A St. Louis-based investment fund has bought a 32-year-old office building in Longwood for $10.4 million, with the site's sole tenant GE Capital Consumer Finance.The buyer, ElmTree Funds, has a track record of investing in commercial properties with quality tenants. The fund also has a sister company that is a developer, KP Development.A representative for ElmTree did not respond to calls seeking comment.The Longwood property, at 140 Wekiva Springs Rd., is 67,775 square feet. There is room for another 15,000 square feet to be added to the building.GE has been at the site since it opened in 1983, and is operating with a new 10-year lease.Have a tip about Central Florida development? Contact me at email@example.com or (407) 420-5176. Follow GrowthSpotter on Facebook, Twitter and LinkedIn.