Johnson County Property Assessor 2026: Search & Tax Records

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Johnson County Kansas Property Search & 2026 Appraisal Guide

Search Johnson County KS Property Values, 2026 Appraisals, Taxes and Parcel Maps

In Johnson County, Kansas, the office most people call the “property assessor” is officially the Johnson County Appraiser’s Office. It discovers, lists and values taxable real and personal property, while the Treasurer handles tax bills and payments and the Register of Deeds maintains recorded land documents.

This 2026 guide shows how to search by address, Quick Reference ID, KUP Number or Parcel Number, interpret Kansas appraised and assessed values, review this year’s 6% market growth, use AIMS parcel maps, handle a missed spring appeal through Payment Under Protest, find current tax-relief programs and research deeds during Johnson County’s 2026 land-record system transition.

Search address, Quick Ref, KUP and Parcel Number
Review Feb. 25 notice and March 27 appeal status
Calculate 11.5% residential assessed value
Find taxes, AIMS maps, relief and recorded deeds
Search Property Values Search / Pay Taxes Open AIMS Mapping Open Register of Deeds
County Appraiser Carolyn Logan
Appraiser phone 913-715-9000
2026 residential ratio 11.5%
2026 notices mailed February 25
Editorial verification August 7, 2026
Current August 7, 2026 position

Johnson County 2026 Property Appraisal and Tax Status

Johnson County’s spring 2026 informal appeal deadline has passed, but eligible owners who did not already appeal the 2026 value can still use Kansas Payment Under Protest when paying the property tax. The county permits only one valuation protest per property per tax year.
222,000+ notices mailed Johnson County mailed more than 222,000 Notices of Appraised Value to residential and commercial owners on February 25, 2026.
March 27 deadline passed The 2026 informal appeal application was due March 27, thirty days after the February 25 mailing.
2026 tax rates are not final yet August property values do not by themselves determine the final 2026 bill because local taxing jurisdictions still establish annual mill levies.
Statements normally mailed November 15 Johnson County’s annual calendar lists November 15 for mailing real-estate tax bills.
First-half statutory date December 20 is the standard first-half or full-payment date under the county calendar.
Second half May 10 is the standard second-half real-estate tax payment date for owners who split the annual bill.
2026 calendar detail: December 20, 2026 falls on a Sunday. Johnson County’s Appraiser calendar states that a deadline falling on a weekend or legal holiday moves to the next business day. Still follow the actual 2026 tax statement and Treasurer instructions before relying on the adjusted date.
Missed the March 27 appeal? Payment Under Protest is the remaining county-level valuation route for many owners who did not already file the spring informal appeal. It must be coordinated with the applicable tax payment rather than submitted as a second appeal.
Use the correct Johnson County office

County Appraiser vs Treasurer vs Register of Deeds

County Appraiser

  • Fair market value
  • Assessed value and classification
  • Property characteristics
  • Residential and commercial appraisal
  • Personal-property valuation
  • Informal value appeals

Treasurer / Tax

  • Annual property-tax bills
  • Current and prior balances
  • Online tax payments
  • Receipts
  • Delinquent taxes
  • Payment Under Protest processing

Register of Deeds

  • Deeds
  • Mortgages
  • Mortgage releases
  • Plats
  • Liens and recorded instruments
  • Certified copies
Official terminology: Kansas uses “County Appraiser.” Search engines often label the office “Johnson County assessor,” but the official county department is the Johnson County Appraiser’s Office.
Your appraisal notice is not a tax bill: the Appraiser establishes value. Cities, school districts, Johnson County and other taxing entities adopt budgets and mill levies that determine the final tax.
Compare another appraisal system: Colorado uses different assessment classifications and tax calculations. See this Denver County Assessor property-search guide for a useful cross-state comparison.

Choose the Johnson County Property Task You Need

Find a property Search address, Quick Reference Number, KUP Number or Parcel Number.
Review the 2026 value Compare 2025 and 2026 appraisals, classification, sales and property characteristics.
Open the parcel map Use AIMS for parcel outlines, aerial imagery, zoning, flood layers, subdivisions and surrounding property.
Challenge a value Determine whether the spring appeal was filed or whether Payment Under Protest remains available.
Search or pay taxes Verify the Quick Ref, property, tax year, payment status and processing fee.
Research ownership Use Register of Deeds records for legal deed, mortgage, release and plat information.

