Platte County Property Assessor 2026: Search & Tax Records

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Platte County Missouri • 2026 Property Assessment & Tax Guide

Search Platte County MO Parcels, Current Values, GIS & Property Taxes

This guide is for Platte County, Missouri, including Platte City, Parkville, Riverside, Weston, Dearborn, Edgerton and the Platte County portions of Kansas City and other communities.

The official Assessor is Marcus Farr. His office maintains real-property assessments and the county-linked Beacon parcel/GIS system. The Collector of Revenue, not the Assessor, issues the actual tax bill and receives payment.

Platte County has an unusual 2026 search situation. Missouri normally carries an odd-year real-estate assessment into the following even year, but Platte is already doing fieldwork for the 2027 countywide reassessment. Beacon can therefore show the current 2026 value alongside an estimated future 2027 figure.

Beacon parcel, owner/address and GIS research
2026 current value vs preliminary 2027 estimate
19% residential, 32% commercial and 12% agricultural assessment
Appeals, senior credit, November bills, deeds and liens
Search Platte Property Search Property Tax Assessment Appeals Deeds & Liens
Assessor Marcus Farr
Real Estate 816-858-3316
GIS / Mapping 816-858-1240
Tax Collector Sheila L. Palmer
Reviewed August 12, 2026
Correct search jurisdiction

This Guide Is for Platte County, Missouri

Several states have a Platte County. This article resolves the keyword to Platte County, Missouri, where the county Assessor operates a dedicated real-property assessment and Beacon GIS workflow.

Missouri Assessor Marcus Farr • Platte City • Beacon property search • Collector of Revenue.
Nebraska Different county headquartered in Columbus with a separate Assessor and gWorks system.
Wyoming Different county headquartered in Wheatland with separate Wyoming valuation rules.
August 2026 assessment status

2026 Is an Even-Year Carry-Forward—but 2027 Reassessment Work Is Already Underway

Missouri real property is normally reassessed in odd-numbered years. Platte County says the assessed value established for an odd year generally carries forward into the following even year except for new construction, improvements and other qualifying changes.
Current 2026 value Generally reflects the preceding odd-year assessment framework plus applicable additions or corrections.
2027 estimate Platte has begun the next countywide reassessment early and is publishing preliminary future values through Beacon.
Do not confuse them An estimated 2027 future value is a working figure and is not the final 2026 tax assessment.
Unique Platte County 2026 feature

Beacon May Show an Estimated Future 2027 Value

Platte County is using 2026 to inspect property, validate sales, review permits and prepare the legally required 2027 countywide reassessment.

About 8,000 parcels The Assessor’s preliminary analysis says roughly 8,000 parcels are projected to decrease.
About 900 parcels Roughly 900 were projected to have increases under 1%.
Almost 13,000 parcels Just under 13,000 were preliminarily projected to exceed a 15% increase threshold.
Still preliminary Inspection, corrected property data and market analysis can change the working 2027 estimate.
A future-value figure is not a final notice. Do not calculate a 2027 tax bill from the preliminary Beacon estimate because both the final assessed value and future levy rates can change.
If the projected assessed-value increase exceeds 15%, excluding new construction, Platte explains that Missouri law requires a physical exterior inspection and written notice. An interior inspection is not automatic; the owner can request one under the county’s procedure.
Four offices, four different tasks

Assessor vs Collector vs County Clerk vs Recorder

Assessor
  • Market value
  • Assessed value
  • Property cards
  • Beacon GIS
  • Real-estate classification
  • Informal value review
  • Personal property filing
Collector
  • Tax bill
  • Payment
  • Paid receipt
  • Quarterly payment option
  • Delinquent balance
  • Real-estate tax search
County Clerk
  • Board of Equalization
  • BOE appeal forms
  • Senior Citizens Tax Credit
  • Tax levy certification
Recorder of Deeds
  • Deeds
  • Deeds of trust
  • Tax liens
  • Plats / surveys
  • Recorded documents
  • Record notifications
Fast routing: “Is the value wrong?” → Assessor. “How much tax do I owe?” → Collector. “I want to appeal formally” → County Clerk / BOE. “Who legally owns it?” → Recorder of Deeds.

Choose Your Platte County Property Task

Find a parcel Use Beacon to locate the parcel record and map.
Read current value Separate appraised market value from statutory assessed value.
Check 2027 estimate Compare the working future value with the current 2026 value.
Check tax bill Use Collector records—not Beacon—to confirm amount due or payment history.
Review senior credit Prepare for the October 1–December 31, 2026 local filing window if eligible.
Trace deed or lien Use the Recorder’s iRecord system and actual recorded documents.

