Find the Missouri Parcel First, Then Use the Right Office for Values, Taxes or Deeds
Missouri does not have one public statewide parcel-search database covering every county. Real-estate records are primarily maintained locally, so the best search begins with the county assessor where the land is physically located.
The assessor is the right office for parcel identification, property characteristics, classification and assessment values. The county collector handles the actual tax bill and payment, while the recorder of deeds handles deeds and other recorded real-estate documents. Missouri’s State Tax Commission provides official directories that help you identify the correct county office.
Missouri parcel search: choose your task
Start with the task you need to complete rather than opening several county websites at once.
Quick answer: Missouri property records are local
How to search a Missouri parcel or property record
County systems vary widely. Some counties offer a modern GIS map with assessment data attached, while others provide a separate real-estate search and map viewer.
Which Missouri property office should you use?
What you need |
Best office |
What it normally provides |
Do not rely on |
|---|---|---|---|
Parcel number, property value or classification |
County Assessor |
Assessment record, parcel data and valuation |
Collector payment page alone |
Current property-tax bill |
County Collector |
Amount due, payment status and receipt |
Estimating the official balance from assessor value |
GIS parcel map |
Assessor or County GIS |
Parcel geometry, aerials and map layers |
Using a GIS line as a legal survey |
Deed, easement or recorded document |
Recorder of Deeds |
Recorded instruments and document references |
Treating assessor ownership as title evidence |
Local assessment appeal |
County Board of Equalization / County Clerk |
Local administrative review |
Waiting until December tax payment |
Appeal after BOE |
Missouri State Tax Commission |
State-level review of qualifying assessment appeals |
Skipping the required local stage except where law provides an exception |
Major Missouri counties use different parcel-search systems
There is no uniform Missouri interface. These examples show why a statewide guide should route you to the correct county instead of pretending one search form covers the whole state.
Jurisdiction |
Official resource |
What you can find |
Useful local detail |
|---|---|---|---|
Jackson County |
Parcel number, address, land-use information, taxing districts, owners and property values |
The viewer separates market, assessed and taxable values and also links to more detailed property information. |
|
St. Charles County |
Assessment and parcel information |
The County also offers a separate GIS mapping system and Collector tax database. |
|
Clay County |
Parcel ID, owner, situs, map description, appraised and assessed values, and sale information |
The parcel search links directly into the County’s interactive GIS map. |
|
Boone County |
Owner, address, parcel number and mapped parcel location |
Boone specifically warns users not to rely on mapped dimensions or features without field verification. |
|
Greene County |
Property-search access, assessment history, mapping and appraisal information |
The property system includes searches by address, real property, owner and map. |
|
Jefferson County |
Ownership data, parcel lines, aerial photography, floodplain, subdivisions and taxing districts |
Its Property Viewer supports owner, parcel ID and property-address searches. |
|
Platte County |
Real property, commercial property and GIS property search |
The Assessor routes its property search through a GIS mapping and address system. |
|
St. Louis County |
Property number, owner, address and tax-account information |
St. Louis County and the independent City of St. Louis are separate jurisdictions. |
|
City of St. Louis |
Assessment values, parcel information, sales and related city property data |
Do not use St. Louis County records for land located inside the independent City of St. Louis. |
What a Missouri parcel record may show
How to use Missouri GIS parcel maps
GIS is especially helpful for acreage, rural land, vacant parcels and properties where the mailing address does not clearly identify the tract.
Missouri market value and assessed value are not the same number
The assessor first determines the applicable property value. Missouri then applies a statutory assessment percentage according to the property’s classification.
Real-estate class |
Assessment percentage |
$300,000 example |
Important detail |
|---|---|---|---|
Residential |
19% |
$57,000 assessed value |
Applies to qualifying residential real property. |
Agricultural / horticultural |
12% |
Not necessarily 12% of ordinary market value |
Productive-use valuation and agricultural land grades can apply. |
Commercial / all other real property |
32% |
$96,000 assessed value |
Generally applies to real property not classified residential or agricultural. |
Why 2026 Missouri property values usually trace back to the 2025 reassessment
Missouri operates a two-year real-estate assessment cycle. New real-estate values are established as of January 1 in odd-numbered years.
How Missouri assessed value turns into a property-tax estimate
After the assessor determines assessed value, the applicable combined levy is applied. The levy can include multiple local taxing jurisdictions, so two similar homes can have different tax bills.
