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Resources  |  Property taxes  |  MO + KS

Check what you owe in property taxes, then see what you would walk away with

Official county lookups for Jackson, Clay, Platte, Johnson and Wyandotte, what "delinquent" means in each county, and a calculator for selling it yourself, listing with an agent, or taking a cash offer.

By Saving KC HomebuyersOct 11, 2026County rules checked Oct 11, 2026Market data: Sept 2026

Ernest Dodson is a Missouri-licensed real estate salesperson with Platinum Realty LLC, license #2023026433. Saving KC Homebuyers buys houses as an investor.

A property tax bill that goes unpaid does not turn into a lost house overnight. Missouri and Kansas both give owners years, not weeks, before a county can sell. But the clock, the fees, and the way out are different on each side of State Line Road, and even between neighboring Missouri counties.

Start with the number. Every county below offers a free official search that shows what is owed by year. Then read the timeline for your county, so you know which deadline actually applies to you. If you are weighing a sale, the calculator further down estimates what you would walk away with if you sell it yourself, list with an agent, or take a cash offer. It uses Saving KC's seller net sheet. Missouri and Kansas have no state transfer tax.

Key point

In Missouri, taxes unpaid on January 1 are delinquent (RSMo 140.010). In Kansas, the first half is due December 20 and the second half May 10 (K.S.A. 79-2004). What happens after that depends on your county.

Step 1

Look up what is owed in your county

Pick your county. Each button opens the county's own site in a new tab. We do not see or store what you search.

Why there is no search box on this page

All five county sites block being shown inside another website (they send an X-Frame-Options header) or need a browser session, and none publishes a public data feed for third-party sites. Linking out is the safe, official route. Details are in the method notes.

Free calculator

How much would you walk away with?

Slide the numbers to match your house. It works in your browser; nothing is saved or sent.

Your county

$

Subtracted in full on every path.

Estimates for planning. Missouri and Kansas have no state transfer tax, so none is included. Title and closing come from Saving KC's seller net sheet: escrow, recording, and title insurance, plus warranty, staging, and marketing only if you list. A listing or a sale you handle yourself includes three months of that county's tax, insurance, and utilities. A cash sale is 21 days, with the workbook's $0 seller closing costs. Your title company gives you the final numbers.

What the calculator does not know
  • Your real sale price. The slider is your estimate, not an appraisal or a price opinion.
  • Repairs, buyer credits, or a renovate-first sale. This view is the net after commissions, title and closing, carrying costs, the mortgage, and back taxes.
  • Your tax sale date. If a date is close, the timeline in Step 1 matters more than which card is higher.
  • Liens, probate, or title problems. Each can change the number a title company will use.
  • A cash offer you have not typed. That card stays blank until you enter one. It does not invent an investor price. A flat-fee MLS charge is not included, because the net sheet does not list one.
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From Saving KC Homebuyers. Separate from the resource above.
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Want a real cash number to compare?

We buy houses as-is in the Kansas City area as an investor. You can get a number, compare it with the other paths above, and decide later, or not at all.

See a cash offer → Call (816) 429-2900
Notes: Based on information from the Kansas City Regional Association of REALTORS® or Heartland MLS for the period September 1, 2026 through October 8, 2026.
Method and sources

How this resource works

Tax lookup and timelines
  • Links are the counties' own collector or treasurer sites, checked Oct 11, 2026. Timelines summarize the statutes and county pages cited under each county. They are general information, not legal advice, and county practice can change (for example, Jackson County canceled its August 2026 sale).
  • Live search on this page: not built. Jackson (publicaccessnow.com and payments.jacksongov.org), Clay (collector.claycountymo.gov), Johnson (taxbill.jocogov.org) and Wyandotte (appr.wycokck.org) send X-Frame-Options: SAMEORIGIN, which stops embedding. Jackson's search API needs a browser session; Johnson's site rate-limits detail pages; Wyandotte's delinquent-tax map layer needs a token. Platte's collector site did not respond to our test server. None offers a documented public API for other sites.
Calculator method
  • What it compares. Three ways to sell: sell it yourself (buyer's agent only), list with an agent (buyer's agent plus listing agent), and a cash sale at an offer you type. It does not score time, certainty, or effort, and it does not model a renovate-first sale. That was the previous version of this section.
  • Net = sale price − mortgage payoff − commissions − title and closing − carrying costs − back taxes you type. The sale price is the number you slide. It is not haircut by a county sale-to-list ratio.
  • Commissions start at 3% buyer's agent and 3% listing agent. Together those are the 6% seller commission on the "Client Net Sheet" tab (cells C15 and C36). Each slider runs from 0% to 6% in quarter-point steps. Sell-it-yourself uses only the buyer's agent percent. The cash path uses no commission.
  • Transfer tax is $0. The workbook has a 0.12% line. Missouri and Kansas have no state real estate transfer tax, so this calculator does not charge one and does not add a conveyance tax.
  • Title and closing, listing path (as-is net sheet): escrow $1,802.50, warranty, staging and marketing $1,350, recording $500, title insurance $596.13. Termite, HOA, and misc. lines on that sheet are $0. Combined and rounded to the nearest dollar, that is $4,249.
  • Title and closing, sell it yourself: the same escrow, recording, and title insurance ($2,898.63, shown as $2,899). Warranty, staging, and marketing stay off this path. The net sheet does not list a flat-fee MLS charge, so none is added.
  • Cash path: seller closing costs are $0, the workbook's cash-sale line. The price is the offer you type. Until you type one, that card does not estimate a price.
  • Carrying costs use the county you pick. The monthly rates are property tax, insurance, and utilities from the same holding-cost defaults as the rest of this tool (Census ACS 2024 median real estate taxes / 12, NAIC 2023 statewide HO-3 average / 12, EIA 2024 statewide utilities): Jackson MO $576, Clay MO $601, Platte MO $657, Johnson KS $727, Wyandotte KS $577. A listing or a sale you handle yourself includes 3 months. A cash sale includes 21 days, the workbook's cash-closing assumption. Each carrying line is monthly × days / 30, rounded to the nearest dollar. Mortgage interest during the wait is not added on top of the payoff.
  • Back taxes you type are subtracted in full on every path. This calculator does not also add the older tool's 12% annual interest assumption.
  • Most money marks the higher of sell-it-yourself and listing until you type a cash offer, then marks the highest of the three. A tie marks each path that matches that net.
  • County pills change the carrying costs. Until you move the sale-price slider, the price starts at that county's KCRAR / Heartland MLS median sale for September 2026, rounded to the slider's $1,000 step (Jackson $285,000, Clay $340,770 starts at $341,000, Platte $415,000, Johnson $470,000, Wyandotte $235,000).
  • Each combined cost is rounded to the nearest dollar so the lines on the card add up to the net. Nothing you type is saved or sent.
Sources

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