Platte County Property Guide Navigation

Best Platte County Property Search Methods

Search clue Best use Practical check
Parcel ID Exact assessment and tax cross-reference. Copy it exactly from Beacon or the tax bill.
Owner Find parcels associated with an individual, company or trust. Try a shorter surname/entity search when a full name fails.
Address Residential or commercial street-address lookup. Try core house number and street name without extra formatting.
Subdivision Locate lots where owner/address results are ambiguous. Confirm lot and parcel after locating the subdivision.
Map Neighboring parcels, acreage and visual location. Do not treat GIS lines as surveyed boundaries.

Platte County Property Record Decoder

Record field What it means Why it matters
Appraised / Market Value Assessor’s estimate of full market value. The statutory assessment percentage is applied to this value.
Assessed Value Taxable assessment before levy calculations. Percentage differs for residential, commercial and agricultural real property.
Land Value assigned to the land component. Review site size, access, use and classification.
Improvements Buildings located on the land. Check size, age, condition and new construction.
Classification Residential, commercial or agricultural treatment. Controls statutory assessment percentage.
Tax District Combination of taxing jurisdictions serving the parcel. Determines levy mix and explains differing tax bills.
Future 2027 Estimate Working reassessment estimate during the 2026 review process. Useful for planning, but not a final 2026 tax value.
Missouri statutory classification

Platte County Real Property Assessment Percentages

Residential 19% of market value.
Commercial 32% of market value.
Agricultural 12% under the applicable agricultural valuation/classification framework.
Example: a residential property appraised at $400,000 has a basic assessed-value calculation of $400,000 × 19% = $76,000.
Do not assume agricultural land is simply 12% of an ordinary residential market estimate. Missouri agricultural valuation uses its own classification/productivity framework.

How a Platte County Assessment Becomes a Tax Bill

1. Market Value Assessor establishes appraised real-property value.
2. Classification Property is treated as residential, commercial, agricultural or another applicable class.
3. Assessed Value Apply 19%, 32% or applicable agricultural percentage.
4. Taxing Districts County, school, city, fire, library, road and other local levies can apply.
5. Collector Bill Collector extends and collects the annual property tax.
There is no single countywide effective tax rate for every parcel. Two nearby properties can belong to different school, fire, road, city or other taxing districts.
2026 local deadlines have passed

Platte County 2026 Property Assessment Appeal Process

BEFORE JUN 30 Informal review Meet or speak with an Assessor appraiser and present value evidence.
BEFORE JUL 13 BOE filing Forms had to be postmarked or turned in before the second Monday in July 2026.
JULY BOE hearing Board considers evidence and may lower, retain or raise value subject to law.
AUG 12 Current position Ordinary local 2026 stages have passed.
SEP 30 / +30 State Tax Commission Deadline is September 30 or 30 days after BOE final action, whichever is later.
You cannot skip the local BOE and go directly to the State Tax Commission under Platte’s stated process. A State Tax Commission appeal follows the local Board of Equalization step.

Evidence to organize

  • Current Beacon parcel card
  • 2026 assessed value
  • Your requested market value
  • Recent arms-length sale of the subject property
  • Independent appraisal if available
  • Comparable sales
  • Property-condition photographs
  • Repair or damage documentation
  • Correct land/building information
  • BOE decision letter for state appeal
Important Platte-specific 2025–26 issue

Why the 6.835% Residential Equalization Order Matters in 2026

Platte County’s Board of Equalization published a special 2026 notice explaining that the Missouri State Tax Commission originally directed a 15% residential assessment increase following the 2025 reassessment.

After Platte County objected, the county and State Tax Commission entered an Equalization Order of Understanding that instead required residential assessments to be increased 6.835% over the 2024 assessments, excluding new construction and improvements.

Original order 15% increase over prior residential assessments.
Final agreement 6.835% over 2024 residential assessments, excluding new construction/improvements.
2026 appeal consequence Platte says the BOE is limited in its ability to reduce residential valuation below a value fixed by the State Tax Commission.
Do not assume the 6.835% figure is a tax-rate increase. It concerns assessment equalization. Tax bills still depend on assessed value and local levy rates.
Local Platte County senior program

2026 Platte County Senior Citizens’ Real Property Tax Credit

Platte County operates a local senior property-tax-credit program authorized under Missouri’s SB 190 framework.