Residential example
- Market value: $300,000
- Residential assessment percentage: 19%
- Assessed value: $57,000
- Illustrative levy: $7.00 per $100 assessed value
- $57,000 ÷ 100 × $7.00 = $3,990 illustrative property tax
Need the actual tax bill? Leave the assessor system and use the Collector
The assessor determines value. The collector handles the amount billed, payment, delinquency and paid receipt.
Parcel owner information is different from a recorded deed
The owner’s name displayed by an assessor is useful for property research, but it should not be treated as conclusive evidence of legal title.
If you need… |
Use… |
Why |
|---|---|---|
Assessment owner name |
Assessor parcel record |
Connects the taxpayer/property record to the assessment system. |
Recorded deed |
County Recorder of Deeds |
Provides the actual recorded conveyance. |
Book/page or instrument |
Recorder document index |
Identifies the recorded instrument. |
Exact legal description |
Recorded deed/plat |
Online assessment descriptions are often abbreviated. |
Exact property boundary |
Recorded documents + survey |
GIS parcel graphics are reference maps, not boundary surveys. |
Agricultural land needs extra care when you read a Missouri parcel value
Missouri agricultural and horticultural property is assessed at 12%, but qualifying agricultural land can be valued according to productive use rather than simply applying 12% to an ordinary residential-style market estimate.
The State Tax Commission uses agricultural/horticultural land grades. Grade 1 represents the most productive land and Grade 8 the poorest. This is one reason a rural acreage record may not behave like a suburban residential parcel.
Missouri property assessment appeals: what matters in October 2026
The ordinary local 2026 Board of Equalization deadline has already passed. Missouri’s general rule requires many local assessment appeals to be lodged on or before the second Monday in July, subject to applicable county procedures and extensions.
After a Board of Equalization decision, a qualifying appeal to the Missouri State Tax Commission generally must be filed by September 30 of the assessment year or within 30 days of the BOE decision, whichever is later.
Special timing the State Tax Commission identifies
For personal property and certain real estate acquired after the statutory summer cutoff, the Commission identifies a December 31 filing route or a period tied to when a county official first communicated the assessment or tax amount. Read the current STC instructions before relying on that exception.
Build evidence around the valuation problem
Missouri parcel-search problems and practical fixes
Missouri State Tax Commission contact
3705 Missouri Blvd., Suite 100
Jefferson City, MO 65102
Mail: P.O. Box 146, Jefferson City, MO 65102
Phone: 573-751-2414
Email: [email protected]
The Commission’s Office of State Ombudsman helps taxpayers with fairness, accountability and transparency questions involving the Missouri property-tax process.
Taxpayer questions: 573-526-8259
For an individual parcel’s characteristics or local value, contact the county Assessor first.
Continue your Missouri property research
Use the county-by-county office router for assessor, collector, recorder, GIS and appeal resources.
Use this when the real question involves vehicles, annual declarations, bills, receipts or non-assessment waivers.
Compare DIY appeals, evidence services and representation before hiring a company.
Missouri parcel search FAQs
1. Is there one statewide Missouri parcel search?
No. Missouri real-estate parcel and assessment records are primarily maintained by county assessors, with the independent City of St. Louis using its own city system. The Missouri State Tax Commission provides official assessor directories to help locate the correct office.
2. Which Missouri office should I use to find a property value?
Use the county Assessor. The Assessor establishes real-estate values, classifications and assessed values. The Collector handles the tax bill and payment rather than determining the property’s market value.
3. What percentage of market value is a Missouri home assessed at?
Residential real estate is generally assessed at 19% of true value in money. For example, a $300,000 residential market value would normally produce a $57,000 assessed value.
4. Why is my 2026 Missouri real-estate value the same as 2025?
Missouri establishes new real-estate values in odd-numbered years. The value established for 2025 generally continues into 2026 unless circumstances such as new construction or improvements require an adjustment.
5. How do I find a Missouri GIS parcel map?
Start with the county Assessor’s official website. Many counties provide an integrated parcel map or a separate county GIS viewer. Search by parcel number, address or owner using the options provided by that county.
6. Can a Missouri GIS parcel map prove my legal boundary?
No. County GIS and assessment maps are useful research tools but should not be treated as legal surveys. Use recorded deeds and plats and obtain a professional survey when exact boundaries matter.
7. Where do I find the actual Missouri property-tax bill?
Use the county Collector for the current bill, payment status, delinquent balance and receipt. The Assessor record shows value information but is not the official current payoff amount.