Jump to Your Johnson County Property Task

Six Johnson County Property Fields to Verify First

Quick Ref Match account.
Parcel Confirm exact land.
Classification Verify tax class.
Appraised Value Review FMV.
Assessed Value Check ratio.
Tax Bill Verify year.
Property field What it means Why to check it
Appraised Value County estimate of fair market value as of January 1. This is the key value challenged in an appraisal appeal.
Assessed Value Appraised value multiplied by the statutory Kansas assessment percentage. Mill levies are applied to assessed value rather than full residential market value.
Classification Residential, commercial, vacant, agricultural or another statutory class. The classification determines the assessment percentage.
Quick Reference ID County account identifier commonly used in tax systems. Useful for tax bill and payment lookup.
KUP Number Johnson County property identifier available in county land-record systems. Helpful when an address or owner search is ambiguous.
Property Characteristics Building size, age, quality, use and improvement data used by the Appraiser. Material factual errors can distort a valuation model.
Johnson County Automated Information Mapping System

Use AIMS to Check Parcels, Aerials, Zoning and Nearby Property

Open AIMS Online Mapping. Use Johnson County AIMS.
Search the property. Search by owner, address or map location and match the parcel with the Appraiser record.
Turn on Parcel Outlines. Confirm the selected tract and surrounding subdivision layout.
Compare current and historic aerial imagery. Aerials can help identify additions, demolition, land changes and neighborhood development.
Review zoning, flood and building layers when useful. Use layers as research context rather than assuming they replace official zoning verification.
Create a plot plan for orientation. AIMS can generate useful property maps, but a map printout is not a professional boundary survey.
2026 imagery status: AIMS currently labels its 2026 imagery as preliminary and says the preliminary photography has not yet completed final accuracy and quality checking. The final orthophoto is expected later in summer 2026.
Boundary dispute? Use the recorded plat/deed and a licensed surveyor. An AIMS parcel outline is useful for orientation but should not decide a legal boundary.
2026 Johnson County Revaluation Report

What Changed in Johnson County Property Values for 2026?

Total county +6% Approximate increase in total appraised and assessed values.
Residential +6% Approximate increase for non-apartment residential property.
Apartments +11% Strongest major market-category increase reported.
Office −1.6% Office-sector appraised values declined.
Industrial +4% Industrial property showed moderate growth.
Retail +1.25% Retail valuations experienced little movement.
$536,000 average appraised home value Johnson County reported this approximate average for the 2026 residential roll.
$583,000 average 2025 sale price The county reported this average for new and existing homes sold during 2025.
68% at +7% or less, or down Roughly 68% of residential values either increased by no more than 7% or decreased.
A 6% countywide increase does not prove your parcel should increase exactly 6%: individual appraisal depends on market area, physical characteristics, property condition, improvements and relevant sales.
Areas with stronger increases: county reporting identified parts of Olathe, Shawnee and portions of northeastern Johnson County among areas experiencing higher changes.
Kansas annual appraisal cycle

Johnson County 2026 Property Appraisal Calendar

Valuation date Property is appraised at fair market value as it exists on January 1.
2026 notices mailed Residential and commercial Notices of Appraised Value were mailed.
Informal appeal deadline The 30-day 2026 spring appeal window closed.
Informal hearings completed County calendar date for completion of real-property informal valuation appeals.
Tax statements County calendar date for mailing real-estate tax bills.
First-half / full tax Standard statutory payment date and major Payment Under Protest point.
Annual valuation matters: Kansas appraises taxable real property every year. Johnson County therefore sends a Notice of Appraised Value annually rather than waiting for a multi-year reassessment cycle.
Kansas statutory assessment classifications

Residential, Commercial, Vacant and Agricultural Assessment Rates

Residential Owner-occupied and rental residential real estate generally uses 11.5% of fair market appraised value.
Commercial / Industrial Commercial and industrial real estate generally uses a 25% assessment rate.
Vacant Lot Certain vacant real property is assessed at 12%.
Agricultural Land Agricultural land is assessed at 30% of economic-use value rather than ordinary open-market value.
Residential example: a $500,000 residential appraised value × 11.5% = $57,500 assessed value before the applicable mill levies and qualifying exemptions are considered.
Do not compare agricultural 30% directly with residential 11.5%: agricultural land begins with economic-use value, which is a different valuation base from residential fair market value.
Kansas property-tax formula

