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HOLIDAY & SPECIAL EVENTS CALENDAR

Calendar Legend  |  Meeting Schedule

All Oklahoma County Government offices will be closed on the 2024 Holidays (observed) and 2025 Holidays (observed). For the Meeting schedule, or to research Agendas, visit the County Legistar (You will be taken away from the website).

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15Apr
15Apr

Personal Property 20% Penalty Deadline

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Apr 15, 2025 — Apr 15, 2025 (UTC-06:00) Central Time (US & Canada)   
Event details
April 15:
  • If any personal property is not listed on or before April 15th, when such property is assessed there shall be added to the assessed valuation of such property a mandatory penalty of 20% of the assessed value.
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  • Time
    Apr 15, 2025 — Apr 15, 2025
    (UTC-06:00) Central Time (US & Canada)

Legend 

     Elections & Community Events - Voting and election dates. Community events where the public is welcomed to attend.

     IAAO Courses - Please visit the Oklahoma County IAAO Chapter web page for more information.

     Important Dates - This category includes deadlines & important dates.

     Observed Holidays - All Oklahoma County Government offices will be closed.

     Notice - This category includes notices and reminders.

     US Holidays - Nationally recognized days of significance.