No, pre-approval does not guarantee a loan. Pre-approval is an initial evaluation by a lender indicating that you appear to be a creditworthy candidate for a loan.
It's based on a preliminary review of your credit score, debt-to-income ratio, and other financial factors. The lender provides an estimate of how much you might be able to borrow, along with an expected interest rate.
However, it's important to understand that pre-approval is conditional and subject to a more thorough verification of your financial status. Before finalizing a loan, the lender will conduct a more in-depth review, including verifying your financial information and assessing the property you intend to purchase (in the case of a mortgage).
Here are some reasons why a pre-approved loan might not be finalized: