Submit. · just now. Report Abuse. The size of the house has nothing to do with the size of a property-you can have a large house on a small property, or a small house on a large property. In most neighborhoods, I think the average would be approximately 1/4 acre.In a city, less than that-maybe even 1/8 of an acre.ubmit. · just now. Report Abuse. The size of the house has nothing to do with the size of a property-you can have a large house on a small property, or a small house on a large property. In most neighborhoods, I think the average would be approximately 1/4 acre.