Flathead County MT Parcel, Valuation & Tax Navigator
Flathead County Parcel Search, Montana Property Values, GIS & Tax Records
Searching for a “Flathead County assessor” works differently than it does in many states. Montana’s Department of Revenue Property Assessment Division determines taxable property values and classifications. Flathead County then supplies parcel and land-record tools through GIS and the Plat Room, while the county Property Tax Office prepares bills, accepts payments and manages delinquency.
This 2026 guide connects those systems. You can search by Assessor number, owner, property address, geocode, subdivision or section-township-range; confirm DOR appraisal information; understand Montana’s new 2026 reduced tax rates for principal residences and long-term rentals; prepare for the November tax installment; research surveys and deeds; and find the correct appeal or assistance route without treating every property question as an “Assessor” task.
Search Assessor #, owner, address or geocode
Montana DOR determines property value
2026 homestead tax rates changed
Next real-property installment: November 30
FLATHEAD PROPERTY RECORD
Assessor number
Match
Geocode
Verify
Market value
Review
2026 tax class
Check
GEOCODE → VALUE → TAX DISTRICT
2026 RATE STRUCTURE ACTIVE
Valuation authority
Montana DOR
Next tax due
November 30, 2026
Verified
August 11, 2026
Current August 2026 action list
What Flathead County Property Owners Should Handle Now
The ordinary 2026 informal-review extension has passed. Montana used a 2025-2026 valuation cycle. Owners received classification and appraisal notices in 2025, and taxpayers who missed their original 30-day review deadline were allowed to request a Tax Year 2026-only informal review through June 1, 2026.
The more immediate August tasks are different: confirm your 2026 Homestead or Long-Term Rental reduced-rate enrollment, enroll now for 2027 if needed, consider Flathead County’s seven-payment alternative schedule before its September 30 application deadline, and prepare for the November 30, 2026 first-half real-property tax installment.
If you already filed an AB-26 informal review and recently received a DOR decision, you may still have a separate 30-day County Tax Appeal Board filing period. Use the decision date rather than assuming every appeal opportunity ended June 1.
NEXT MAJOR COUNTY DEADLINE
SEP
30
7-PAYMENT PLAN APPLICATION
Primary residence
Verify whether the parcel has the new Homestead Reduced Rate for 2026 and enroll for 2027 if ownership or occupancy changed.
Want smaller tax installments?
Eligible primary-residence owners can apply by September 30 to replace two large installments with seven monthly payments from November through May.
Recent DOR appeal decision
A County Tax Appeal Board appeal generally must be filed within 30 days after receiving the DOR’s informal-review decision.
Montana terminology matters: Flathead County does not perform the market appraisal through a traditional elected county assessor. The Montana Department of Revenue determines market value, classification, exemptions and taxable value. The county uses that information to calculate and collect property tax.
Four-part property record system
Montana DOR vs Flathead Property Tax vs Plat Room vs Clerk & Recorder
Montana Department of Revenue
- Market appraisal
- Property classification
- Taxable value
- Property characteristics
- AB-26 informal review
- PTAP
- Disabled Veteran assistance
- Homestead reduced rate
Flathead Property Tax Office
- Tax statements
- November / May installments
- Online payment
- Tax history
- Delinquent payoff
- Payment under protest
- Alternative payment plan
- Tax liens
Plat Room / Surveyor
- Ownership records
- Survey records
- Certificates of Survey
- Subdivision plats
- Legal-description review
- Situs addresses
- Mailing address updates
- Tract data
Clerk & Recorder
- Recorded deeds
- Mortgages
- Liens
- Reconveyances
- Realty Transfer Certificates
- Certified copies
- Document Alert
- Historic indexes
Fast route: value or tax class → Montana DOR; tax balance or payment → county Property Tax Office; parcel/survey/address → Plat Room or GIS; deed/title document → Clerk & Recorder.
Choose Your Flathead County Property Task
Search a property
Use iTax for Assessor number, owner, address, geocode, subdivision or section-township-range.