How to Calculate a Johnson County Property Tax Estimate

Appraised Value Example residential value:
$500,000
×
11.5% Residential statutory assessment percentage.
=
$57,500 Assessed Value Starting value used with applicable mill levies.
Assessed Value After applicable statutory exemptions and adjustments.
×
Mill Levy ÷ 1,000 Produces the applicable property tax.
One mill means $1 per $1,000 of assessed value. A 100-mill combined levy on $57,500 assessed value would equal $5,750 before considering any levy-specific exemptions or other charges.
Example only: Johnson County properties can sit in different cities, school districts and special districts. Use the parcel’s actual 2026 tax statement instead of borrowing a neighboring property’s levy.
Statewide school levy: Kansas provides a statutory residential exemption against the statewide school-finance levy. Because the exemption amount has changed through legislation over time, confirm the applicable 2026 calculation on the final tax record rather than relying on an older example.
2026 spring appeal is closed

Johnson County 2026 Property Value Appeal Options

SPRING ROUTE — CLOSED

Informal Appraisal Appeal

Johnson County mailed 2026 Notices of Appraised Value on February 25. Owners had 30 days to submit an informal appeal.

  • 2026 deadline: March 27
  • File through Appeal Portal or notice form
  • Participate in an informal hearing
  • Provide evidence supporting requested value
  • County cannot accept another valuation protest for the same tax year if this route was already used
FALL ROUTE — MAY REMAIN

Payment Under Protest

Owners who did not file the spring informal appeal may generally contest valuation when paying the property taxes.

  • Submit with appropriate tax payment
  • County generally accepts PUP beginning November 1
  • First-half statutory date is December 20
  • Escrow-paid accounts have a separate January 31 rule
  • Do not use if an informal appeal was already filed for the same year

Evidence to prepare before any valuation hearing

  • 2026 Notice of Appraised Value
  • Parcel, Quick Ref and property address
  • Recent comparable sales
  • Recent purchase and closing statement
  • Independent appraisal
  • Photos of significant property condition
  • Repair estimates for major structural defects
  • Correct building measurements and characteristics
Start by checking classification and property facts: Johnson County specifically recommends reviewing the classification, current and previous valuation, building measurements, construction date, rooms and relevant sales before disputing the value.
General maintenance is usually weak evidence by itself: focus on structural conditions, measurable factual errors, market sales and other issues that materially affect fair market value.
Open Johnson County Property Value Appeals Review county appeal rules, mailing instructions, Appeal Portal guidance and Payment Under Protest procedures.
Important route after missing March 27

Johnson County Payment Under Protest: What to Do Later in 2026

Wait for the 2026 bill Property-tax statements are normally mailed around November 15.
Confirm no spring appeal was filed Kansas permits only one protest of the value for a property during the tax year.
Open the PUP portal Johnson County provides an electronic Payment Under Protest route through its tax resources.
Search the correct property The county appeal system can identify property using Quick Ref, Parcel Number, address or owner.
Submit with payment A PUP sent without the appropriate payment, interest and applicable fees can be rejected.
Keep confirmation Save the payment receipt, PUP submission and evidence package for the hearing.
Do not file a Payment Under Protest now just because the March appeal passed: the protest is connected with payment of the applicable property tax. Follow the 2026 bill and county PUP instructions when that payment window opens.
Escrow accounts: when at least half of the taxes are paid by an escrow agent, Johnson County states the protest generally must be filed no later than the following January 31.
Two-payment Kansas real-estate schedule

Johnson County Property Tax Due Dates and Delinquency

November 15 Johnson County’s annual calendar lists this as the real-estate tax-bill mailing date.
December 20 Standard date to pay the first half or the full annual real-estate tax.
May 10 Standard due date for the second half when the annual bill was split.
July 31 Delinquent real-estate taxes remaining unpaid can be published and receive a publication fee.
First Tuesday in September: Johnson County states that a tax lien is placed on qualifying delinquent real estate and the redemption period begins. If taxes remain unpaid through the redemption process, the county can pursue foreclosure and auction.
Publication fee: real-estate tax remaining unpaid by July 31 can receive a $15 publication charge in addition to applicable interest.
Duplicate or wrong-property payment: only the party who made the payment can request a refund or transfer, and Johnson County reviews requests case by case.
“I need the current payoff or payment status for Johnson County Quick Reference __________ / Parcel __________. Please confirm the tax year, first-half and second-half status, interest, publication fee, foreclosure status and the exact amount required through my intended payment date.”
Review Johnson County Real Estate Taxes Confirm delinquency rules, Payment Under Protest timing, refund requests and current payment instructions.
County + Kansas state relief programs

Johnson County Property Tax Relief Programs for 2026

Johnson County 2026 pilot Expanded county program helped qualifying lower-income owner-occupants offset the county portion of residential property tax.
687 qualifying households Johnson County reports 687 households received 2026 relief payments.
$587.66 average payment County reporting lists this approximate average per eligible 2026 household.
Kansas Homestead State refund program for qualifying households under Kansas eligibility rules.
SAFESR Low-income senior homeowner program that refunds 75% of qualifying property taxes actually and timely paid.
Senior / Disabled Veteran SVR K-40SVR can refund the difference between qualifying current and base-year homestead property tax.

