Maryland 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.
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.
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 |
|---|---|---|---|---|
| December | RP | Value Notices |
28-Dec | New Triennial cycle assessment |
| December | RP | Appeal Deadline |
31-Dec | Out of cycle properties |
| April | BPP | Compliance Date |
15-Apr | With 60 day extension available |
| February | RP | Appeal Deadline |
Feb | In-cycle properties (reassessing Jan. 1) 45 days from assessment notice |
RP = Real Property · BPP = Business Personal Property · Both = Applies to both
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