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Also known as: Penobscot Building, Smith

645 Griswold – Greater Penobscot Building – Steel-frame forty-seven-story skyscraper faced in granite and terra cotta (1927-29) – Wirt C. Rowland of Smith, Hinchman & Grylls, architect. Corrado G. Parducci, sculptor. This is the third and largest component of a cluster of buildings that all bear the Penobscot name (see entries for 131 W. Fort and 140-50 W. Congress). Standing at the corner of West Fort Street and Griswold, the Penobscot building fills the site to the alley to the south. The building is square in plan in its six-story base but then front and back light courts give the upper stories almost to the top an H-shaped form. This structure was the final addition to the Penobscot Buildings, and was the tallest building in Detroit for fifty years. The Indiana limestone walls rise unimpeded to the top of the thirtieth story from a base of gray granite to a series of setbacks that terminate in an apex surmounted by a red neon beacon. Ornamenting the building is a Native American figure rising above the grand, four-story, mahogany granite entrance archway on Griswold Street. Native American figures also decorate the interior in the travertine marble of the main floor lobby and metalwork of the elevator doors. Above the base containing the lobby and shops on the first floor and banking quarters in the first five floors, an H-shaped floor plan accommodates office space. The various roof levels are flat. Dramatic exterior lighting accentuates the tower’s upper setbacks at night. The 1928 Penobscot Building connects to the 1905 and 1916 Penobscot Buildings via a hallway and staircase to the west side of the property. In 1929 the building’s lower stories housed the Guardian Trust Co., Guardian Detroit Bank, and Guardian Safe Deposit Co., and the offices of the Guardian Detroit Group holding company. From 1933 to 1944 the Manufacturers National Bank of Detroit occupied the main second-floor banking space.
NRHP Ref# 09001067 • Data from National Park Service • Content available under CC BY-SA 4.0
Penobscot Building 645 Griswold Street Detroit Financial District Wayne, Michigan Rebecca B. Savage 7-13-09 Western View 0008
Public Domain (Michigan filing for National Register of Historic Places)
The Greater Penobscot Building, commonly known as the Penobscot Building, is a class-A office tower in Downtown Detroit, Michigan. Constructed in 1928, the Art Deco building is located in the heart of the Detroit Financial District.
Upon completion, the Penobscot Building was the eighth-tallest building in the world, the fourth-tallest in the United States and the tallest outside of New York and Chicago. Rising 566 feet (173 m), the 47-story Penobscot was the tallest building in Michigan from its completion in 1928 until construction of the Renaissance Center hotel tower in 1977. Ally Detroit Center (formerly One Detroit Center) surpassed the Penobscot as the tallest office building in Detroit upon its completion in 1993. The framing elevation drawing of this building shows a height of 562.166 ft (171.348 m) to the highest roof, approximately 565.75 ft (172.44 m) to the parapet wall around the roof, and 654.166 ft (199.390 m) to the top of the warning beacon atop the antenna.
The Penobscot has 45 above-ground floors and two basement levels, for a total floor count of 47. Although the Penobscot Building has more floors than Ally Detroit Center (45 above-ground floors compared to 43 for Ally Detroit Center), the floors and spires of One Detroit are taller, with its roof sitting roughly 60 ft (18 m) higher than that of the Penobscot.
The building is named for the Penobscot River in Maine. The building was named by Simon J. Murphy, President of the Simon J. Murphy Company. Murphy named the building from his association with lumbering in the Maine woods and on the Penobscot River in Maine. Motifs in art deco style ornamentation is used on the exterior and the interiors. The following version of the choice of the name of the building is found in an undated publication believed to have been published concurrent with the building's dedication in 1928:
The architect Wirt C. Rowland, of the prominent Smith Hinchman & Grylls firm based in Detroit, designed the Penobscot in an elaborate Art Deco style in 1928. Clad in Indiana Limestone with a granite base, it rises like a sheer cliff for thirty stories, then has a series of setbacks culminating in a red neon beacon tower. Like many of the city's other Roaring Twenties buildings, it displays Art Deco influences, including its "H" shape (designed to allow maximum sunlight into the building) and the sculptural setbacks that cause the upper floors to progressively "erode".
The opulent Penobscot is one of many buildings in Detroit that features architectural sculpture by Corrado Parducci. The ornamentation includes American Indian motifs, particularly in the entrance archway and in metalwork found in the lobby. At night, the building's upper floors are lit in floodlight fashion, topped with a red sphere.
The building's architect, Wirt C. Rowland, also designed other Detroit skyscrapers, such as the Guardian Building and the Buhl Building, in the same decade.
The tower is also connected to two older and smaller buildings, the 1905 Penobscot Building and the Penobscot Building Annex (1916). Together, the buildings comprise the Penobscot Block, located at Griswold Street and West Fort Street. The Greater Penobscot was the last portion of the complex to be developed.
On holidays, both the Penobscot Building and the nearby One Woodward Avenue light-up for the night, with red, white and blue for Independence Day and Canada Day; and red, white and green for the Christmas season. In addition, during the Christmas season, the Penobscot Building's radio broadcast tower is illuminated bright gold, to resemble a giant glowing Christmas tree topped with a flashing red beacon. The Penobscot Building has become a souvenir item along with other Detroit skyscrapers.
The first televisions in Michigan were sold in the retail space on the Griswold level of this building.
For a period of time in the late 1970s and early 1980s, it was renamed the City National Bank Building, after its major tenant. When City National was acquired by another bank and renamed, the historic Penobscot name was revived.
The Penobscot Building is a contributing property in the Detroit Financial Historic District, and on the National Register of Historic Places.
In May 2012, the Penobscot Building was sold for $5 million to the Toronto-based real estate company, Triple Properties Detroit. The building has since incurred numerous fines and code violations from the city of Detroit.
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