See parcel geography
Use Flathead County’s Interactive Mapping Application for ownership, parcel boundaries, districts and surveys.
Verify market value
Use Property.MT.gov for DOR appraisal characteristics, market value and geocode information.
Check 2026 tax rate
Determine whether the property is a homestead, long-term rental, second home, short-term rental or other classification.
Pay property taxes
Review the current bill and November/May installment status through Flathead County.
Find a deed or survey
Use Clerk & Recorder records for the deed and Flathead’s Plat Room / GIS for surveys and plats.
Fastest owner / parcel / tax lookup
How to Search Flathead County Property Records in iTax
Flathead County’s Tyler iTax system is one of the most useful public property-search tools because it combines parcel identifiers with county tax information.
Use only one search criterion first.
Flathead’s current search page specifically warns that entering several criteria at once can create an incomplete result.
Try Assessor # when you know it.
The county commonly uses the Assessor number as a property reference in land, tax and permit workflows.
Otherwise search owner name.
The county example uses surname first, such as “Jones Steve” or simply “Jones.”
Try property address.
Select the relevant city when required and simplify the address if the exact formatting returns nothing.
Use geocode for a precise Montana identifier.
A geocode can connect DOR appraisal records, homestead enrollment and county parcel research.
Use subdivision, block and lot when researching platted property.
This can be more reliable than an owner search after a recent sale.
Open the tax/property account and save identifiers.
Record the Assessor number, geocode, owner, address and tax-year information before switching systems.
Nightly updates: Flathead County states that its online property-tax data is updated nightly from Treasurer records. A recently recorded transfer can still take additional processing time through the Recorder, Plat Room and DOR workflow.
Premier county land-record map
How to Use Flathead County GIS Interactive Mapping
Flathead County describes its Interactive Mapping Application as its premier source for land-record information. The map can show parcel ownership, addresses, district boundaries, surveys, subdivision information and links to appraisal data.
Owner
Parcel ownership
Address
Situs search
Assessor #
Local ID
Tract ID
Parcel reference
Subdivision
Plat research
Surveys
COS links
Open the Interactive Mapping Application.
This is the county’s main parcel-oriented mapping tool.
Search the address.
If no address is assigned, use Property Search and try Assessor number, owner name, subdivision, tract ID or geocode.
Open the parcel information report.
Use it to review ownership and district information tied to the mapped parcel.
Check survey links.
The GIS system can link to surveys of record and subdivision information.
Do not use the GIS line as a legal survey.
Flathead’s GIS service itself warns that parcel accuracy varies and depends on the underlying base-map and survey data.
Flathead County Property Search Field Decoder
| Search field |
Best use |
What to know |
| Assessor # |
Primary local property reference. |
Used across Flathead tax and land workflows even though valuation is performed by Montana DOR. |
| Owner Name |
Find parcels associated with a taxpayer. |
Try surname first and verify recent transfers against recorded deeds. |
| Property Address |
Fast home/business search. |
Rural parcels may lack a conventional address. |
| Geocode |
Montana property identifier. |
Very useful for DOR appraisal and homestead enrollment verification. |
| Subdivision / Block / Lot |
Platted subdivision property. |
Helpful when owner information has changed. |
| Section / Township / Range |
Rural acreage research. |
Use with survey and legal-description records. |
| Tract ID |
Flathead GIS/Plat Room parcel linkage. |
Flathead GIS parcel datasets use TRACT_ID as a parcel identifier. |
Official appraisal authority
How to Check Flathead County Property Value on Property.MT.gov
The Montana Department of Revenue values taxable property at 100% of market value and supplies the taxable values used by county governments. Property.MT.gov is therefore the important second lookup after the Flathead parcel search.
Search the owner or property address.
Select the correct Flathead County result.
Save the geocode.
This identifier is useful for homestead verification, appraisal review and county research.
Review physical characteristics.
Check square footage, bedrooms, bathrooms and other property details against the actual property.
Review value history.
Compare the current 2025-2026 valuation-cycle market value with prior values.
Identify the tax classification.