Age Applicant must be at least 62 by December 31, 2026.
Residence Must own and reside in the primary residence in Platte County.
Tax responsibility Applicant must be responsible for paying the real-estate tax on the home.
2026 filing window October 1 through December 31, 2026.
Prepare before October: parcel identification number, name, property/mailing address, contact information, date of birth and proof of age/residency.
Platte County’s online senior-credit page contains some older wording about annual reapplication alongside newer 2026 FAQ language. For a previously approved applicant, verify with the County Clerk whether a new 2026 application is required before relying on either version.
Official Senior Tax Credit Page Beginning October 1, check the live county page for the 2026 application, verify your eligibility and keep confirmation of submission.
Separate Missouri state credit

Do Not Confuse Platte’s Local Senior Credit With Missouri MO-PTC

The statewide Missouri Property Tax Credit—often called the circuit breaker—is separate from Platte County’s local senior credit.

State program Certain seniors and 100% disabled individuals can qualify.
Owner maximum Current Missouri guidance allows up to $1,100 for an eligible owner who owns and occupies the home.
Claim forms Depending on filing circumstances, use MO-PTC or MO-1040 with MO-PTS.
Tax-year matching matters. Missouri says a property tax paid late in a later calendar year is still claimed for the tax year to which the bill belongs, not automatically on the later year’s Property Tax Credit claim.
Missouri Property Tax Credit Check current income limits, eligibility and forms directly with Missouri DOR.
Vehicles, boats, equipment and other taxable assets

Platte County Personal Property Uses a Different Annual Process

Missouri personal property is assessed based on what the taxpayer owns on January 1. Platte mails annual assessment forms near the beginning of the year.

January 1 Tax liability is based on taxable personal property owned on this date.
March 1 Platte says the assessment form should be returned by March 1 to avoid late filing fees.
May 2 County’s important-date page identifies May 2 as the point when late filing fees are assessed.
Personal property can include motor vehicles, motorcycles, RVs, trailers, boats, boat motors, mobile homes, aircraft, farm machinery, livestock, grain and boat docks.
No prorating just because you sold a vehicle later. Platte explains that the January 1 ownership date establishes that year’s personal-property obligation.
Standing Platte County collection calendar

When Are Platte County Property Taxes Due?

November Collector normally mails annual real-estate tax bills.
December 31 Standing last day to pay county taxes without late-payment penalties.
Quarterly option Platte’s Collector has an optional quarterly real-estate payment program.
Exact bill controls Always verify the tax year, parcel and current Collector instructions.
Do not wait for the November bill to question assessed value. Assessment appeals happen months before the Collector sends the tax statement.
Beacon GIS / mapping

Use Platte County GIS to Check Parcel Context

Locate the parcel in Beacon. Use parcel, address or available search tools.
Open the map. Identify the tax parcel, road access and surrounding tracts.
Compare nearby parcels. Useful when preparing equality or market-value evidence.
Review current and future values separately. The 2027 reassessment layer can create confusion if you only look at one number.
Check physical characteristics. Incorrect lot/building information should be raised with the Assessor before relying on tax calculations.
Do not use GIS as a legal survey. Boundary, easement and encroachment issues require recorded documents and, when necessary, a licensed surveyor.
Recorder Christopher L. Wright

How to Search Platte County Deeds, Tax Liens & Recorded Property Documents

The Recorder of Deeds maintains real-estate transactions, state and federal tax liens and other documents legally presented for recording.

Start with the Beacon parcel. Copy the owner name, parcel number and legal-description clues.
Open the official Recorder page. Go to Platte County Recorder of Deeds.
Select iRecord Search Login. The county provides its online recorded-document research through the iCounty/iRecord service.
Search the parties and document history. Trace deeds, deeds of trust, releases and other instruments affecting ownership or financing.
Review the document itself. The Assessor’s owner field is not a substitute for legal interpretation of the recorded deed.
Request copies or certification if needed. The Recorder’s office is open for record searches and document copies.
Upcoming fee change: Platte County Recorder states that statewide statutory recording fees will increase on August 28, 2026. If you are recording a deed, survey/plat or other instrument after that date, check the new schedule before preparing payment.
The Recorder also offers a free record-notification service that can email users when a deed matching registered criteria is recorded.

Which Platte County Records Should You Check?

