Yellowstone County Property Tax: Lookup, Pay & Rates Guide 2026

Yellowstone County, Montana • Lookup, pay, mills, due dates & property value help

Yellowstone County Property Tax Help: Search Your Bill, Pay Safely & Understand Montana Mill Levies

This guide helps Yellowstone County property owners look up tax bills, follow the official payment route, estimate taxes using taxable value and mills, understand due dates, separate county tax collection from Montana property appraisal, and avoid wrong-payment or delinquent-tax mistakes.

Treasurer
Bills & payments
DOR
Value & appraisal
Nov 30 / May 31
Common due dates
Mills
Rate system

🔒 Official Yellowstone County Property Tax Resources

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Yellowstone County Treasurer / property tax collection
Official county contact
Use for tax bills, payment posting, receipts, delinquent taxes, mailing instructions and payoff questions. Confirm the current phone, room, hours and payment methods from the official county website before visiting or mailing.
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Montana property appraisal / value questions
Montana DOR Property
Use for appraisal, valuation, property classification, reappraisal and state property tax explanations. The county treasurer collects taxes but generally does not set appraised value.
Safe-link rule: This guide uses stable official entry points instead of uncertain deep payment links. Before paying, follow the payment route printed on your official tax statement or reached from Yellowstone County’s official website.
01 — Start Here

Yellowstone County Property Tax Quick Answer for Montana Homeowners

Most people searching this topic want to find a property tax bill, pay the first or second installment, check a receipt, understand mills, compare values, verify a parcel/geocode, or find out whether the county or the state handles their question.

NeedBest Official RouteWhat to Do
Look up or pay tax billYellowstone County official websiteNavigate to Treasurer/property tax resources and use the tax statement details.
Parcel or geocode researchMontana CadastralSearch by address, owner, parcel or map location where available.
Property value or appraisal questionMontana Department of Revenue PropertyUse state property resources for valuation, classification and appraisal issues.
Estimate property taxTaxable value + total millsUse the calculator below with taxable value and total mills from the statement.
Late or delinquent taxCounty TreasurerConfirm exact payoff before paying because interest, penalty or fees may apply.
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Montana office rule: Yellowstone County Treasurer handles billing and collection. Montana Department of Revenue property resources handle appraisal/value-related questions.
02 — Lookup

How to Look Up Yellowstone County Property Tax Records Online

A good lookup starts with the right identifier. Tax statements may show parcel/geocode details, tax year, owner name, property address, levy district and installment amounts.

1
Start from the official Yellowstone County website
Use county-owned pages before entering payment details.

Open the official Yellowstone County website and navigate to Treasurer, property tax, tax search or payment resources. Do not start from a random “pay property tax” ad.

2
Use parcel, geocode or tax statement details if available
These are usually cleaner than address-only searches.

Use the geocode, parcel number, owner name, property address, tax year, bill number or legal description from the official statement. If you need parcel research first, use the Montana Cadastral official map/search resource.

3
Check first-half and second-half installments
Montana real property taxes are commonly split into two payments.

Confirm whether the record shows first-half tax, second-half tax, full-year amount, prior-year delinquency, penalty, interest or a paid receipt. Paying the wrong installment can create confusion later.

4
Use Montana DOR resources for value questions
Value issues are different from payment issues.

If the appraised value, taxable value, classification or reappraisal detail looks wrong, start with Montana Department of Revenue property resources. The county treasurer can help with bills and payment but generally does not set appraised value.

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Lookup tip: If an address search fails, try owner name, geocode/parcel, fewer street words, or the exact property description from the tax statement.
03 — Pay

How to Pay Yellowstone County Property Taxes Safely

Property tax payment is a high-risk task because you may enter bank or card information. Always start from the official county website or the payment route printed on your official tax statement.

Payment SituationBest RouteBefore You Submit
Current-year first-half taxOfficial county statement or Treasurer routeVerify geocode/parcel, owner, year, installment and amount due.
Current-year second-half taxOfficial county statement or Treasurer routeCheck whether first half has already been paid and whether second half remains due.
Online paymentYellowstone County official websiteConfirm the payment page is linked from the county website or printed on the statement.
Mail paymentMailing instructions on tax statementUse the correct coupon, installment and mailing address shown on the statement.
Delinquent or prior-year taxCounty Treasurer firstConfirm exact payoff because interest, penalties or costs may change.
1
Open the official county website or statement-listed payment route
Avoid generic payment pages.

Go to the official Yellowstone County website and navigate to Treasurer/property tax payment resources, or use the payment route printed on your official tax statement.

2
Match the property and installment
Do not pay the wrong parcel or tax half.

Before paying, match the owner, property address, geocode/parcel, tax year, first-half or second-half amount, and any penalty or interest. Use Montana Cadastral if you need to confirm parcel identity.

3
Review processing fees and posting timing
Online payments may show fees or timing rules.

Review payment method, convenience fee, confirmation screen, due date and posting rules before submitting. If the due date is close, pay early enough for processing and bank/card issues.

