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Office of Management & Finance

Revenue Bureau

Phone: 503-823-5157

Arts Tax: 503-865-4278

111 SW Columbia St, Suite 600, Portland, OR 97201

More Contact Info

Due Dates by FYE

Due dates for tax returns and extensions based on fiscal year end

Go to full Tax Calendar

Fiscal Year End Combined Tax Return 
Due Date
Extension Due Date
December 31 (calendar year end) April 15 October 15
January 31 May 15 November 15
February 28 / 29 June 15 December 15
March 31 July 15 January 15
April 30 August 15 February 15
May 31 September 15 March 15
June 30 October 15 April 15
July 31 November 15 May 15
August 31 December 15 June 15
September 30 January 15 July 15
October 31 February 15 August 15
November 30 January 15 September 15

 

Heartbleed Security Notice

A serious security vulnerability known as "Heartbleed" was recently discovered in OpenSSL, a popular software library commonly used by many websites on the internet to encrypt communication between a user's computer and a web server.

PortlandOregon.gov is NOT affected by this vulnerability as it does not use the OpenSSL software library. Please rest assured we are dedicated to protecting your security on this website.