How much will a mortgage boost my credit rating?

just remember, if you pay it on time, it's good for your rating. if you don't believe me you can check here: www.creditscore.pro

How much will a mortgage boost my credit rating?
It will do the opposite. It tells creditors that you have other priorities to pay before any other credit since you'll want a place to live. If the mortgage is very high, you could be denied loans because of you mortgage being subtracted from your net worth.