Johns Manville Plaza is a 404-foot-tall skyscraper (123 m) in Denver, Colorado. It was completed in 1978 and has 29 floors. The building was designed by Hellmuth, Obata and Kassabaum and built by Al Cohen Construction. It is owned by Brookfield Properties, and is the 16th tallest building in Denver. Reflective solar glass windows alternating with 5-foot-wide columns (1.5 m) makes up the outer walls. A plaza, basement, and loading dock are shared with 707 17th Street.

• List of tallest buildings in Denver

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