4
Save your receipt and proof
Useful for escrow, closing and delinquency questions.

Save the receipt, confirmation number, date, amount, tax year, installment and geocode/parcel details. If your mortgage company pays taxes, keep lender proof and county receipt status together.

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Payment safety tip: If a payment page is not linked from Yellowstone County’s official website or printed on your tax statement, do not enter card or bank details until the Treasurer’s Office confirms it.
04 — Calculator

Yellowstone County Property Tax Calculator: Estimate Tax from Taxable Value and Mills

Montana property tax estimates commonly use taxable value and total mills. This calculator is for planning only. Your official Yellowstone County tax statement controls the final amount due.

Enter taxable value, total mills and any credits/reductions to estimate annual property tax.
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How to use it: Get taxable value and mill information from your tax statement or official property resources. For value/appraisal questions, use Montana Department of Revenue property resources.
Calculator InputWhere to Find ItImportant Note
Taxable valueTax statement / Montana property resourcesTaxable value is not always the same as market value or appraised value.
Total millsTax statement / levy district detailsTotal mills vary by county, city, school district and special districts.
Credits or reductionsTax statement or official program noticeOnly enter confirmed credits or reductions shown by official sources.
Final tax dueOfficial Yellowstone County tax statementThe official statement controls the actual amount, due date and payment route.
05 — Rates

Yellowstone County Property Tax Rates: Mills, Taxable Value and Levy Districts

There is no single Yellowstone County property tax rate for every parcel. Montana property taxes are driven by taxable value and the total mill levy for the property’s taxing jurisdictions.

County mills

County government levies can be one part of the total mill rate, but not the whole bill.

City and school mills

Billings, Laurel, school districts and other local jurisdictions can change the total tax.

Special districts

Fire, water, lighting, rural improvement or other district charges may affect specific parcels.

Bill ItemWhat It MeansWho to Ask
Market/appraised valueValue determined for property taxation purposes.Montana Department of Revenue Property
Taxable valueValue used with mills to estimate tax.Montana property resources or official tax statement.
Total millsCombined mill levy for county, city, school and special districts.Tax statement, county treasurer or local taxing jurisdiction.
Installment amountFirst-half or second-half payment due.Yellowstone County Treasurer.
Penalty / interestAdded after missed deadlines or delinquency.Yellowstone County Treasurer before paying.
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Rate tip: Do not compare only “Yellowstone County” as a whole. Two properties in the county can have different total mills if they are in different school, city, fire, water or improvement districts.
06 — Due Dates

Yellowstone County Property Tax Due Dates and Delinquent-Payment Basics

Montana real property taxes are commonly paid in two installments. Always confirm current-year due dates, weekend/holiday rules and payment instructions on the official Yellowstone County tax statement.

InstallmentCommon Montana TimingWhat to Verify
First halfGenerally due November 30Exact due date, payment method and whether weekend/holiday rules apply.
Second halfGenerally due May 31Whether first half was paid and the exact second-half amount.
Full-year paymentMay be paid together depending on statement instructionsFull balance, tax year and statement instructions.
Delinquent taxesAfter missed deadlinePenalty, interest, costs and exact payoff before paying.
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Deadline warning: If you are close to a due date or already late, confirm the exact payoff and accepted payment method with the Yellowstone County Treasurer route before submitting payment.
07 — Value, Appraisal & Bill Problems

What to Do If Your Yellowstone County Property Tax Bill Looks Too High

A high bill can come from increased appraised value, changed taxable value, higher mills, school or district levies, special assessments, prior-year balances, late fees or escrow confusion.

Value problem

Use Montana DOR property resources for appraisal and valuation questions.

Tax bill problem

Use the county treasurer route for balances, receipts, installments and payment posting.

District charge problem

Identify the exact levy, district or charge before calling so the office can route you correctly.

1
Compare taxable value and total mills first
This tells you what changed.

Compare this year’s statement with last year’s statement. Look at market/appraised value, taxable value, total mills, district charges, first-half amount, second-half amount and any delinquent balance.

2
Use the state route for value and classification questions
The treasurer generally cannot change appraised value.

For appraisal, classification, value notice or reappraisal questions, use Montana Department of Revenue property resources rather than the tax payment office.

3
Call the treasurer for payment or delinquency issues
Payment problems need the collection office.

If the issue is receipt, payoff, installment status, mailing error, escrow confusion, penalty, interest or duplicate payment, use the Yellowstone County Treasurer route from the official county website.

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New owner tip: Closing prorations do not always mean the county tax bill has been paid. After purchase, verify the tax statement, mortgage escrow responsibility and county receipt status yourself.
08 — Address, Map & Office Help

Yellowstone County Property Tax Contact Guide

Use the correct official route based on the problem. Payment, delinquency and receipt questions are different from value, appraisal and parcel research questions.

Yellowstone County Treasurer

Start from: yellowstonecountymt.gov

Common office area: 217 N 27th Street, Billings, MT 59101.

Use for property tax bills, payment status, receipts, installments, mailing/payment instructions and delinquent tax questions.

Montana Department of Revenue Property

mtrevenue.gov/property

Use for appraised value, property classification, valuation notices, reappraisal and state property tax explanations.

