I get this question all the time and the answer is simple. Go to http://www.fanniemae.com/loanlookup/ and type in your address, city, state, etc. Just click the above address to view the site. Why do you want to know if Fannie Mae owns your loan and can this tool be used for your clients? The reason you may want to know if Fannie Mae owns your mortgage is because this information is helpful in regards to refinancing your home. Especially if the balance is high and you are trying to refinance using their Home Affordable Refinance Program for people with high loan to value (6 comments)