An abatement may be filed with the Town of Londonderry Assessing office following the receipt of your final tax bill. The date of filing is the date the form is either hand delivered to the municipality, postmarked by the post office, or receipted by an overnight delivery service. Deadline to file is March 1st. Pursuant to BTLA Tax 203.02(d) the applicant must sign the application.

Abatement Form