Last day to file for Homeowners Exemption or Circuit Breaker Exemption through the Assessor's Office. Assessment notices mailed by the Assessor's Office. Late charges and interest are added to delinquent taxes and calculated from January 1. 4th Monday of June Final day to file a protest of property valuation with the County Assessor. Last day to pay current year taxes without a late charge.
Late charge is applied to all unpaid first half taxes.
The Boundary County Treasurer, Tax Collector and Public Administrator provide the following information as a service to Boundary County taxpayers. Tax Collection Tax notices are mailed as early as possible each November for the calendar year. All taxes are due December 20. There is also a subsequent roll, which is mailed out as soon as possible after the closing of the Board of Equalization on the first Monday of each December. The tax is due on this roll 30 days after mailing or as stated on the tax notice.