Essential D.C. Business Calendar

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1	Essential D.C. Business Calendar
2	Date	Key Deadlines & Events
3	January 15	Q4 Federal & D.C. Estimated Tax Payment Due
4	January 31	Deadline to distribute W-2s to employees and 1099s to contractors
5	March 15	S Corporation & Partnership Tax Returns
6	April 15	Q1 Federal & D.C. Estimated Tax Payment Due
7	April 15	Federal & D.C. Individual and Corporate Tax Filing Deadline
8	May 1	Basic Business License Renewal
9	May 15	Downtown DC Holiday Market Application Deadline (late submissions may be considered rolling)
10	June 15	Q2 2025 Federal & D.C. Estimated Tax Payment due
11	July 1	Mid-year Grant & Fellowship Application Round
12	September 15	Q3 2025 Federal & D.C. Estimated Tax Payment due
13	October 1	Business Personal Property Tax
14	October 15	Deadline for C-corporation returns and individual filers with an extension (Federal & D.C.)
15	November 1	Holiday Market Vendor License Reminder
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