Tax relief and valuation review
A homestead exemption, senior-relief program, or valuation protest can change the amount a homeowner owes—but only if the filing reaches the right local office in the correct window. Use the verified county guidance below as your working checklist, then confirm the current form and deadline with Merrimack County Registry of Deeds; New Hampshire municipal assessing officials and tax collectors.
Relief programs
The filing guidance for this county is: Local municipal PA-29 property-tax credit/exemption applications generally use the April 15, 2026 deadline; the statewide 2026 DP-8 Low and Moderate Income Homeowners Property Tax Relief claim period is May 1–June 30, 2026. Use the official form or application channel, provide the residence and ownership documentation requested, and keep a copy of the submission.
Open homestead applicationNew Hampshire elderly and disabled property-tax exemptions/deferrals are local and vary by municipality; PA-30 is the statewide elderly/disabled tax-deferral form. The 2026 Low and Moderate Income Homeowners Property Tax Relief program accepts claims May 1–June 30, 2026, for eligible homeowners with income up to $37,000 single or $47,000 married/head of household and a maximum qualifying homestead value of $220,000.
Appealing an assessment
Use the valuation notice and the county’s published protest guidance to determine the last day to file. Do not assume the payment deadline controls the appeal.
Gather comparable sales, photographs, repair records, appraisal evidence, property characteristics, and any documentation that explains why the assessed value is incorrect.
Submit through the official channel, save the confirmation, and attend the board or review hearing if one is scheduled. An appraiser or attorney can help evaluate evidence when the value or stakes are substantial.
The verified protest guidance for this county is: For 2026 municipal property-tax notices, an RSA 76:16 abatement application is due March 1, 2027; an appeal of a denial to the New Hampshire Board of Tax and Land Appeals is due September 1, 2027. If the language is not a specific calendar date, contact the office promptly for the current notice and board-review schedule.