In 2026, classification and occupancy can materially change the tax rate applied to residential property.
Current valuation cycle: the 2025-2026 Montana valuation cycle uses a January 1, 2024 valuation date for the real-property appraisal process.
Flathead County Property Record Decoder
| Property field |
What it means |
Best verification source |
| Assessor Number |
Flathead local property-account identifier. |
iTax / GIS |
| Geocode |
Montana property identifier used in statewide systems. |
Property.MT.gov |
| Owner |
Ownership name reflected in current administrative records. |
Recorded deed for legal title |
| Market Value |
DOR appraisal at 100% market value for tax-assessment purposes. |
Montana DOR |
| Taxable Value |
Value after the statutory property-class tax rate and applicable assistance adjustments. |
DOR / tax bill |
| Homestead Status |
Whether a qualifying primary residence receives the reduced residential rate. |
Homestead.mt.gov |
| Long-Term Rental Status |
Qualifying residential rental classification under Montana’s new rate structure. |
Montana DOR |
| Subdivision / Lot |
Platted legal geography. |
Plat Room / recorded plat |
| TRACT_ID |
Flathead GIS parcel identifier. |
GIS |
| Mill Levy |
Local levy applied to taxable value. |
Tax statement |
Major Montana change for Tax Year 2026
2026 Flathead County Residential Property Tax Rates
Montana changed the Class 4 residential tax structure for 2026. Qualifying principal residences and qualifying long-term rentals use a progressive tiered rate, while many second homes, short-term rentals and vacant residential lots use a higher flat rate.
0.76%
First $378,000
For qualifying principal residences and long-term rentals, the first $378,000 of market value is taxed at 0.76%.
0.90%
$378,001–$756,000
Only the portion of qualifying market value in this bracket receives the 0.90% rate.
1.10%
$756,001–$1,511,999
The qualifying value portion in this tier receives the 1.10% tax rate.
1.90%
$1,512,000+
The value above the top threshold is taxed at 1.90%.
Tiered means incremental. A $900,000 qualifying homestead is not taxed entirely at 1.10%. Different portions of its market value fall into the 0.76%, 0.90% and 1.10% brackets.
Second home
Standard non-primary residential property generally uses a flat 1.90% tax rate.
Short-term rental
VRBO, Airbnb, cabin and similar non-long-term rental property generally uses the 1.90% residential rate.
Vacant residential lot
Montana’s 2026 guidance lists vacant residential lots under the flat 1.90% rate.
Long-term multifamily
Multifamily dwellings used as qualifying long-term rentals use a flat 1.10% rate.
Qualified agricultural land
Qualified agricultural land uses a 2.05% land rate, with different dwelling rules depending on occupancy.
Forest land
Forest land uses a 0.37% land rate, with separate rules for a dwelling and one-acre homesite.
Principal-residence reduced rate
Flathead County Homestead Reduced Tax Rate in 2026
Montana’s new Homestead Reduced Rate is a property-tax classification—not the same thing as recording a Montana homestead declaration for creditor protection.
Live there at least seven months
The property must be the owner’s principal residence for at least seven months of the year.
Eligible ownership
Individuals, couples and qualifying revocable grantor trusts can qualify.
Taxes must be current
Prior property taxes must be paid, and current-year payment requirements must be satisfied.
Only one principal residence
A taxpayer generally cannot claim Montana’s reduced principal-residence rate on multiple homes.
2026 enrollment is closed
The final 2026 enrollment deadline was March 20, 2026.
2027 enrollment is open
The current enrollment window runs from May 4, 2026 through March 1, 2027.
Automatic 2026 enrollment: taxpayers who received the 2025 Montana property-tax rebate and still own and occupy the same home for at least seven months of 2026 generally qualify automatically for the 2026 reduced rate.
Bought a home after the 2026 deadline? If the property was not already enrolled, it may be taxed at the standard 1.90% rate for 2026. Montana’s current guidance describes a possible refund process beginning in 2027 for qualifying new homeowners who meet the occupancy rules and pay 2026 taxes in full.
