The "city within a city", Houston Center, featuring 4.5 million of Class A office space combines a superior location, immediate access to major freeways, professional management, complete skybridge and tunnel networks, convenient parking, and an outstanding collection of amenities including downtown's only shopping mall, The Highlight at Houston Center. The 399-room world class Four Seasons Hotel, the Four Seasons Apartments, downtown Houston's most prestigious residential address, and the Houston Center Club are other prominent Houston Center landmarks. Houston Center features graciously landscaped plazas, intriguing public sculptures, and a beautiful 6.8-acre tree-lined urban garden linking the property to the George R. Brown Convention Center and 1,200-room convention center hotel. LyondellBasell Tower has attained the following certifications: WELL Health, LEED Gold, Boma 360, and Energy Star rated. Note: The operating expense shown does not include the 3% Management Fee.