How high can a front patio be without a railing?

Just moved into a brand new home and the front patio is 2 to 2.5 feet above the ground and the builder has not installed a railing. Is one required at this height in the Toronto area?How high can a front patio be without a railing?I'm not sure about your area but in Missouri my insurance made me and my front porch is 2 feet. I have been told that it's 3 ft but my home ins. company is the one who told me 2 ft.How high can a front patio be without a railing?Tes, 8%26quot; max. drop needs no railing, anything above 8%26quot; needs a railing, and more than 3 risers requires a rail on both sides