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Land · Montana tax lien guide
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Two pieces of local texture stand out. The City of Bozeman forwards its delinquent special assessments to the county for collection, and they become part of the county tax records collectible through this same lien and assignment process, so a parcel can carry a lien even when its county taxes were paid. The county also sends a courtesy notice after the first half goes delinquent, and its online tax site flags parcels whose status reads Current, Assignment Taken, warning owners to call the treasurer at once.
Selling office: Gallatin County Treasurer, 311 West Main, Room 103, Bozeman, MT 59715; phone 406-582-3033
Next sale: First day the newest tax liens can be purchased: Tuesday, August 31, 2027. The county timeline runs the same dates each cycle: preference lists are due August 30, the first purchases happen August 31, and the majority of assignments are issued September 1, with certificates sent by certified mail later. The delinquent parcel list is made available by the treasurer after the August attachment.
Plan around the end of August: notices out on August 15, preference list in by August 30, money ready for August 31. Holders of earlier assignments can pay the subsequent delinquent taxes into their liens from June 1 to July 31, before the new lien attaches.
| Next sale | First day the newest tax liens can be purchased: Tuesday, August 31, 2027 |
| Tax halves due | November 30 and May 31 |
| Newspaper notice of possible lien | After the second half becomes delinquent, in the Bozeman Daily Chronicle |
| Pending lien notices mailed | Two weeks before the first working day in August |
| Lien attached by the county | First working day in August; Monday, August 2, 2027 in the next cycle |
| Notice of Pending Assignment mailing opens | August 15 |
| Preference lists due | August 30, or the Friday before if the 30th falls on a weekend |
| First purchase day | August 31 |
| Most assignments issued | September 1 |
| Redemption deadline | First working day in August, 3 years after attachment |
| Format | The treasurer publishes a timeline document for delinquent taxes, tax liens, and assignments. After the second half goes delinquent the county advertises in the Bozeman Daily Chronicle that a lien could be placed, mails pending lien notices two weeks before the first working day in August, attaches the lien, and makes a lien list of delinquent parcels available to potential assignees. If the taxes remain unpaid by August 31, an assignee who has followed MCA 15-17-323 can take an assignment by paying all taxes, penalty, interest, and costs; most assignments are issued on September 1.: The treasurer's office in Bozeman. Preference lists are emailed to treasurer@gallatin.mt.gov or dropped off at the office. |
| Selling office | Gallatin County Treasurer, 311 West Main, Room 103, Bozeman, MT 59715; phone 406-582-3033 |
Sources: Timeline for delinquent taxes, tax liens, and assignments, Gallatin County Treasurer. Property tax search help, Gallatin County Treasurer. Confirm with the selling office before relying on any date on this page: sales move, terms change, and parcels are pulled up to sale day.
A sale list gives you the parcels, the date, and the opening terms. It does not give you the owner, the value, or the rest of the picture: liens, foreclosure status, and parcel history. PropertyRadar is the data platform for that layer. It carries owner records, assessed and market values, foreclosure and tax data, and property history for parcels across Gallatin County, searchable by address, owner, or county, including parcels that never reach a sale list.
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Mail the Notice of Pending Assignment by certified mail to the person to whom the property was assessed, at least two weeks before payment, not earlier than August 15 and not more than 60 days before purchase, and give the treasurer proof of the mailing; a certified mailing receipt lacking either an address or a postmark is insufficient proof. By August 30, submit a list of all tax codes in order of preference, by email to treasurer@gallatin.mt.gov or in person at the office.
