Petroleum County Property Appraiser & Tax Assessor
Real property appraisal records, parcel search lookup, property tax rates, and assessment protest deadlines for Petroleum County, Montana.
Petroleum County Assessor's Office Information
Petroleum County Appraisal & Assessment Office, Winnett, MT 30001
Get Driving Directions ↗Monday - Friday: 8:00 AM - 4:30 PM (Local Time)
Closed on state & federal holidays.
(406) 373-7539
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Petroleum County Property Tax Calculator
Estimated using Petroleum County's effective tax rate of 0.68% (Assessment ratio: 1.35%)
Appealing Your Petroleum County Assessment
Within 30 days of the date on the Property Classification and Appraisal Notice.
Under Montana property tax law, property owners in Petroleum County have the legal right to challenge an assessed valuation that exceeds fair market value, is unequally appraised compared to neighboring properties, or contains clerical errors.
Contact the Petroleum County Assessor's Office to review your property record card, verify square footage, and present recent comparable sales (comps).
If informal review does not resolve the valuation, file a written notice of appeal with the County Tax Appeal Board (CTAB) before the statutory deadline.
Was Your Petroleum County Home Over-Assessed This Year?
Studies show up to 30% to 60% of US residential properties are overvalued by automated municipal algorithms. Protesting your assessment before the statutory deadline can lower your tax bill by an average of $1,100/year.
Petroleum County Homestead Exemptions & Tax Relief
Homeowners in Petroleum County who occupy their home as their permanent primary residence may qualify for property tax reductions under state and local homestead programs:
Property Tax Assistance Program (PTAP) reduces property tax rates for low-to-moderate income homeowners by 30% to 80%.
Disabled Veterans Property Tax Assistance Program (MDV) reduces taxes by 50% to 100% for 100% disabled veterans based on income.
Need Deed, Lien, or Title Records for Petroleum County?
While the Property Appraiser values real estate for taxation, official legal property transfers, warranty deeds, mortgages, and marriage records in Petroleum County are maintained by the County Clerk & Recorder.
Frequently Asked Questions
Where is the Petroleum County Property Appraiser office located?
The official Petroleum County property appraisal and tax assessment office is located at Petroleum County Appraisal & Assessment Office, Winnett, MT 30001. Operating hours are typically Monday - Friday: 8:00 AM - 4:30 PM (Local Time). You can reach the customer service staff by phone at (406) 373-7539.
What is the property tax rate in Petroleum County, MT?
The average effective property tax rate in Petroleum County is approximately 0.68%. For a home with the median county market value of $327.000, the estimated annual property tax is about $2224 per year.
How do I search for a property or parcel in Petroleum County?
You can look up property record cards, assessed valuations, ownership history, and parcel boundary maps online through the official Petroleum County parcel search portal: https://petroleummt.gov/assessor/parcel-search.
When is the deadline to appeal my property assessment in Petroleum County?
Property valuation protests and appeals in Petroleum County must be submitted by: Within 30 days of the date on the Property Classification and Appraisal Notice. Appeals are formally reviewed and heard by the County Tax Appeal Board (CTAB).
How does the Homestead Exemption work in Petroleum County?
Property Tax Assistance Program (PTAP) reduces property tax rates for low-to-moderate income homeowners by 30% to 80%. Additional exemptions are available for senior citizens (65+) and disabled military veterans (Disabled Veterans Property Tax Assistance Program (MDV) reduces taxes by 50% to 100% for 100% disabled veterans based on income.).
Adjacent & Neighboring County Appraisers
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