Situation Records to check Best next step
Buying a home Beacon parcel, Collector tax history, deed, deed of trust, releases and survey. Match parcel ID across assessment, tax and title records.
Current 2026 value seems wrong Current Beacon value, 2026 BOE history and subject-property evidence. Local filing period has passed; review any preserved State Tax Commission route.
2027 estimate jumped Beacon estimated future value, property characteristics and comparable sales. Treat it as preliminary and contact Assessor during the 2026 reassessment preparation process.
Senior homeowner Parcel ID, age/residency proof and local SB190 credit rules. Prepare for October 1–December 31, 2026 application window.
Need tax bill Collector real-estate search. Use live balance and save paid receipt.
Need legal owner Recorder deed and later instruments. Do not rely on Beacon ownership alone.
Boundary dispute GIS, deed, recorded plat/survey. Obtain professional survey/title help when legal location matters.
Bought a new vehicle January 1 personal-property list and paid tax receipt. Remember Missouri personal-property liability is based on January 1 ownership.
Property search problem solver

Platte County Property Search Problems & Fixes

Problem What to do Office
Beacon shows two different values Separate current 2026 value from estimated future 2027 reassessment value. Assessor
Owner search gives several tracts Compare parcel number, situs address, acreage and map location. Assessor
Value rose without renovation Market/equalization changes can occur even when owner made no physical improvements. Assessor
Residential assessment is far below market value Residential assessed value is normally 19% of market value. Assessor
Need to file 2026 local appeal now Informal/BOE deadlines have passed; determine whether a State Tax Commission deadline remains from a completed BOE case. County Clerk / STC
Tax bill is not online yet Platte normally mails annual bills in November. Collector
Need current delinquent payoff Use Collector’s live account rather than manually adding charges. Collector
Need 2026 senior credit form County says applications become available during the October 1–December 31 filing window. County Clerk
Assessor owner does not match deed Check Recorder’s latest recorded conveyance and contact Assessor about update timing. Recorder / Assessor
GIS boundary conflicts with fence Use recorded plat/deed and professional survey, not tax-map geometry alone. Recorder / Surveyor

Platte County Assessor, Collector, Clerk & Recorder Contacts

Platte County Assessor Marcus Farr
415 Third Street, Room 114
Platte City, MO 64079
Main / Personal Property: 816-858-3310
Real Estate: 816-858-3316
Mapping / GIS: 816-858-1240
Mon–Fri: 8:00 a.m.–4:30 p.m.
Collector of Revenue Sheila L. Palmer
415 Third Street, Room 212
Platte City, MO 64079
816-858-3356
Real-estate tax billing, payments, paid receipts and delinquency.
County Clerk Jera Pruitt
415 Third Street, Room 116
Platte City, MO 64079
816-858-3340
Mon–Fri: 8:00 a.m.–4:00 p.m.
BOE appeals and Senior Citizens Tax Credit.
Recorder of Deeds Christopher L. Wright
415 Third Street, Room 035
Platte City, MO 64079
Office: 816-858-3326
Recorder: 816-858-1832
Search/copy access: 8:00 a.m.–5:00 p.m.
Official live-action routes

Platte County Property Search Final Action Center

Find the parcel in Beacon first. Then use that parcel information for the Collector, appeal or Recorder task you actually need.

Parcel / GIS Search Current assessment, parcel data, map and future reassessment context. Tax Search Real-estate tax bill, payment and current balance. Assessment Appeal BOE procedure, forms, 2026 notice and State Tax Commission route. Deeds & Liens iRecord search, real-estate documents, tax liens and record notifications.
Title-specific answers

Platte County Assessor Property Search FAQs

1. Which Platte County does this property assessor guide cover?

This guide covers Platte County, Missouri, headquartered in Platte City. The current Assessor is Marcus Farr and the county uses the Beacon/Schneider property and GIS system. Platte Counties in Nebraska and Wyoming use different offices and assessment rules.

2. How do I search Platte County Missouri property records?

Use the official Platte County Assessor-linked Beacon property search. Start with the parcel number when available; otherwise use owner, property location or the portal’s available parcel-search and map tools. Open the parcel and verify appraised value, assessed value, classification, property details and map location.

3. Who is the Platte County Assessor in 2026?

Marcus Farr is the Platte County Assessor. He was elected in 2024 and officially took office September 1, 2025. The Assessor’s main number is 816-858-3310, the real-estate staff number is 816-858-3316 and the Mapping/GIS number is 816-858-1240.

4. What percentage of market value is property assessed at in Platte County?

Platte County states that residential real property is assessed at 19% of market value, commercial property at 32% and agricultural property at 12% under the applicable Missouri classification and valuation framework.

5. Is Platte County doing a reassessment in 2026?

The next countywide reassessment is the 2027 reassessment, but Platte County began the work during 2026. The Assessor is inspecting property, analyzing sales and displaying estimated future 2027 values in Beacon. Those future values remain preliminary and can change before 2027 assessments are finalized.

