Montgomery County, Pennsylvania property-tax payment and appeal deadlines
Tax bills, payment rules, and valuation-review windows are controlled by the local jurisdiction and the governing state framework. The reviewed record below separates published figures from items that still require confirmation with Montgomery County Board of Assessment Appeals.
Rate context
Confirmcounty, municipal, and school millage varies by municipality and school district; the official 2026 table shows county millage 5.462 plus MCCC 0.49 and district-specific local and school millage.
Statement mailing
Published2026 bill dates vary by municipality; the official Montgomery County 2026 table lists municipal bill dates mostly February 1, February 28, or March 1, 2026, and school bills for the 2025-26 cycle are dated July 1, 2025. County directs taxpayers to their local collector.
Payment deadline
Published2026 discount, face, and penalty dates vary by Montgomery County's 62 tax collectors; official schedule: https://assets.montgomerycountypa.gov/files/2026-06/Tax%20Collectors%20DiscountFace%20Penalty%202026.pdf
Valuation protest
PublishedAugust 1, 2026 for annual assessment appeals; the official 2026 appeal form must be received by the Board of Assessment Appeals by that deadline, subject to a different date on a change notice.
Do not assume a grace period.
The reviewed record identifies the payment timing above but does not establish a universal penalty schedule for this page. Late charges, interest, collection costs, tax-sale procedures, and lien or foreclosure timelines can depend on state law and the local collector’s process. If the deadline is close or a balance is delinquent, contact the tax collector directly and request the current payoff amount in writing.
Treat a published payment deadline as a hard operational date and retain your receipt or confirmation number.
From assessment to collection
01Valuation and notice
Review the assessment notice as soon as it arrives. The protest window may run from the notice date rather than from the payment due date.
02Statement and account review
Match the tax statement to the parcel or account number and confirm exemptions, assessed value, taxing units, credits, and balance.
03Payment confirmation
Use the official collector channel, then save the receipt, transaction reference, and date posted. A bank submission is not always the same as a county posting date.