Some mortgage companies might have a specific minimum credit score requirement but the higher your credit score is, the better interest rate you will receive.
Having a good credit score is crucial for obtaining a favorable mortgage rate. Be sure to check your credit score, and if needed, work on improving your credit before you start the home buying process. Traditionally, your credit score should be at least 620, but ideally to get the best interest rate, your score should be 740 or above. Some mortgage companies might have a specific minimum credit score requirement but the higher your credit score is, the better interest rate you will receive.