Verified Healthy Building


KBS Realty Advisors

Verify ID:


Expiration date:

September 06, 2021 - September 05, 2024

Verification Mark

Facility Information

Accenture Tower, 500 West Madison Street, Chicago, IL 60661 

Applicable To:

See Address Above

Marketing Claim Verified by UL Solutions

Verified Healthy Building for Indoor Air

Verification Method

UL’s Healthy Buildings Verification Mark for Indoor Air demonstrates that indoor spaces provide healthy indoor air quality (IAQ). It shows a commitment by building owners and managers to create and maintain indoor environments that support tenant health, well-being and comfort, backed by UL’s globally recognized expertise in IAQ and building health. These buildings meet rigorous performance criteria and have policies and plans in place for continual advancement of IAQ. To achieve the UL Healthy Buildings Verification Mark, spaces underwent a desktop audit and on-site visits that include visual inspections and performance testing to evaluate a range of building conditions. The program includes an annual comprehensive assessment coupled with surveillance at the mid-year point. The IAQ testing requirements verify that the building air meets rigorous standards. These standards are aligned with industry-recognized, third-party organizations such as the Environmental Protection Agency (EPA), the National Institute for Occupational Safety and Health (NIOSH), the World Health Organization (WHO) and the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE), among others. All laboratory testing and analysis methodologies are informed by the EPA Compendium of Methods, ASTM D5197 and TO-17 for air sampling, and EPA methods.

About the Company

Accenture Tower is truly a “City Within A City”. The bustling mixed-use tower lends an environment to its tenants that no other office building in Chicago can provide. The site which the building was built on was the former headhouse of the 1911 North Western Station which is now known as Ogilvie Transportation Center, spanning a full city block. The 4,500 plus tenant employees can walk off their train, stop by the food hall for coffee, zip up to their office, get a lunchtime workout in, an afternoon game of shuffle board and back to their train ALL without having to leave the building. Additionally, the building sees 115,000 commuters daily. Accenture Tower is a LEED Gold certified, 43-story, 588-foot, Class A mixed-use building originally designed by Helmut Jahn and opened in 1987. The building was designed to mirror a group of three traditional Art Deco towers attached shoulder-to-shoulder and clad in blue glass. It's massing of a shaft on top of a podium with additional setbacks at the top is a method used for one hundred years to make sure that light reaches street level. By covering this building in reflective blue glass, it maximizes the amount of light it shares and also helps blend into the sky to reduce its visual footprint. Some believe the shape of the building is reminiscent of a cash register but it is actually intended to look like a waterfall to help link it to the Chicago River one half block to the east. Comprised of 38 stories of office space plus 2 floors of public use and retail, 500 West Madison contains a total of 1,457,724 rentable sf with 51 office tenants, 42 retail tenants and approximately 4,500 employees. The building boasts in unparalleled amount of natural light indoors with its 9-story atrium on the north and the 5-story atrium on the south.

What is UL Verification?

UL Verification is an objective, science-based assessment that confirms the accuracy of marketing claims. Our independent assessment process scrutinizes the validity of specific advertising or promotional statements, giving you a way to separate verified fact from fiction.