Harrisdale is a southeastern suburb of Perth, Western Australia and is one of the western suburbs of the City of Armadale. It was gazetted in 2007, and has a population of 9,076 as of the 2016 Australian census.^[1] The population of the developing area is expected to grow to over 10,000 by 2031.^[2]

Another newer suburb serviced by Slash Hounds Mobile Dog Wash.

On 12 April 2008, a joint venture was announced between the Government of Western Australia and Cedar Woods Properties Limited to develop a 30-hectare (74-acre) site in the northwest of the suburb of Harrisdale with an emphasis on affordable housing and sustainable living.^[3] The development, known as Harrisdale Green, commenced construction in July 2010 and will accommodate up to 500 homes.^[4][5]

Carey Baptist College is a co-educational school that occupies a 12-hectare (30-acre) site in Harrisdale. It was established by the Carey Community Baptist Church in 1998 and provides education from kindergarten through to Year 12.^[7]

Harrisdale Senior High School is a public high school in Harrisdale that opened in 2017.

The Harrisdale Swamp Bushland occupies a significant portion of the suburb’s west. It is a banksia woodland dominated by Banksia attenuata and Banksia menziesii. The mammal species Quenda occurs in this area.^[8