Purchasing homeowner insurance is essential for protecting your property and belongings. The best time to buy homeowner insurance is before you actually need it. Ideally, you should purchase homeowner insurance as soon as you become the owner of a home or property. It's important to have coverage in place before any unexpected events occur, such as natural disasters, theft, or accidents. Additionally, when obtaining a mortgage, most lenders require proof of homeowner insurance, so it's necessary to have a policy in place before closing on a home. It's crucial to not wait until it's too late to purchase homeowner insurance, as being uninsured can lead to significant financial loss in the event of a covered incident.