1900 West Loop South is completely smoke-free as required by City of Houston Ordinance. Smoking is prohibited in all areas of the buildings, including all elevators, stairs, lobbies, corridors, restrooms, mechanical, storage, and janitorial areas, as well as all offices and work areas. Smoking is not permitted outside of the building within 25 feet of any operable windows, doors, outdoor air intakes or outdoor cafe seating areas.

A designatted smoking area is located on the first level of the parking garage on the north side.