2025-2026 valuation cycle
How Flathead County Property Value Appeals Work
DOR Review
Contact the Kalispell Property Assessment field office and verify property characteristics.
Informal Review
File Form AB-26 within the applicable deadline when disputing classification or appraisal.
County Tax Appeal Board
Formal county appeals are filed through the county Clerk & Recorder.
Montana Tax Appeal Board
Appeal a CTAB decision to MTAB within the applicable 30-day period.
Current August 2026 status: Montana’s special late informal-review deadline for Tax Year 2026 was June 1, 2026. That deadline has passed. A taxpayer who recently received a DOR informal-review decision may, however, have 30 days from receipt of that decision to file a County Tax Appeal Board appeal.
Evidence Montana specifically identifies as useful
Your market-value estimate
Explain the property’s value as of January 1, 2024, the valuation date for the 2025-2026 cycle.
Recent purchase
A purchase within roughly six months of the valuation date can be useful when it represents the market.
Fee appraisal
A professional appraisal close to the January 1, 2024 valuation date can support the requested value.
Comparable sales / listings
Use relevant properties and explain differences rather than submitting raw addresses.
Construction cost
Builder cost breakdowns can support remodel or construction disputes.
Income / expenses
Commercial and income-producing properties can use detailed operating information.
Physical property error? Contact the DOR directly. The Montana Tax Appeal Board explains that it does not employ appraisers and cannot itself correct square footage, bedrooms, bathrooms or other property-record-card characteristics.
Flathead County real-property tax cycle
2026 Flathead County Property Tax Calendar
Ownership snapshot
County tax records use January 1 ownership for the taxing year.
Payment-plan application
Deadline for the seven-month primary-residence payment schedule.
Real-property bill
Flathead County mails annual real-property tax statements.
First half due
First installment of the 2026 real-property tax bill.
Second half due
Second installment is statutorily due the following May, subject to the county’s weekend/holiday rule.
No second May statement: Flathead County specifically warns that it does not mail a second statement for the May installment of real estate taxes. Keep the original annual bill or use the online account.
Weekend or holiday: when a statutory due date falls on a weekend or holiday, Flathead County allows payment by the next business day under its published rule. Always verify the live account before paying.
County Treasurer / Property Tax
How to Pay Flathead County Property Taxes
Search one property criterion.
Use Assessor number, owner, address, geocode or another available property identifier.
Verify tax year and owner.
Remember that the bill can still show the January 1 owner even if the property sold later during the year.
Review both installments.
Check the November and May status before paying the full balance.
Choose the payment method.
Flathead accepts online credit-card and eCheck payments and also accepts payment in person or by mail.
Do not attempt a phone payment.
The county’s current Property Tax page states that property-tax payments are not accepted by telephone.
Save your receipt.
Retain tax year, Assessor number, amount, date and confirmation.
Property Tax Office
290 A North Main
Kalispell, MT 59901
Mailing proof
Flathead County uses the official U.S. Postal Service postmark as proof of mailing date.
Deadline: September 30
Flathead County Seven-Month Primary Residence Tax Payment Schedule
Montana law allows qualifying primary-residence owners to request an alternative property-tax payment schedule. Flathead County currently accepts applications through September 30 of the taxing year.
Normal schedule
Two large installments: November and May.
Alternative schedule
Seven monthly payments spanning November 30 through May 31.
Primary residence
The statutory option is for qualifying owner-occupied primary residences.
August action: unlike several 2026 Montana relief programs whose filing dates have already passed, the September 30 Flathead alternative-payment deadline is still ahead. This can be useful for homeowners who want to avoid two large lump-sum installments.
Open Flathead Property Tax Options
Find the current alternative-payment application and Property Tax Office contact information.
2026 Montana assistance programs
Property Tax Assistance for Flathead County Homeowners
PTAP
Low- and limited-income homeowners can receive a 30%, 50% or 80% reduction of the normal tax rate on the first $418,000 of qualifying primary-residence market value.
