ND · 2026 appeal calendar

North Dakota Property Tax Appeal Deadlines 2026.

North Dakota 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

North Dakota 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 RP
Value Notices Issued
1-Mar
April RP
Appeal Deadline
Apr Appeals of an assessment must be filed with the township board, normally by the first Monday in April, or with the city board, normally by the second Tuesday in April. Appeals of the local board must be filed with the county board of equalization during the county board's meeting in the first 10 days in June. Appeals of the county board must be filed with the state board of equalization during the state board's meeting on the second Tuesday in August.

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

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