Johns Manville Plaza, Modern skyscraper in Denver, United States.
Johns Manville Plaza is a 404-foot-tall (123 m) skyscraper at 17th Street in downtown Denver, completed in 1978 with 29 floors. Its outer walls alternate reflective solar glass windows with 5-foot-wide (1.5 m) columns. The building shares a plaza, basement and loading dock with 707 17th Street.
The building was designed by the architectural firm Hellmuth, Obata and Kassabaum and completed in 1978. Its construction marked a period of modern office tower development in downtown Denver during a time of business expansion.
This structure reflects late 20th-century office design focused on functionality and workspace efficiency within Denver's business core. Its clean lines and straightforward approach shaped how commercial buildings appeared in the downtown district during that era.
The plaza sits in downtown Denver on 17th Street and is easily reached by car or public transit. The entrance is visible from the street level, and the surrounding area offers parking options along with access to nearby shops and dining.
Johns Manville Plaza is the 16th tallest building in Denver, a ranking that shifts as new towers rise. Its outer walls alternate reflective solar glass with 5-foot-wide (1.5 m) columns, a pattern visible from the street below.
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