Disabled Veteran Assistance
Qualifying veterans with a 100% service-connected disability, or certain surviving spouses, can receive a reduced property-tax rate.
Disabled First Responder Assistance
Qualifying firefighters, law-enforcement officers, volunteer emergency care providers and eligible surviving spouses may qualify.
Land Value Assistance
Long-held family property may qualify when DOR land value is disproportionately high compared with the home and improvements.
Elderly Homeowner/Renter Credit
Eligible Montanans age 62+ may qualify for a refundable income-tax credit of up to $1,150.
Homestead Reduced Rate
This is separate from PTAP and changes the underlying 2026 Class 4 tax rate for qualifying principal residences.
2026 PTAP income limits
| Filing status |
Maximum 2024 FAGI for Tax Year 2026 |
Benefit range |
| Single |
$29,037 |
30%, 50% or 80% rate reduction depending on income |
| Married / Head of Household |
$38,917 |
30%, 50% or 80% rate reduction depending on income |
PTAP and MDV filing dates: the normal Tax Year 2026 application deadline was April 15. Flathead owners who missed it should use current DOR guidance for the next tax year rather than mailing a stale 2026 application.
Montana Property Tax Help
Compare PTAP, Disabled Veteran, First Responder, land-value and other current relief programs.
Rural Flathead County parcels
2026 Agricultural and Forest Land Tax Rates
Qualified agricultural land
Montana’s 2026 guidance lists a 2.05% flat land rate. Parcels of 160+ acres can qualify automatically, while smaller parcels generally require evidence of qualifying agricultural use and income.
Non-qualified agricultural land
The 2026 rate is 14.35% for the land component, with separate rules for a dwelling and one-acre homesite.
Forest land
Montana lists a 0.37% land tax rate, with separate residential classification rules when a dwelling is present.
Home on ag/forest property: the home and one-acre homesite can receive a residential rate different from the surrounding agricultural or forest land. Do not calculate the entire parcel with one percentage without checking the DOR classification.
Interest, penalty and lien timeline
What Happens if Flathead County Property Taxes Are Late?
Monthly interest
Delinquent property tax accrues interest at 5/6 of 1% per month.
One-time penalty
Flathead County also lists a 2% one-time penalty on the unpaid balance.
First-half delinquency
Unpaid first-half tax becomes delinquent after November 30.
Second-half delinquency
Unpaid second-half tax becomes delinquent after May 31.
Late June
The county publishes notice of pending attachment of a tax lien.
Early August
A tax lien can attach to qualifying delinquent property after the required notice process.
Get a live payoff. Flathead County specifically advises owners with delinquent taxes to contact the Property Tax Office for the current payoff amount before paying. Do not use only the balance from an old tax statement.
“Please give me the complete current payoff for Flathead County Assessor number __________ / geocode __________, including every delinquent installment, monthly interest, one-time penalty, tax-lien status and the amount required to make the account current today.”
Recorded ownership documents
How to Search Flathead County Deeds, Mortgages and Liens
The Clerk & Recorder is Flathead County’s official records repository. Current online recorded-document access is divided into two databases based on recording date.
Identify parcel
Save Assessor number, geocode, owner, tract and legal-description clues.
Choose record era
Use iDocMarket for records from 1984 forward or County Record Archives for earlier records.
Match document
Review names, document type, recording date and legal description.
Order official copy
Request plain or certified copies when needed.
1984 to present
iDocMarket online database.
Before 1984
Flathead County Record Archives.
Research library
In-person research is available Monday-Friday, 8:00 a.m.-5:00 p.m.
| Copy |
Current county fee |
| Non-certified document copy |
50¢ first page + 25¢ each additional page per document |
| Certification |
$2 certification fee plus normal copy fees |
| Full-size Certificate of Survey |
$3 |
| Full-size plat |
$5 |
Recorded deed requirement: Flathead County states that every deed presented for recording must be accompanied by a properly executed Realty Transfer Certificate. The RTC helps determine tax-bill recipient and water-right ownership information, but the RTC itself does not transfer title.
Open Flathead Recorded Documents
Choose the correct online index or obtain a document-request form.
