2018 Tax Due Dates Body Content2018 Final Due Dates Residential Regular Instalments July 18, 2018 August 22, 2018 September 19, 2018 Residential Pre-Authorized Payment Program Option No. 1 (monthly - first business day) July 3, 2018 August 1, 2018 September 4, 2018 October 1, 2018 November 1, 2018 December 3, 2018 Residential Pre-Authorized Payment Program Option No. 2 (regular instalments) July 18, 2018 August 22, 2018 September 19, 2018 Residential Pre-Authorized Payment Program Option No. 3 (monthly - mid-month business day) July 16, 2018 August 15, 2018 September 17, 2018 October 15, 2018 November 15, 2018 December 17, 2018 Commercial, Industrial and Multi-Residential August 22, 2018 September 19, 2018 October 24, 2018 Commercial, Industrial and Multi-Residential Pre-Authorized Payment Program Option No. 1 (monthly - first business day) August 1, 2018 September 4, 2018 October 1, 2018 November 1, 2018 December 3, 2018 Commercial, Industrial and Multi-Residential Pre-Authorized Payment Program Option No. 2 (regular instalments) August 22, 2018 September 19, 2018 October 24, 2018 Commercial, Industrial and Multi-Residential Pre-Authorized Payment Program Option No. 3 (monthly - mid-month business day) August 15, 2018 September 17, 2018 October 15, 2018 November 15, 2018 December 17, 2018 Interim Due Dates 2018 Regular Instalments February 21, 2018 March 21, 2018 April 18, 2018 Pre-Authorized Payment Program Option No. 1 (monthly - first business day) January 2, 2018 February 1, 2018 March 1, 2018 April 3, 2018 May 1, 2018 June 1, 2018 Pre-Authorized Payment Program Option No. 2 (regular instalments) February 21, 2018 March 21, 2018 April 18, 2018 Pre-Authorized Payment Program Option No. 3 (monthly - mid-month business day) January 15, 2018 February 15, 2018 March 15, 2018 April 16, 2018 May 15, 2018 June 15, 2018 Commercial, Industrial and Multi-Residential February 21, 2018 March 21, 2018 April 18, 2018