Portland Condos, The Koin Tower is home to the prestigious Fountain Plaza condominiums. These Portland condos have sweeping views of the city, Mt. Hood and Willamette River from floor to ceiling windows. Just steps from the Portland Keller Auditorium, parks, restaurants, theaters, Portland Art Museum and the symphony makes this one of the most centrally located condominium building in Portland OR. Koin Tower’s amenities include secure underground parking and concierge. Built in 1985, these condos are located on the upper floors of the KOIN Tower Building with 11 floors and 44 Portland condo homes.