How Long Does a Roof Last in Babylon, NY? Lifespan by Material and Local Factors
https://www.livebinders.com/b/3706745?tabid=3ff6379b-9275-9363-d06c-88bca0c224a9
The national roofing industry's standard answer — "20 to 25 years for asphalt shingles" — is a reasonable average, but it's an average built from a wide range of climates, installation quality levels, and maintenance histories