Treasurer's Office

Physical Address:

1000 5th St N
Carrington, ND 58421

Mailing Address:

PO Box 104
Carrington, ND 58421

Phone: (701) 652-2441

Fax: (701) 652-2173

The Foster County Treasurer is an appointed position and combined with the Auditor's Office. The Current Foster County Auditor/Treasurer is Ellen Roundy.

As the Treasurer she performs the following duties:

  • Collects taxes (Real Estate and Mobile Home) and disburses tax monies to taxing districts
  • Invests county funds for availability, safety and rate of return
  • Provides information such as land values, mill levies, tax amounts, land ownership and legal description to lenders, realty agents, lawyers, accountants and various other public and private agencies
  • Reconciles bank accounts
  • Collects fees and fines from county offices
  • Do and perform all acts not enumerated in this section which the treasurer is required to do by law (see Chapter 11-14: County Treasurer.)


Foster County Property Tax Information:

Personal Responsibilities

Per North Dakota State Law, failure to receive a statement shall not relieve the owner of liability, nor extend the discount privilege past the February 15th deadline. Please call as soon as possible if you do not receive a statement. It is the responsibility of the property owner to notify our office of address changes.

Due Dates

A 5% discount is given on the consolidated tax for both real estate and mobile homes if paid (or postmarked) on or before February 15th of each year. For real estate, the first half plus the full amount of yearly installment of special assessments are due by March 1st; the second half is due (or postmarked) on or before October 15th. For mobile homes, the first half is due by March 1st; the second half is due by June 30th.

Receipts & Refunds

  • Receipts are mailed only upon request.  
  • No refund is given if an overpayment is $5 or less.


Ellen Roundy
(701) 652-2441

Hailey Bachmeier
Chief Deputy Auditor/Treasurer
(701) 652-2441

Dianne Straley
Deputy Auditor/Treasurer
(701) 652-2441



There are two ways to pay your taxes online - follow either of the secured links below to pay your property taxes. 

ACI Tax Payment - Online 

  • eCheck or Credit Card

Municipay Online Tax Payment

  • Credit Card Only




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