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Due dates
Due Wednesday, April 15, 2015:
  • 2014 individual income tax returns and balance-due payments.
  • Requests for an automatic six-month tax-filing extension.
  • Tax year 2014 contributions to a Roth or traditional IRA.
  • Individual estimated tax payments for the first quarter of 2015.
  • Last day to file individual refund claims for tax year 2011.
  • Partnership returns, Form 65.
  • Trust and estate returns and payments.
  • 2014 TriMet and Lane Transit District self-employment tax returns and payments.
  • Senior and disabled property tax deferral applications. 


Due Monday, June 15, 2015:
  • Individual estimated tax payments for the second quarter of 2015.


Due Tuesday, July 1, 2015:
  • Elderly Rental Assistance application.


Due Tuesday, September 15, 2015:
  • Individual estimated tax payments for the third quarter of 2015.


Due Thursday, October 15, 2015:
  • Individual income tax returns for taxpayers that filed an extension.


Due Friday, January 15, 2016:
  • Individual estimated tax payments for the fourth (last) quarter of 2015.