Property Tax Information

Mail In Your Tax Payment

Property tax payments can be mailed to:

Property Tax Department
Lewis & Clark County
316 North Park Avenue Rm 113
Helena, Montana 59623

Please make checks to "County Treasurer."

To look up the amount due for your property, follow our Tax Inquiry (Property Tax Lookup) information above.

You can drop off your property tax payment in drop boxes located inside each entrance of the City-County, 316 N Park Ave, downtown Helena.

You can also visit our staff in Rm 113 to pay your taxes in person. Our office is located on the first floor at the back of the City-County building (near the west entry/exit).

Pay Your Taxes Online

1. Go to https://itax.tylerapp.com/LewisAndClarkMT
2. Search for your property. (You may only search with one field at a time.)
3. Select your property.
4. Click on the Pay Taxes button and Add to Cart.
5. Select which half you are paying. (To pay both, add one half then the other.)
6. Continue to Cart and proceed to Checkout.
7. You will be taken to the Official Payments site. Enter your credit or debit card information and process your payment.*

*Additional fees will apply. Payments are uploaded into our system every two hours.

Click here for step-by-step online payment instructions with screenshots.(PDF, 1MB)

1. Call toll free 888-272-9829.
2. You will be asked for a jurisdiction number. The jurisdiction number for Lewis and Clark County is 3602.
3. You will also be asked to provide your Property Tax ID number. This number is located on your property tax payment stubs. (If you don't know your Property Tax ID number, you may search for it at https://itax.tylerapp.com/LewisAndClarkMT
4. You will be prompted to provide additional information, such as your credit or debit card payment information.*

*Additional fees will apply.

Montana Department of Revenue Property Assessment Division resources

• Land Value Property Tax Assistance Program (LVPTAP)
• Montana Disabled Veteran Assistance Program (MDV)
• Natural Disaster Forest Land Reduction
• Natural Disaster Property Tax Reduction
• Property Tax Assistance Program (PTAP)

Rocky Mountain Development Council

• HUD Certified Housing Counseling(PDF, 470KB)

For information on tax liens from 2015 or prior, please refer to Montana Code Annotated, Title 15, Chapters 16, 17, and 18. For information on tax liens from 2016 going forward, please refer to House Bill 18(PDF, 134KB). For information on tax liens for 2018 and forward please refer to Senate Bill 253(PDF, 179KB).

It is the responsibility of the interested person to conduct their own research of the delinquent tax process prior to purchasing any assignments. If you have questions in regards to tax liens, please consult an attorney. Lewis and Clark County will not provide legal advice of any kind.

The Lewis and Clark County Treasurer's office does not conduct tax sale assignment business during the tax season months of November and May. Tax sale assignment business resumes when the processing of current postmarked mail is complete.

Notice of Pending Assignment(PDF, 105KB)

Request Change of Address(PDF, 103KB)

Tax Protest Form(PDF, 15KB)

Suspension of Property Taxes (Military)(PDF, 32KB)

Notice of Pending Assignment(PDF, 105KB)

Delinquent List Distribution Signature Form(PDF, 40KB)