Johnson County pilot eligibility used for 2026

Property requirements Applicant had to reside in Johnson County, own and occupy the home, be current on property taxes and have a 2025 appraised home value no greater than $500,000.
Income requirements Household income had to fall at or below the program’s HUD Very Low Income limit for the household size.
Household size 2026 Johnson County pilot income limit
1 person$39,000
2 people$44,600
3 people$50,150
4 people$55,700
5 people$60,200
6 people$64,650
7 people$69,100
8 people$73,550
2026 county application window is closed: applications were accepted January 15 through April 15, 2026. Johnson County currently tells residents to check again in January 2027.
State refund timing: 2025 Kansas Homestead, SAFESR and SVR claims were generally due April 15, 2026. State rules can permit some late claims when good cause exists, so use the current Kansas Department of Revenue instructions instead of assuming every late claim is automatically barred.
Do not claim incompatible programs together: Kansas rules limit combinations of Homestead, SAFESR and SVR. The state filing system can help determine which refund is largest for an eligible claimant.
Open Johnson County Relief Programs Compare county, Homestead, SAFESR, SVR and participating city programs. Open Kansas Refund Programs Review current state forms, electronic filing and refund-advancement rules.
Business equipment, boats, aircraft and other movable property

Johnson County Personal Property Assessment Rules

January 1 listing date Taxable tangible personal property is listed and assessed in the owner’s name as of January 1.
March 15 rendition deadline Johnson County’s filing calendar uses March 15 as the ordinary deadline for personal-property renditions.
May 1 value notices Personal-property Notices of Appraised Value are mailed on or before May 1.
May 15 appeal deadline County calendar lists May 15 for personal-property valuation appeals.
Business equipment exemptions Qualifying commercial machinery/equipment purchased after June 30, 2006 can be exempt under Kansas rules.
$1,500 qualifying-item rule Qualifying commercial personal property originally costing $1,500 or less can be exempt.

Late personal-property rendition schedule

Filing period County-posted penalty
March 15–April 152%
April 16–May 174%
May 18–June 156%
June 16–July 158%
July 16–following March 1510%
As of August 7, 2026: a normally required 2026 personal-property rendition that remains unfiled is already in the county’s maximum posted late-filing tier. Contact the Appraiser instead of waiting for the tax bill.
Motor vehicles are different: automobiles and many recreational vehicles are classed and taxed through the vehicle registration process rather than the ordinary annual personal-property rendition.
Review Johnson County Personal Property Check taxable property examples, rendition requirements, exemptions, valuation and electronic filing information.
Mailing address is not the same as legal title

Change a Johnson County Mailing Address or Property Owner

Mailing-address correction Johnson County provides a Change of Mailing Address form for real estate and qualifying personal-property accounts.
Legal ownership Record the appropriate deed or other conveyance instrument through the Johnson County Register of Deeds.
1. Confirm current parcel Search the Appraiser record and save Quick Ref, KUP and Parcel Number.
2. Identify the issue Is the error the tax mailing destination or legal ownership?
3. Use the correct filing Submit an Appraiser address change or record a deed with the Register.
4. Recheck the record Verify ownership, tax mailing and future appraisal notices after processing.
Address form does not transfer title: changing where Johnson County sends appraisal or tax correspondence has no effect on who legally owns the property.
Change Mailing Address Use the official Johnson County Appraiser form for a house, land or eligible personal-property account.
2026 Register of Deeds technology transition

