According to the listing, the 5,000-plus-square-foot property features a rooftop terrace, a five-car garage and "endless amenities."
The Royal Metropolitan Group, the real estate company that listed the Curley Street home, declined to comment on the property Wednesday.
So, sorry, Canton-ites— you can't claim Phelps as your alleged neighbor anymore. (The swimmer moved to Arizona last year to train with longtime coach Bob Bowman.) But at least Phelps is staying true to his Baltimore roots — he still appreciates a good "O!" during the national anthem.
Baltimore Sun reporter Brittany Britto contributed to this article.