DC Tax Timeline

District of Columbia Real Property Tax Timeline for Calendar Year 2017

January 1, 2017
Date of value for Tax Year 2018 annual assessments.

February 1, 2017
Deadline to appeal directly to the Commission for those 1st Half Tax Year 2017 Supplemental Assessments that were not issued on or before September 1, 2016, or where OTR has failed to render assessor level decision by December 30, 2016.

March 1, 2017
Notice of proposed assessment mailed for Tax Year 2018 (date of value for reassessed properties: January 1, 2017).

March 31, 2017
1st Half Tax Year 2017 taxes due.

April 3, 2017
Deadline for filing Tax Year 2018 1st Level appeals AND deadline for filing second-half Tax Year 2017 supplemental appeal with OTR.

April 17, 2017
Deadline for filing Calendar Year 2016 Income & Expense forms and Rent Rolls with OTR.

June 1, 2017
Mixed Use form due (this date is subject to change; please call (202) 442-6678 to confirm).

June 30, 2017
Calendar Year 2017 public space rent due (vaults, sidewalk cafes, etc.).

August 1, 2017
Last date for mailing of Tax Year 2018 1st Level final determinations. Deadline to file second-half Tax Year 2017 supplemental appeals with Commission, if no decision rendered by OTR by June 30th.

September 15, 2017
2nd Half Tax Year 2017 taxes due.

September 30 , 2017
Petition filing deadline for Tax Year 2017 assessments to the Tax Division of DC Superior Court.

Last date for Tax Year 2018 2nd Level appeals to D.C. Real Property Tax Appeals Commission (Commission) if no final determination from Assessor by August 1st.

September 30 , 2017
Deadline to file first-half Tax Year 2018 supplemental appeals with the assessor.

December 30, 2017
Petition deadline for 1st and 2nd Half Tax Year 2017 supplemental assessments to the Tax Division of DC Superior Court.