Olean Olean Ellicott Development Company OleanOne Blue Bird Square175 N. Union St., Olean, NY 14760 Main Office: (716) 854-0060 Olean Office Direct Line: (716) 372-5555 My Listings 208 N 24th Street – Former Walsh School Price: Beds: Baths: 129 N Union St, Olean Price: Beds: Baths: 1770 DeSoto Lane Olean Price: Beds: Baths: Lincoln Park Office Suites, Olean Price: Beds: Baths: Blue Bird Square, Olean Price: Beds: Baths: Westgate Plaza, Olean Price: Beds: Baths: Holiday Park Centre, Olean Price: Beds: Baths: Delaware Park Centre, Olean Price: Beds: Baths: Delaware Executive Office Suites, Olean Price: Beds: Baths: