Connecticut State Department of Revenue Services

Important Reminders for the 2021 Filing Season

Although the due date for filing 2020 personal income tax returns (Forms CT-1040 and CT-1040NR/PY) has been extended to Monday, May 17th, 2021, taxpayers are reminded of the following:

  • For those taxpayers who are required to make estimated tax payments, the first estimated payment for taxable year 2021 (Form CT-1040ES) is due April 15th, 2021. (This due date has not been extended.)
  • Taxpayers are encouraged to file their 2020 income tax returns electronically. Filing electronically is the fastest way to receive your refund, and is safe and secure.
  • The Department recognizes that most taxpayers will file their 2020 personal income tax returns (Forms CT-1040 and CT-1040NR/PY) by April 15th, 2021, as such, the Department is offering extended business hours for phone coverage until 6:00 p.m. on Tuesday, April 13th through Thursday, April 15th.
  • Taxpayers who are experiencing financial difficulties in paying the amount due are encouraged to contact the Department. The Department is here to help and will work with taxpayers to assist them in understanding their tax liabilities and in making payment arrangements.

Visit the DRS website at portal.ct.gov/drs for additional information. To speak directly with a DRS representative, call DRS at 860-297-5962 (from anywhere); 800-382-9463 (within CT, outside Greater Hartford area only); or 860-297-4911 (Hearing Impaired, TDD/TT users only).

Taxpayers can also receive personal tax assistance from the comfort of their own home via video conference with a DRS representative on the MS Teams platform. Call 860-297-5770 to schedule an appointment.