Even though our mortgage payment is due on the first of the month, we were told that we have a grace period until the 17th. If we pay by the 17th, then there is no late penalty. My question is will paying on the 15th affect our credit? I'm not sure how these things get processed into a credit score or what information is given to the credit bureaus. Technically, it is past the date the payment is due, but is within their grace period and without a fee. Will that be reported as a late payment, credit-wise?