National MI is a U.S.-based, private mortgage insurance company that was founded in 2012. The company is headquartered in Emeryville, California, and provides mortgage insurance to mortgage lenders and investors. National MI offers mortgage insurance products that help homebuyers purchase homes with less than a 20% down payment. The company's products include standard mortgage insurance, lender-paid mortgage insurance, and other risk-sharing products. National MI is a subsidiary of NMI Holdings, Inc., a publicly traded company that is listed on the NASDAQ stock exchange.