controlled on January 1
This is the date that causes most confusion.
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List taxable vehicles and other personal property you owned or controlled on January 1 of the assessment year. Include year, make, model, VIN or description, plate number and special details such as trailer type, boat motor HP, motorcycle CC, aircraft N-number or mobile home dimensions when applicable.
3
Do not include tax payment with declaration
Declaration is not the bill.
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Business forms specifically state “THIS IS NOT A BILL DO NOT INCLUDE TAX PAYMENTS WITH THIS FORM.” The Assessor uses the declaration to assess property; the Collector bills and collects later.
| Item | Declare? | Useful Detail |
|---|---|---|
| Owned vehicle on Jan 1 | Yes | Report year, make, model, VIN/description and plate. |
| Vehicle bought after Jan 1 | Usually for next assessment year | May still require waiver/receipt for licensing depending on prior-year status. |
| Vehicle sold before Jan 1 | Usually remove/update | Keep bill of sale or proof of sale to fix account. |
| Leased vehicle | Depends on ownership/lease rules | County has separate leased vehicle guidance and phone routing. |
| Business equipment | Yes for businesses | Report fixed assets, including fully depreciated items if required by the form. |
| Household goods | No in normal individual use | County business registration notice says household goods are exempt. |
How St. Louis County personal property tax is calculated
Your bill is not just a flat DMV fee. It comes from assessed value, local tax rates, assessment rules and the property you owned on January 1.
1. January 1 property
The Assessor looks at taxable personal property owned or controlled on January 1.
2. Assessed value
County forms state vehicles are assessed at 33 1/3% of average trade-in value using NADA or other available information under Missouri law.
3. Local tax rate
The bill applies the personal property tax rate for your area and taxing districts.
| Bill Factor | What It Means | Who Can Fix It |
|---|---|---|
| Wrong vehicle | Vehicle should be added, removed or corrected | Assessor personal property section. |
| Wrong address / city code | Taxing district or mailing address may be wrong | Assessor for address/account; Collector for bill/payment routing. |
| High vehicle value | Valuation or vehicle condition may need review | Assessor or appeal route. |
| Penalty on assessment | Declaration may have been late, missing or rejected | Assessor can explain assessment penalty; Collector collects final bill. |
| Late payment penalty/interest | Tax was not paid by December 31 | Collector handles balance and payment. |
How to print a St. Louis County personal property tax receipt
The paid receipt is the document many Missouri license offices need for license plates, renewals, vehicle registration and tax compliance proof.
1
Open the personal property receipt lookup
Use this after payment is posted.
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Open St. Louis County duplicate personal property tax receipt lookup. Search the account and open the paid tax year needed by the Missouri license office.
2
Match the receipt to the license-office year
A wrong year can cause renewal rejection.
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Missouri registration may require the prior year’s receipt, or two years for a two-year registration cycle. Check the renewal notice and make sure the tax year on the receipt matches the requirement.
3
Print or save the official receipt
Keep a PDF backup.
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Print the receipt or save it as a PDF. If the license office cannot verify it electronically, having the official receipt ready can prevent a second trip.
How to get a St. Louis County Statement of Non-Assessment
A Statement of Non-Assessment, often called a tax waiver, is for people who did not owe personal property tax for a required year. It is not the same as a paid receipt.
New Missouri resident
You may need a waiver if you lived outside Missouri on January 1 and had no Missouri personal property tax due for that year.
First-time vehicle owner
You may need proof such as a title, Missouri title application or bill of sale showing when the vehicle was acquired.
Leased vehicle
County guidance separates leased vehicle situations and may require a lease agreement or out-of-state registration.
Wrong county on January 1
If you were a Missouri resident but did not live in St. Louis County on January 1, obtain the waiver or receipt from the county where you lived.
| Waiver Situation | Documents to Prepare | What to Watch |
|---|---|---|
| New Missouri resident | Out-of-state registration, vehicle title, Missouri title receipt or proof of move date | You still need to get onto the county roll for future years. |
| First-time vehicle owner | Title, Missouri title application or signed bill of sale with vehicle details | Purchase date controls whether prior-year tax was owed. |
| Leased vehicle | Lease agreement or out-of-state registration | Leased vehicle rules can differ from individually owned vehicles. |
| Active military | Leave and Earnings Statement if home of record is not Missouri | Ask the license office and county which proof is required. |
| Bankruptcy | Bankruptcy case number and vehicle ownership documents | County guidance may require in-person handling for bankruptcy waivers. |
1
Open the county tax waiver page
Use waiver only when no tax was due.
