ID · 2026 appeal calendar

Idaho Property Tax Appeal Deadlines 2026.

Idaho property tax appeal deadlines and filing windows for commercial real estate. Verify with your local assessor or appeal board for the specific jurisdiction before filing.

Updated May 2026

Verify before filing. Statutory deadlines change, and many counties operate on their own schedule inside the state framework. Always confirm the current year's window with the assessor or appeal board for the specific jurisdiction before relying on a date.

2026 appeal calendar

Idaho deadlines at a glance.

State-level deadlines plus major sub-jurisdictions where the schedule diverges from the state default. Where a column says "Varies," confirm the date with the local assessor.

Month Type Event Date Details
March BPP
Appeal Deadline
15-Mar
June RP
Value Notices Issued
Jun On or before the 1st Monday of June
June RP
Appeal Deadline
Jun 30 days after value notices issued

RP = Real Property · BPP = Business Personal Property · Both = Applies to both

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