History

Philadelphia City Hall. Photo by Thomas Koloski

Looking at Philadelphia City Hall in Center City

The Philadelphia City Hall, located at 1400 John F. Kennedy Boulevard in Center City, is an astonishing 548-foot tall structure that was completed in 1901 (though occupation first started in 1877) at the intersection of Market Street and Broad Street. The nine-story structure is the world’s tallest freestanding masonry building and has a lovely Second Empire style architecture (also known as Napoleon III style), with the municipal floors and the clock tower decked out with decorative cornices and pillars. The building was designed by John McArthur Jr. and Thomas Ustick Walter. McArthur has also designed the First National Bank and Walter was the fourth architect of the Capitol building in Washington DC, having designed the Capitol dome on top of the Capitol Building.

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Philadelphia 1945 south elevation. Models and image by Thomas Koloski

Philadelphia YIMBY Presents Massing Renderings of the 1945 Skyline

In the 1940s, development in Philadelphia progressed at a slow pace as over the previous four years the United States of America was engaged in World War II after Japan’s surprise attack on Pear Harbor on December 7, 1941, further slowed down by the Great Depression, which lasted through the 1930s. However, in the preceding decades, many ornate buildings rose into the skyline with fantastic masonry designs. Most of the largest buildings were built around the City Hall in Center City, which created a hub of development when the Second Empire style building was completed in 1901.

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Bank of the Southwest Tower in the Houston skyline. Image via Jahn/Murphy, Inc

Looking at the Unbuilt Bank of the Southwest Tower, Houston’s Precursor to One Liberty Place

Before One Liberty Place topped the Philadelphia skyline in 1987, a larger skyscraper, also designed by Helmut Jahn, was proposed in the city of Houston, with a design that featured striking similarities to the future Philadelphia tower. Known as the Bank of the Southwest, the supertall was planned to count 82 floors, with an angled crown capped with a sharp spire that would rise 1,404 feet high. The larger office floors were to have angled cuts on each corner. The firm of Jahn/Murphy, Inc. was chosen after a design contest in 1982 and the tower was projected to be completed by 1986. The tower was cancelled by 1983 due to a lack of funding, but elements of the design were later integrated into the Philadelphia skyscraper.

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East Market Phase 3. Credit: National Real Estate Development / Ennead Architects / Morris Adjmi / BLTa via CDR

In-Depth Look at East Market Phase 3, a Two-Tower Complex Underway at 1101-53 Chestnut Street in Market East, Center City

In the late 1980s, in rapid succession, a series of skyscrapers broke through the long-held “Gentlemen’s Agreement” that unofficially restricted Philadelphia’s buildings from rising above the 548-foot-tall pinnacle of City Hall, creating the now-iconic skyline of Center City. While the skyscraper cluster transformed the area to the west of City Hall, the Market East district to the east continues to lag behind in terms of an imposing skyline. However, East Market Phase 3, developed by National Real Estate Development as part of the East Market complex and currently under construction at 1101-53 Chestnut Street, will boost the local skyline with a pair of towers rising 364 and 288 feet tall. The buildings will bring one million square feet of medical office, residential, and retail space to the neighborhood, and add a sizable public plaza. Today we take a detailed look at the transformative project.

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The Centennial Tower. Image from Clarke, Reeves and Company

Remembering the Unbuilt Centennial Tower in Fairmount Park, West Philadelphia

During the planning for the Centennial Exposition of 1876, expo organizers put forth a bold proposal for an incredibly tall structure called the Centennial Tower in Fairmount Park, where two buildings still remain from the expo. The tower was planned at 1,000 feet tall, well before any skyscrapers were built in the city. The tower would have risen as large cross-braced tube that slims down at the top, capped with a short cone top and lightning rod, and would have featured four observation levels. The metal structure was designed by Clarke, Reeves and Company, which had also designed an older bridge that stood at then site of the current Girard Avenue Bridge.

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