8. What is the assessment percentage for Missouri commercial property?
Commercial and other qualifying real property is generally assessed at 32% of true value in money. Agricultural or horticultural property generally uses a 12% ratio applied under agricultural valuation rules.
9. How do I appeal a Missouri property assessment?
Assessment disputes generally begin with the local county process and Board of Equalization. A qualifying appeal can then proceed to the Missouri State Tax Commission. Local appeals are generally due by the second Monday in July, while the STC’s general deadline is September 30 or 30 days after the Board of Equalization decision, whichever is later.
10. Are St. Louis City and St. Louis County property records the same?
No. The City of St. Louis is an independent city and has its own property-search and assessment system. Property located in St. Louis County must be searched through St. Louis County’s systems.
Official Missouri property resources
- Missouri State Tax Commission Directories — official assessor, county clerk and county collector directories.
- Missouri State Tax Commission Definitions — appraised value, assessed value and agricultural valuation terminology.
- File an Appeal — State Tax Commission appeal requirements, deadlines and online filing route.
- State Tax Commission Contact — statewide office contact information.
- Jackson County Parcel Viewer — official parcel, valuation and GIS resource.
- St. Charles County Property Database — official assessment search.
- Clay County Assessor Parcel Search — parcel, owner, assessment and sale information.
- Boone County Parcel Information Viewer — parcel search and GIS mapping.
- City of St. Louis Address & Property Search — city parcel and assessment information.

Khushboo Bobade is the editor and digital publisher of CountyAuditors.org. She oversees the research and editorial process for the website, ensuring that information about county auditor offices, property records, and government resources is accurate, verified, and easy for visitors to understand.
10 Ohio Property Tax Calculators & Auditor Tools
Built specifically for Ohio's 35% assessment ratio, current DTE forms, and 2026 Homestead, Owner-Occupancy, CAUV, Conveyance Fee, and Board of Revision rules. Every number reflects verified Ohio Department of Taxation amounts.
Annual Tax Bill Estimator
OHIOApplies Ohio's 35% assessment ratio plus your county's effective millage tier — the actual math your auditor uses.
Homestead Reduction Calculator
DTE 105A2026 Ohio Homestead: $29,000 general or $58,000 enhanced (100% disabled vet, KIA spouse). OAGI under $41,000 required for non-veteran applicants.
Owner-Occupancy & Non-Business Credits
DTE 105CEvery Ohio owner-occupied home qualifies for the 2.5% Owner-Occupancy Credit plus the automatic 10% Non-Business Credit. Most owners don't realize these stack.
Conveyance Fee Calculator
ORC 322When you sell or transfer Ohio property, the auditor collects $1 state + up to $3 county per $1,000, plus $0.50 per parcel. Counties choose their rate.
CAUV Agricultural Savings
DTE 109Ohio's Current Agricultural Use Value cuts taxable value dramatically for farmland (10+ acres, or smaller with $2,500+ annual gross income).
Mill Rate Converter
Ohio tax rates appear three ways on auditor sites: mills, percent, or dollars per $1,000. Convert between them instantly.
Parcel Number Cleaner
Ohio's 88 counties each format parcels differently — Franklin uses 010-123456-00, Cuyahoga uses 001-23-456, Hamilton uses 100-0001-0001-00. Auto-detects.
35% Ratio Sanity Check
Ohio law sets taxable value at 35% of market value. If yours is significantly higher, you're a strong BOR appeal candidate.
BOR Appeal Savings
DTE 1A successful Board of Revision complaint typically cuts your value 10–20%. Filing is free and stays in effect until the next reappraisal.
BOR Deadline Countdown
MAR 31Ohio's statutory Board of Revision filing deadline is March 31 for the prior tax year. Miss it and you wait until next year — no extensions.
Verify with the official Ohio source
These calculators use the verified 2026 Ohio Department of Taxation amounts and statutory rules. For your exact bill, exemption status, and county-specific deadlines, always confirm with your county auditor and the Ohio Revised Code:
Estimates use Ohio's 35% statutory assessment ratio and effective tax rate tiers averaged across major Ohio counties. Your actual bill depends on local school levies, voted millage, inside vs. outside millage splits, House Bill 920 reduction factors (HB 920), and special assessments. The 2026 Homestead general amount ($29,000) and enhanced amount ($58,000) reflect HB 187 inflation indexing — your county auditor's office may show slightly different transitional figures. Nothing here is legal or tax advice. CountyAuditors.org is an independent informational directory, not affiliated with any county government.