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Start with St. Louis County Statement of Non-Assessment / Tax Waiver. Read the document list for your exact situation before submitting.
2
Use the county where you lived on January 1
This avoids the common license-office rejection.
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If you lived in another Missouri county on January 1, St. Louis County is usually not the correct place for that year’s waiver. Ask the county where you lived on January 1 for the receipt or Statement of Non-Assessment.
Common vehicle timing situations in STL County
Most personal property tax problems are timing problems. The January 1 rule controls much of what happens later.
| Situation | Likely Rule | Best Next Step |
|---|---|---|
| Bought a car after January 1 | May not be taxable in STL County until next assessment year | Ask whether you need a waiver or prior-year receipt for plates. |
| Sold a car after January 1 | May still owe tax because you owned it on January 1 | Keep proof of sale for future removal, but pay the due year if assessed correctly. |
| Sold a car before January 1 | Should usually be removed from that year’s assessment | Contact Assessor with bill of sale, trade document or title transfer proof. |
| Moved to STL County after January 1 | Prior county or state may control that tax year | Get receipt/waiver from prior jurisdiction and register with STL County for future years. |
| Vehicle not running | Still may be taxable if owned/controlled on January 1 | Ask Assessor what proof is needed for condition/value review. |
What happens if STL County personal property tax is late
Late personal property tax can block license plate renewal, create penalty/interest and require full payment of older years before a clean receipt is available.
After December 31
County tax bill language states unpaid taxes after December 31 are subject to penalty and interest.
Oldest year first
For vehicle licensing, prior delinquent years may need to be paid before the required receipt is accepted.
Lawsuit risk
Delinquent personal property tax can move toward collection action. Partial payments may not stop suit activity if the account is already in collection status.
Receipt delay
Payment confirmation does not always instantly equal a clean DMV-ready receipt. Re-check the receipt lookup after payment posts.
1
Search every delinquent year
Do not pay only the newest bill if old years remain.
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Open the county tax payment system and review all years tied to the personal property account. Prior-year balances can block license-office acceptance.
2
Contact the Collector for payment questions
Assessment staff cannot confirm payment posting.
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For payment, receipt and delinquent balance questions, contact the St. Louis County Collector of Revenue at 314-615-5500 or collector@stlouiscountymo.gov.
Business personal property tax in St. Louis County
Business accounts are different from individual vehicle accounts. Businesses must declare tangible personal property owned, held or controlled on January 1.
Who files
Businesses, corporations, partnerships, proprietorships and associations owning or controlling taxable tangible personal property.
Return by March 1
County business and manufacturing forms show “return by March 1 to avoid penalty.”
Do not write “same as last year”
County business forms warn that blank or “same as last year” declarations may be rejected and estimated.
Minimum assessment
County business/manufacturing forms reference a minimum assessment for business/manufacturing accounts.
| Business Item | What to Report | County Contact Route |
|---|---|---|
| Business equipment | Furniture, fixtures, equipment, machinery, computers and taxable assets | Business personal property: 314-615-5104. |
| Manufacturing equipment | Manufacturing assets, fixed asset ledger, acquisition date and original cost | Manufacturers: 314-615-5103. |
| Leased equipment | Equipment leased, rented, loaned or held for others | Leased equipment: 314-615-5106. |
| Leased vehicles | Vehicles garaged in St. Louis County depending on lease/tax status | Leased vehicles: 314-615-5102. |
| Aircraft / special assessment | Aircraft details, N-number and hangar/location information | Special assessment/aircraft: 314-615-5105. |
What to do if the STL County personal property value or classification is wrong
Do not wait until you are standing at the license office. Fix assessment problems with the Assessor or appeal route before the tax bill becomes a bigger payment issue.
