US average rate on 30-year home loan 4.20 percent By The Associated Press September 25, 2014 7:27 pm FacebookTwitterEmailPrint Add Washington Examiner on Google FacebookTwitterEmailPrint Average long-term U.S. mortgage rates declined slightly this week. Here’s a look at rates for fixed and adjustable-rate mortgages this week and over the past year: TagsHousingInterest RatesReal Estate Related Content