Fha Construction Loan Limits fha intrest rate compare fha rates. An FHA loan is a mortgage insured by the federal housing association. check our. Start by comparing the latest FHA interest rates here. Check out the mortgage rates charts below to find 30-year and 15-year mortgage rates for each of the different mortgage loans U.S. Bank offers. If you decide to purchase mortgage discount points at closing, your interest rate may be lower.