Is Kalamunda a fire prone area?

Yes

Yes - but the council and also most of the locals are well prepared for it.

Over 90% of WA is bushfire prone and bushfires can happen anywhere, there are areas in the hills which have a higher risk of fire, the most important thing is to have a plan in the case of a fire. The Kalamunda Shire offers loads of resources of their website and will help with any questions. https://www.kalamunda.wa.gov.au/our-city/fire

Yes, it is well treed and there are areas of bush nearby which could cause flames to travel very easily. There is also likely to be roof leaf litter around in many houses.