| Deposit, Gallatin County | Montana assignments have no bidder deposit. At purchase the assignee pays all delinquent taxes, penalties, and interest, plus a $60 fee stated in the county timeline. |
| Payment, Gallatin County | The county timeline does not publish which payment forms it accepts for an assignment purchase, so confirm accepted forms with the treasurer before the August 31 opening. Receipts are usually available the day assignments are issued; certificates follow by certified mail. |
| Redemption period | Three years from the date the county attaches the lien, ending on the first working day in August of the third year, with a two year period for a subdivided residential or commercial lot carrying delinquent special assessments and no habitable dwelling or commercial structure (MCA 15-18-111). |
| Interest the assignee earns | On redemption the treasurer pays the assignee back the amount paid for the assignment and any subsequent taxes the assignee paid into the lien, plus interest at 5/6 of 1 percent per month from the date of payment until redemption, the same rate the delinquency itself carries (MCA 15-16-102 and 15-18-114). |
| Penalty on delinquency | A delinquent installment draws a 2 percent penalty at once, then interest at 5/6 of 1 percent per month until paid. The penalty is part of what an assignment buyer pays at purchase and part of what redemption repays (MCA 15-16-102). |
| The final year notice, and the cancellation risk | Between May 1 and May 30 of the year the redemption period expires, the assignee must send the statutory notice that a tax deed may be issued, in the statutory form, and file proof of notice with the clerk and recorder within 30 days. An assignee who fails to give the notice has the lien and the assignment certificate cancelled (MCA 15-18-212). |
| The owner occupied auction | Where the property is a dwelling occupied by its legal titleholder of record, the tax deed goes through a public auction instead of a direct grant. The opening bid is the full redemption amount plus half the most recent assessed value of the land and the dwelling; the high bidder posts a deposit of 5 percent of the bid or $200, whichever is greater, and pays in full within 24 hours, and the half value component and any overbid go to the former owner as surplus (MCA 15-18-219 to 15-18-221). |
| Subsequent taxes | An assignee may pay later delinquent taxes on the same property into the assignment, and those payments are repaid with the same interest on redemption (MCA 15-18-112 and 15-18-114). Counties run a set window for these payments each summer, and each county page states the window that county publishes. |
| Assignment fee | $60, as stated in the county timeline |
| List submission email | treasurer@gallatin.mt.gov |
| Subsequent tax window | June 1 to July 31; June 21 start for Property Tax Assistance Program parcels |
A lien nobody takes stays with the county and remains assignable while the redemption period runs. If the taxpayer pays the delinquent taxes, the county files a redemption certificate with the Clerk and Recorder releasing the lien. The county publishes no separate sale of untaken liens.
One page per county, each verified against the county's own publications and the current text of MCA title 15 chapters 17 and 18. Montana assigns its county held liens county by county through each county treasurer; this set is the 10 largest counties.
The free Max-Bid Calculator works backwards from your resale price to the highest hammer bid you can pay, with the fees shown line by line.
The Pine membership is built on alerts: members pick their counties, get an email when a sale is scheduled or a list posts, and receive the full property list with the analysis done. Montana counties are being added from the interest list first, in the order readers ask for them.
Once a deadline puts you in a sale, the Land Investor Due Diligence Toolkit is the checklist and bid worksheet to run on each parcel before you bid. The same desk runs Florida tax deed sales, Texas tax sales, Pennsylvania tax sales, Georgia tax sales, North Carolina tax foreclosure sales, Ohio tax foreclosure sales, Illinois tax lien sales, Michigan tax foreclosure sales, Arizona tax lien sales, California tax defaulted property sales, Colorado tax lien sales, South Carolina tax sales, Indiana tax lien sales, Tennessee delinquent tax sales, Wisconsin tax deed sales, Missouri tax sales, New Jersey tax lien sales, Maryland tax lien sales, West Virginia tax sales, Virginia tax sales, Oklahoma tax resale, Kansas tax foreclosure sales, Arkansas tax-delinquent land sales, Alabama tax sales, Kentucky certificate of delinquency sales, Mississippi tax land sales, Nevada tax deed sales, New Mexico delinquent property tax sales, Iowa tax lien sales, Nebraska tax certificate sales, Minnesota tax-forfeited land sales, Utah final tax sales, Washington tax foreclosure sales, Oregon tax foreclosure sales, Connecticut tax sales, Massachusetts tax title sales, Rhode Island tax sales, Vermont tax sales, New Hampshire tax lien sales, Maine tax lien sales, Delaware tax sales, Louisiana tax sales, Idaho tax deed sales and Montana tax lien assignments, and the proven New York season, with the live membership, sits in the NY tax sale hub.
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Gallatin County · MONTANA
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