Search Johnson County KS Deeds, Mortgages, Plats and Releases

1920–present index Current subscription/public-record systems include substantial Johnson County land-record indexing from 1920 forward.
1920–1987 documents The county reports these older recorded document images are now available in its document library.
1866–present plats Johnson County states subdivision plats from 1866 forward are available.
Fall 2026 ERM launch The Register is transitioning to Enterprise Records Management with a new public-access system expected in fall 2026.
Start with the Appraiser record. Save the owner display, Parcel Number and property address.
Open Register of Deeds. Use the official Johnson County Register of Deeds page.
Check current public-record access. Johnson County is actively transitioning systems in 2026, so follow the current Document Library instructions rather than an old saved login page.
Search owner-name variations. Include prior owners, spouse, trust, company and lender names when researching a chain of title.
Match the legal description. Do not assume two documents belong to the same parcel based only on a similar mailing address.
Look for mortgage releases. A historical mortgage remains in the index; identify the later release or assignment before deciding whether it remains active.
Register service Current published charge What it covers
Deed / mortgage / other instrument $21 first page + $17 additional page Standard recording of many real-estate instruments.
Mortgage release / assignment Fee varies by referenced book/page and physical pages Check current county calculator/examples before filing.
Plat $32 per page Recorded subdivision and survey-type plat documents.
Document copy $0.25 per page Ordinary copy of a recorded document.
Certification $13 plus copy charge Certified copy when a formal authenticated record is required.
Walk-in recording: the Register accepts documents in person Monday–Friday, 8:00 a.m.–4:30 p.m., without an appointment. Mail and professional eRecording are also available.
Email and fax are not recording methods: the Register does not accept documents for recording by email or fax.
2026 system transition: new subscription sign-ups for the legacy Document Library stopped July 1, 2026. Current subscribers continue until the new ERM public-access system launches. The county says the forthcoming system will allow no-cost account creation and viewing of watermarked document images, with charges applying when users print or certify records.

Johnson County Appraiser, Treasurer and Register of Deeds Contacts

County Appraiser Carolyn Logan
Sunset Building
11811 S. Sunset Drive
Suite 2100
Olathe, KS 66061
913-715-9000
Appraiser fax 913-715-0010

Value, residential, commercial and personal-property questions should begin with the Appraiser’s Support Services team.
Johnson County Treasurer 111 S. Cherry Street
Suite 1200
Olathe, KS 66061
913-715-2600
taxinfo@jocogov.org
Register of Deeds Amy Meeker-Berg
111 S. Cherry Street
Suite 1200
Olathe, KS 66061
913-715-0775
Treasurer hours: the county currently lists Monday–Friday, 8:00 a.m.–5:00 p.m., except holidays.

Johnson County Property Search Problems and Practical Fixes

Problem What to do Correct office
Address search returns nothing Use house number and main street name only, then try Quick Ref, KUP or Parcel Number. Appraiser
Several similar parcels appear Compare Parcel Number, city, subdivision, owner and AIMS map location. Appraiser / AIMS
2026 value increased more than county average Check neighborhood model, sales, improvements and property characteristics rather than assuming the countywide 6% applies to every parcel. Appraiser
Building size or characteristics are wrong Document the correct measurement, construction details and supporting records. Appraiser
Missed March 27 informal appeal Determine whether Payment Under Protest remains available when paying the 2026 tax. Appraiser / Treasurer
Already filed spring appeal Continue that appeal route; do not file a second PUP valuation protest for the same year. Appraiser
2026 final tax amount is not available Wait for final mill levies and the November tax statement. Treasurer / Taxation
Tax search fails by owner Use Quick Reference ID or house number and street name. Treasurer
Paid wrong property Submit the county refund/transfer request with supporting documentation immediately. Treasurer
County relief payment never arrived Verify that the 2026 pilot application was approved and contact the county relief program. Treasury, Taxation and Vehicles
Personal-property rendition still unfiled File or contact the Appraiser promptly because late penalties already apply. Appraiser
AIMS 2026 aerial looks inaccurate Remember the county currently labels 2026 imagery preliminary; compare older imagery and final mapping later. AIMS
Need exact property boundary Use recorded plat/deed and a licensed surveyor rather than an online parcel outline. Register / surveyor
Cannot create legacy deed-search subscription Johnson County stopped new legacy subscriptions July 1, 2026 while preparing the new ERM public-access system. Register of Deeds
Old mortgage still appears Search for a later release or assignment before assuming the debt remains outstanding. Register / lender
“I’m reviewing Johnson County property Quick Ref __________ / Parcel __________ at __________. The 2026 Appraiser record shows __________, while my appraisal, closing documents, building measurements, photographs, tax statement or recorded document shows __________. Please confirm which office handles the correction, which deadline applies and what supporting documents you need.”
Official final-action links

Johnson County Property Action Center

Save the Quick Reference and Parcel Number first, then move into the correct official county system.

