No. The 4-point inspection is not mandatory for every home. It's commonly required for older homes because the risks associated with older homes are much more than new homes. If you want to buy an old home, you will likely need a 4-point inspection before getting a homeowners insurance policy for your home. However, this varies from one state to another. In Florida, it's mandatory to get the 4-point inspection done before obtaining a homeowners policy. Some companies also require a 4-point inspection done for a home in a state where it's not essential.