Plat Room + survey records
Flathead County Surveys, Plats and Legal Description Research
The Flathead County Plat Room and Surveyor’s Office is the county’s official source for land-ownership and survey records. It works closely with the Clerk & Recorder and GIS departments.
Certificates of Survey
Research recorded COS documents and survey history.
Subdivision plats
Review lots, blocks and recorded subdivision geography.
Legal description review
Documents containing legal descriptions must receive same-day Plat Room approval before recording.
Ownership data
The Plat Room maintains current land-ownership information used in county workflows.
Address information
The office participates in mailing and situs address assignments and updates.
Montana survey law
Staff can provide information about survey-record requirements, though not private legal advice.
Plat Room location
800 South Main Street
Room 105
Kalispell, MT 59901
Hours
Monday-Friday
8:00 a.m.-5:00 p.m.
Free fraud-monitoring tool
Use Flathead County Document Alert to Monitor New Recordings
The Clerk & Recorder offers a free Document Alert service through iDocMarket. It can email you when a newly recorded document matches criteria you saved.
- Create an iDocMarket account
- Select Flathead County
- Add grantor or grantee names
- Add legal-description or parcel criteria
- Save up to five conditions per alert
- Review unexpected recordings promptly
Alert—not prevention: the service sends notice after a matching document is recorded. It does not block a document from being recorded and does not determine whether a filing is fraudulent.
Open Flathead Document Alert
Follow the county’s current signup instructions.
Flathead County Property Search Problems and Best Fixes
| Problem |
Best fix |
Correct system |
| No result when several fields are entered |
Use only one search criterion; the county warns multiple criteria can create incomplete results. |
iTax |
| Owner name differs after recent sale |
Search the recorded deed and remember county tax bills use the January 1 ownership snapshot. |
Recorder / Tax |
| Rural parcel has no address |
Use Assessor number, geocode, tract ID, owner, subdivision or section-township-range. |
GIS / iTax |
| House size or characteristics are wrong |
Contact the Montana DOR Kalispell field office; tax appeal boards cannot directly edit the DOR property card. |
DOR |
| 2026 value seems too high |
Determine whether an AB-26/CTAB deadline is still open based on your notice or decision date. |
DOR / CTAB |
| Tax is much higher than expected |
Verify 2026 homestead/long-term-rental status before blaming market value alone. |
DOR / Homestead |
| Second home rate appears |
Check whether the property actually qualified and enrolled as a principal residence or long-term rental. |
DOR |
| Need smaller payments |
Apply for Flathead County’s seven-payment primary-residence option by September 30. |
Property Tax Office |
| May bill never arrived |
The county does not send a second May real-property statement; use the original bill or online tax account. |
iTax |
| Old delinquent balance differs from statement |
Request current payoff including monthly interest and one-time penalty. |
Property Tax Office |
| Need exact boundary |
Use recorded surveys and a professional land surveyor rather than relying on GIS parcel polygons. |
Plat Room |
| Need a pre-1984 deed |
Use County Record Archives instead of iDocMarket. |
Clerk & Recorder |
“I am researching Flathead County Assessor number __________ / geocode __________ at __________. The online record shows __________, but I need to verify __________. Please tell me whether this belongs with Montana DOR, Flathead Property Tax, the Plat Room, GIS or Clerk & Recorder and what record or filing I should use next.”
Official final-action systems
Flathead County Property Search Action Center
Search-focused local answers
Flathead County Property Assessor FAQs
1. How do I search Flathead County property assessor records?
Use Flathead County’s iTax system to search by Assessor number, owner name, property address, geocode, subdivision/block/lot or section-township-range. For mapping, open Flathead County GIS. For official appraisal and property-characteristic data, also check Property.MT.gov.
2. Does Flathead County have a normal county property assessor?
Property owners often search for a “Flathead County Assessor,” but Montana’s Department of Revenue Property Assessment Division performs the appraisal and classification work. Flathead County maintains parcel, survey, ownership and tax systems and uses the DOR’s values to calculate property taxes.