Search Property Values Address, Quick Ref, KUP and Parcel Number. Open AIMS Map Parcels, aerials, zoning and map layers. Search / Pay Taxes Current bills, prior bills and receipts. Research Deeds Recorded ownership, mortgages, releases and plats.
Exactly 10 Johnson County questions

Johnson County Assessor Property Search FAQs

1. How do I search Johnson County Kansas property records?

Use the Johnson County Appraiser Property Data page and open the Land Records Search. You can search by address, Quick Reference Number, KUP Number or Parcel Number. Verify the property, classification, appraised value and assessed value before opening the linked tax bill.

2. Is the Johnson County property assessor actually called the County Appraiser?

Yes. In Johnson County, Kansas, the official valuation office is the County Appraiser’s Office. The Appraiser discovers, lists and values taxable property. The Treasurer handles tax billing and collection.

3. What happened to Johnson County property values in 2026?

Johnson County reported an approximately 6% increase in total appraised and assessed values for 2026. Non-apartment residential values also increased about 6% on average, although individual properties can change by more or less.

4. What was the Johnson County 2026 property appeal deadline?

Johnson County mailed 2026 residential and commercial Notices of Appraised Value on February 25, and the informal appeal deadline was March 27, 2026.

5. Can I still appeal my Johnson County 2026 value after March 27?

If you did not already file an informal appeal for the 2026 tax year, Payment Under Protest may provide another county-level valuation challenge when you pay the property tax. Johnson County permits only one valuation protest per property per tax year.

6. How is residential assessed value calculated in Johnson County?

Kansas residential real estate is generally assessed at 11.5% of appraised fair market value. A $500,000 appraised home therefore has a $57,500 assessed value before applicable mill levies and levy-specific exemptions are applied.

7. When are Johnson County Kansas property taxes due?

The standard real-estate schedule uses December 20 for the first half or full payment and May 10 for the second half. Johnson County also states that deadlines falling on weekends or legal holidays extend to the next business day, so always check the current tax statement.

8. What property tax relief was available in Johnson County in 2026?

Johnson County expanded its local low-income property-tax relief pilot in 2026, and 687 households received payments averaging about $587.66. Kansas also administers Homestead, SAFESR and Senior or Disabled Veteran property-tax refund programs under separate eligibility rules.

9. Where can I view a Johnson County parcel map?

Use Johnson County AIMS Online Mapping. It can display parcel outlines, aerial imagery, zoning, flood information, building footprints and other GIS layers. The map is useful for research but is not a substitute for a professional boundary survey.

10. Where do I search Johnson County deeds and mortgage releases?

Use the Johnson County Register of Deeds. The office is transitioning to a new Enterprise Records Management public-access system during 2026, so use the current Register website for the latest search instructions rather than an old bookmarked subscription page.

Official Johnson County Kansas Property Sources

Johnson County Appraiser Valuation, notices, appeals, forms, market reports, deadlines and property information. Property Data Search Address, Quick Reference, KUP and Parcel Number lookup with current tax-bill links. AIMS Online Mapping Parcel outlines, property owners, imagery, zoning, flood zones and geographic layers. Johnson County Tax Office Current/prior tax statements, online payments and receipt printing. Property Tax Relief Johnson County pilot, Homestead, SAFESR, SVR and participating city programs. Register of Deeds Deeds, mortgages, releases, plats, recording fees and public-record access.
2026 information reviewed: February 25 Notice of Appraised Value mailing, March 27 appeal deadline, approximately 6% overall revaluation growth, 11.5% residential assessment ratio, AIMS preliminary 2026 imagery status, Payment Under Protest process, November/December/May tax calendar, online payment fees, 2026 county relief results, personal-property filing penalties and the Register of Deeds ERM transition.

CountyPropertyAppraiser.org is an independent informational website. It is not affiliated with Johnson County Kansas, the Johnson County Appraiser’s Office, Treasury Taxation and Vehicles, Johnson County Treasurer, Register of Deeds, AIMS, Kansas Department of Revenue, Kansas Board of Tax Appeals or any city, school district or other taxing jurisdiction.

Property values, mill levies, tax-relief thresholds, filing windows, payment fees, appeal procedures, land-record systems and office information can change. Confirm time-sensitive actions directly with the responsible official office before paying taxes, filing a protest, applying for relief, recording a deed or completing a property transaction.

Last reviewed: August 7, 2026.

Slug: johnson-county-assessor-property-search

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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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