Generally, you can expect to pay 2 percent to 5 percent of the loan principal amount in closing costs.
For a $200,000 mortgage refinance, for example, your closing costs could run $4,000 to $10,000.  
There are a few different fees that fall under the closing costs when you refinance your home. Origination and underwriting fee: 0.5%-1.5% of loan principal, Recording fee: Cost depends on location, Appraisal fee: $500-$700 (more for a larger property, Credit check fee:    $62 or more, Title services: $1000 - $2000, Survey fee:    $150-$400, Attorney/closing fee: $800 or more.