| Problem | Best Evidence | Where to Start |
|---|---|---|
| Vehicle sold before Jan 1 | Bill of sale, trade-in form, title transfer, insurance cancellation | Assessor personal property section. |
| Wrong VIN / model / year | Title, registration, insurance card, VIN photo | Assessor account correction. |
| Vehicle value too high | Condition photos, mileage, repair estimate, comparable value proof | Assessor review or Board of Equalization appeal. |
| Wrong address / taxing district | Lease, utility bill, driver license, move documents | Assessor address/account update. |
| Business asset no longer owned | Fixed asset ledger, disposal list, sale proof, closure date | Business personal property section. |
St. Louis County personal property tax contacts
Use the Assessor for declarations, vehicles, values, waivers and account corrections. Use the Collector for tax bills, payments, receipts and delinquent balances.
St. Louis County Assessor — Personal Property
Use for: vehicle declaration, account setup, vehicle removal, valuation, address/account corrections, Statement of Non-Assessment and business personal property.
Address:
41 South Central Avenue
Clayton, MO 63105
Individual vehicles: 314-615-5500
Business: 314-615-5104
Manufacturing: 314-615-5103
St. Louis County Collector of Revenue
Use for: tax payment, tax bill balance, duplicate receipt, delinquent tax, payment posting and tax account payment questions.
Address:
41 South Central Avenue
Clayton, MO 63105
Phone: 314-615-5500
Email: collector@stlouiscountymo.gov
Map to St. Louis County Government Center in Clayton
Use this map for in-person county personal property questions, waiver issues, payment questions or account support. Check whether you need an appointment before visiting.
Official STL County personal property tax resources
Use these links for live payment, lookup, forms, receipt printing and official verification. The main steps are already explained above.
STL County personal property tax FAQs
Quick answers for vehicle owners, new residents, business accounts and Missouri plate renewal.
QWhat is St. Louis County personal property tax?▾
It is Missouri local tax on taxable tangible personal property such as vehicles, trailers, boats, aircraft and business equipment owned or controlled on January 1. The Assessor assesses the property, and the Collector handles bills, payments and receipts.
QHow do I pay STL County personal property tax online?▾
Use the official St. Louis County tax payment/search portal. Search the account, verify the tax year and personal property account, pay the required balance, and save the receipt after payment posts.
QWhen is the declaration due?▾
St. Louis County forms show declarations should be returned by March 1 to avoid penalty. The declaration reports property owned or controlled on January 1.
QWhen is the tax payment due?▾
Personal property tax is generally due by December 31. St. Louis County bill language says unpaid taxes after December 31 are subject to penalty and interest.
QHow do I print a receipt for Missouri plates?▾
Use the St. Louis County duplicate personal property receipt lookup. Search your account, choose the paid year required by the Missouri license office, then print or save the receipt.
QWhat is a Statement of Non-Assessment?▾
It is a tax waiver showing no personal property tax was assessed or due for a specific year. It is commonly used when registering a vehicle and you do not have a paid receipt for that year.
QDo I owe tax on a car I sold?▾
If you owned or controlled the car on January 1, it may still be taxable for that year even if sold later. If it was sold before January 1, contact the Assessor with proof of sale or title transfer.
QWho fixes a wrong car on my bill?▾
Contact the St. Louis County Assessor personal property section. The Collector can take payment and issue receipts, but the Assessor handles vehicle/account assessment details.
QIs this the same as City of St. Louis personal property tax?▾
No. St. Louis County and the City of St. Louis are separate for personal property tax. Use the office for the place where you lived or where the property was assessed for the required year.
QIs PropertyTaxUSA.org official?▾
No. PropertyTaxUSA.org is an independent informational guide. Always confirm live balances, receipts, declarations, waivers, penalties and payment status through official St. Louis County and Missouri sources.
Bottom line
For STL County personal property tax, think: declare what you owned on January 1 → fix vehicle/account issues with the Assessor → pay the bill through the Collector → print the receipt for Missouri plates → request a waiver only when no tax was due.
Independent guide notice: This page is not St. Louis County, the Missouri Department of Revenue, a payment processor, legal advice or tax advice. Official county and state sources control account balances, receipts, waiver eligibility, tax bills, deadlines, penalties and vehicle-registration requirements.