Do You Need a Permit to Replace a Roof?
In most cities and towns, replacing a roof does require a building permit, because it is structural work that must meet code.
Why it matters
A permit triggers an inspection that confirms the work was done to code, which protects you when you sell and keeps your insurance valid. Skipping a required permit can mean fines, forced re-work, or problems closing a home sale.
How it usually works
A licensed contractor normally pulls the permit for you and includes the fee in the quote. Permit costs vary widely by location, often from under one hundred to several hundred dollars. Rules also vary on how many shingle layers are allowed before a full tear-off is required. Always confirm with your local building department, and make sure your contractor is licensed and insured.
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Not sure of your roof area? A rough rule: roof area is usually 1.1 to 1.5 times your home footprint. A 1,500 sq ft single-story home often has a 1,700 to 2,200 sq ft roof.
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