Home Health Score Get your Home Health Score How old is your home?Poured concrete block footings and slab foundations should last a lifetime, 80-100 years or more provided they were quality built. less than 25 years 25-50 years 50-75 years more than 75 years How old is your roof?The most common type of roof in Oregon is an asphalt shingle roof which are typically good for 20 years. less than 5 years 5-10 years 10-15 years more than 15 years How old is the electrical wiring in your home?Wiring can last for decades in most situations so you aren't looking at needing to re-wire your entire house every five years. As a general rule, home wiring can last over 50 years. less than 12 years 12-24 years 24-36 years 36-50 years How old is your Chimney?The average lifespan of a chimney liner is 15-20 years. After 20 years you will probably need to get the entire liner replaced to make sure its still up to code and not a serious fire risk. less than 5 years 5-10 years 10-15 years more than 15 Name Email Time is Up! Submit a Comment Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Save my name, email, and website in this browser for the next time I comment.