That's why it's required for you is a property owner to do your due diligence and clear your walkway. Everything can't fall to the city although the city does the send a plow sidewalk plow through eventually and Sands. This belongs to the same mentality, I'm taking care of the curb and grassy Street planting which some homeowners strangely ignore even though they tend their property on the other side of the Walk. I'll never understand this. Living in a city brings many advantages but requires shared responsibility