Montana Cadastral

Official cadastral map/search

Use for parcel, geocode, map and property-location research before calling or paying.

Official Tax Statement

Use the statement for tax year, property ID, due dates, installment amounts, payment route and penalty instructions.

ProblemBest Contact RoutePrepare Before Calling
Need balance or receiptYellowstone County Treasurer routeTax year, geocode/parcel, owner, installment, payment date and confirmation number.
Value seems too highMontana DOR property resourcesValue notice, property details, comparable sales, condition evidence and parcel/geocode.
Mortgage company should have paidMortgage servicer + county treasurer routeEscrow statement, lender proof, tax statement and receipt status.
Parcel or geocode confusionMontana Cadastral + county resourcesAddress, owner name, parcel map, legal description and tax statement.
Late or delinquent taxesCounty treasurer routeTax year, payoff amount, notice, penalty/interest details and payment method.
09 — Map

Map to Yellowstone County Government Office Area in Billings

For county treasurer and property tax office reference, Yellowstone County government offices are commonly associated with the courthouse/government area around 217 N 27th Street, Billings, MT 59101. Confirm the exact office, room, hours and accepted payment methods before visiting.

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Visit tip: Bring your official tax statement, geocode/parcel number, owner ID if needed, payment method, escrow paperwork and any prior receipt. Call or verify online first if you need delinquent payoff.
Practical Owner Tips

Yellowstone County Property Tax Tips That Prevent Wrong Payments, Missed Installments and Value Confusion

These tips help homeowners, landlords, escrow users, new buyers, ranch/property owners and Billings-area taxpayers manage property tax with fewer mistakes.

Tip 01

Check both tax halves

Montana real property tax is commonly split into first-half and second-half payments. Confirm which installment remains due.

Tip 02

Use geocode or parcel details

Address searches can fail or return similar properties. Geocode, parcel or tax statement details are more precise.

Tip 03

Separate value issues from payment issues

The treasurer handles bills and collection. Montana property appraisal resources handle value and classification questions.

Tip 04

Verify escrow before paying

If your lender pays taxes, confirm whether it paid first half, second half, or both before paying directly.

Tip 05

Call before delinquent payoff

Penalty, interest and costs can change the amount due. Confirm exact payoff before mailing or paying online.

Tip 06

Compare total mills, not just value

A bill can rise because total mills changed, even if value did not change as much as expected.

10 — FAQs

Yellowstone County Property Tax Lookup, Payment, Rate and Due Date FAQs

These FAQs answer the real search intent behind “Yellowstone County property tax”: lookup, pay online, due dates, mills, taxable value, appraisal, delinquency and official resource routing.

Q
How do I look up Yellowstone County property taxes?

Start from the official Yellowstone County website and navigate to Treasurer or property tax resources. Use owner name, address, geocode, parcel number, tax year or bill details from your tax statement.

Q
Where do I pay Yellowstone County property taxes online?

Use the payment route printed on your official tax statement or start from the Yellowstone County official website. Avoid random payment pages unless the county confirms they are authorized.

Q
Who collects property taxes in Yellowstone County?

The Yellowstone County Treasurer is the county route commonly used for tax bills, payments, receipts and delinquent-tax questions. Property value and appraisal questions generally route through Montana Department of Revenue property resources.

Q
When are Yellowstone County property taxes due?

Montana real property taxes are commonly billed in two installments, with first-half taxes generally due November 30 and second-half taxes generally due May 31. Confirm exact current-year deadlines on your official tax statement.

Q
How are Yellowstone County property taxes calculated?

A simplified estimate is taxable value multiplied by total mills, divided by 1,000. Final tax can vary because of property classification, local mills, special districts, credits and fees.

Q
What is the Yellowstone County property tax rate?

There is no single countywide total rate for every parcel. Your total mill levy depends on county, city, school, fire, water, lighting, improvement and other taxing jurisdictions for the property.

Q
Who handles property value questions in Yellowstone County?

Property appraisal, valuation and classification questions generally start with Montana Department of Revenue property resources. The county treasurer generally handles billing and collection, not appraisal.

Q
What should I do if my Yellowstone County tax bill looks too high?

Check taxable value, total mills, levy district, school/city/special district charges, prior-year balances, installment status and escrow records. Use Montana property resources for value issues and the county treasurer route for bill/payment issues.

Q
Is PropertyTaxUSA.org the official Yellowstone County tax website?

No. PropertyTaxUSA.org is an independent informational guide. Always confirm balances, due dates, payment status, penalties, mills, taxable value and official payment routes with Yellowstone County or Montana government resources.

Final Takeaway

For Yellowstone County property tax lookup and payment, start from the official Yellowstone County website or the payment route printed on your tax statement. For appraised value, property classification and Montana property tax rules, use Montana Department of Revenue property resources. For parcel/geocode research, use Montana Cadastral.

Independent guide notice: PropertyTaxUSA.org is not affiliated with Yellowstone County, the Yellowstone County Treasurer, Montana Department of Revenue, Montana Cadastral, or any government agency. Always confirm current balances, payment status, due dates, penalties, mill levies, taxable values and payment methods with official resources before paying.

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