3. Can I search Flathead County property by owner name?
Yes. The county iTax system supports owner-name searches. It recommends using one search criterion at a time. If legal ownership matters, verify the result against the recorded deed through the Flathead County Clerk & Recorder.
4. What are the Flathead County property tax due dates?
Real-property tax bills are generally mailed in October. The first half is due November 30 and the second half is due May 31. Flathead County applies a next-business-day rule when a statutory due date falls on a weekend or holiday.
5. What changed for Montana property taxes in 2026?
Montana implemented a new residential tax-rate structure. Qualifying principal residences and long-term rentals use tiered rates of 0.76%, 0.90%, 1.10% and 1.90% across increasing portions of market value. Many second homes, short-term rentals and vacant residential lots use a flat 1.90% rate.
6. How do I know if my Flathead County home has the Homestead Reduced Rate?
Use Montana’s Homestead enrollment verification tools with the property’s geocode. The 2026 enrollment period is closed, but enrollment for Tax Year 2027 is currently open through March 1, 2027.
7. Can I still appeal my Flathead County property value in August 2026?
The special June 1, 2026 deadline for a late Tax Year 2026 informal review has passed. However, if you recently received a Montana DOR informal-review decision, you generally have 30 days from receipt of that decision to appeal to the County Tax Appeal Board. Review the date on your notice immediately.
8. Can I make monthly Flathead County property tax payments?
Qualifying owners of primary residences can request Montana’s alternative payment schedule through Flathead County. Instead of the normal two installments, approved taxpayers can make seven monthly payments between November 30 and May 31. The application is due September 30 of the taxing year.
9. Where do I search Flathead County deeds and liens?
The Flathead County Clerk & Recorder maintains recorded documents. iDocMarket covers documents recorded in 1984 or later, while the County Record Archives system covers older records. The office also provides in-person research and copy services.
10. Is the Flathead County GIS parcel line a legal property boundary?
No. Flathead County GIS explains that parcel accuracy varies with underlying survey and base-map data. Use recorded surveys, certificates of survey and a licensed land surveyor when an exact legal boundary is required.
Official Flathead County and Montana Sources
Flathead County Property Tax
Billing, due dates, alternative payment schedule, delinquency and tax-office contacts.
Flathead iTax
Assessor number, owner, address, geocode, subdivision and property-tax search.
Flathead County GIS
Interactive mapping, parcel, ownership, district and land-record research.
Flathead Plat Room
Survey records, ownership information, legal descriptions and plat research.
Montana DOR Kalispell
Flathead County property-appraisal field-office contact and hours.
Montana Appraisal Appeals
AB-26, CTAB, MTAB and payment-under-protest guidance.
2026 Montana Tax Changes
Homestead, rental, second-home, commercial, agricultural and forest tax rates.
Montana Property Tax Help
PTAP, disabled veteran, first responder and other assistance programs.
Flathead Recorded Records
Deeds, liens, mortgages, historical records and document-copy procedures.
Verified for this update: current iTax search fields, GIS workflow, Montana DOR Kalispell office, 2025-2026 appraisal-cycle appeal rules, June 1 late-review cutoff, 2026 homestead tax brackets, March 20 2026 homestead deadline, current 2027 enrollment window, PTAP 2026 income limits, November/May tax schedule, September 30 alternative-payment deadline, delinquency charges, tax-lien timeline, Recorder databases and current public-record copy fees.
CountyPropertyAppraiser.org is an independent informational website and is not affiliated with Flathead County Government, Montana Department of Revenue, Flathead County Treasurer/Property Tax Office, Plat Room, Clerk & Recorder, Montana Tax Appeal Board, Tyler Technologies, iDocMarket or any mapping or payment vendor.
Property values, classifications, homestead status, tax rates, mill levies, tax balances, due-date handling, assistance limits, appeal deadlines, online systems and recording fees can change. Use the official systems above for final valuation, filing, payment, appeal and title-sensitive decisions.
Editorial verification date: August 11, 2026 (Montana).
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