Here are typical closing costs percentage ranges based on credit scores 500 – 579 credit score – 4%-6% closing costs. 580 – 619 credit score – 2.5%-4% closing costs. 620 – 699 credit score – 2%-3% closing costs. 700+ credit score – 1%-2% closing costs.If your current loan is an FHA loan, for example. Input a home value of $250,000, with an interest rate of 5.0 percent, a.Credit score has a bigger impact on mortgage rates than loan type. If you have a high credit score, your fha loan rate will probably be lower than someone with a low credit score. FHA Loan Pros.