6. What was the Platte County 2026 property assessment appeal deadline?

Informal Assessor hearings were available before June 30. Board of Equalization forms had to be postmarked or turned in before the second Monday in July, which was July 13 in 2026. Those ordinary local stages have passed as of August 12. A taxpayer who properly completed the BOE process may appeal to the Missouri State Tax Commission by September 30 or within 30 days after the BOE’s final action, whichever is later.

7. What was the Platte County residential 6.835% equalization adjustment?

After the Missouri State Tax Commission initially directed a 15% residential assessment increase following the 2025 reassessment, Platte County objected and reached an Equalization Order of Understanding requiring a 6.835% increase over 2024 residential assessments, excluding new construction and improvements. The figure concerns assessed-value equalization, not the property-tax rate.

8. How does the Platte County Senior Citizens Property Tax Credit work in 2026?

The local program is for qualifying homeowners who are at least 62 by December 31, 2026, own and occupy their primary residence in Platte County and are responsible for its real-estate taxes. The county’s current 2026 guidance identifies an October 1 through December 31 application period. Applicants should verify current renewal requirements with the County Clerk because the online page contains some overlapping older and newer instructions.

9. When are Platte County Missouri property taxes due?

Platte County says the Collector normally mails real-property tax bills in November and December 31 is the standing final day to pay county property taxes without late-payment charges. Use the actual current bill and Collector account for parcel-specific balances and payment instructions.

10. Where can I search Platte County deeds and liens?

Use the Platte County Recorder of Deeds. The Recorder’s official page provides access to the iRecord Search system and maintains real-estate deeds, state and federal tax liens and other recorded documents. The office also offers a free deed-recording notification service.

Official Sources & Editorial Verification

Platte County Assessor Marcus Farr, office contacts, Beacon property search, field inspections and Assessor services. Real Property 19% / 32% / 12% assessment ratios, even-year carry-forward rule, notices, GIS and appeal process. 2027 Reassessment Q&A 2026 fieldwork, preliminary future values, 15% inspection rule and Beacon future-value display. Board of Equalization 2026 appeal process, July deadline, STC deadline and 6.835% residential equalization-order explanation. Senior Citizens Tax Credit Age/residency qualification, parcel-document requirements and 2026 filing information. Collector Sheila L. Palmer Current Collector contact and property-tax collection responsibilities. Collector Tax Portal Real-estate tax search, payments and current Collector services. Recorder Christopher L. Wright Deeds, tax liens, iRecord, record notification and August 28, 2026 fee-change notice. Missouri Property Tax Credit State MO-PTC / circuit-breaker eligibility and claim instructions.
What was verified for this 2026 update: Missouri jurisdiction; Assessor Marcus Farr; Assessor office hours and division phone numbers; official Beacon property search; 19% residential, 32% commercial and 12% agricultural assessment percentages; odd-year reassessment / even-year carry-forward rule; 2027 reassessment work occurring during 2026; future 2027 values displayed in Beacon; projected reassessment distribution; more-than-15% inspection rules; June 30 informal review; BOE filing before the second Monday in July; September 30 / 30-day State Tax Commission route; 6.835% residential equalization agreement; current Collector Sheila L. Palmer; November tax-bill mailing and December 31 payment schedule; quarterly-payment availability; Senior Citizens Tax Credit 2026 filing information; current County Clerk Jera Pruitt; current Recorder Christopher L. Wright; and the August 28, 2026 Recorder fee increase.
2027 value warning: the estimated future values appearing during Platte County’s 2026 reassessment preparation are not final 2027 assessments and should not be used as guaranteed future tax amounts.

CountyPropertyAppraiser.org is an independent informational website. It is not affiliated with Platte County, Platte County Assessor, Collector of Revenue, County Clerk, Recorder of Deeds, Missouri State Tax Commission, Missouri Department of Revenue or Schneider/Beacon.

Property values, estimated future assessments, classifications, levy rates, appeal deadlines, tax-credit procedures, payment fees, recording fees, officeholders and Missouri law can change. Verify time-sensitive information with the responsible government office before filing an appeal, recording a deed, applying for tax relief or paying taxes.

Editorial verification date: August 12, 2026.

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Your preparation checklist

Value term Simple meaning
Market value The appraiser’s estimate of the property’s value as of the assessment date.
Assessed value The value after limits or caps may be applied.
Exemptions Approved reductions such as homestead or other exemptions.
Taxable value The value used by taxing authorities after exemptions.

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