Originally known as the Buckingham, is one of the oldest apartment buildings in the city, dating from 1905. Its size and style reflect the elegant mansions that surrounded it at the time it was constructed. The Shannon is rectangular in plan, sitting on a triangular lot at the intersection of Union, University and Boylston streets. It is two and a half stories of wood frame construction with brick veneer. The building has a tall side gabled roof with stepped parapets in the Late Medieval style. The main entry in the center of the main elevation is arched and deeply recessed, surrounded with stone voussoirs. The rear elevation curves to match the curve of the street. This elevation has large parapeted gable dormers that match the front. The large dormers have four windows with a small one in the gabled end. The main facade has large aluminum-framed windows, with smaller single windows on the side elevations. The building has 22 units 4 studios, 8 one bedroom/1bath units and 10 two bedroom/1 bath units with an average of 654 square feet. The interiors of the units have been updated within the last few years. Some units feature ceiling fans, fully equipped kitchens with updated cabinets and. Floor coverings are mostly carpeting. There are two interior stairwells, one in front and one in the rear of the building. There is no parking available. The building is located in the center of First Hill, close to hospitals, churches, shopping, downtown and interstate. With a walk score of 99, the Shannon sits in a dream location.