This 18 million SF compound is finally open. CityCenter comprises six projects: Aria Resort & Casino, Vdara Hotel & Spa, the Mandarin Oriental, Veer Towers, Crystals Retail and Entertainment, and the Harmon Hotel. The hospitality components comprises roughly 6,291 guestrooms. The $8.5 billion city within a city sits on about 67 acres in the heart of the Las Vegas Strip.

CityCenter is a joint venture between MGM Mirage and Infinity World Development Corp, a subsidiary of Dubai World and one of the largest privately developed construction projects in the nation.

O'Connor provided cost estimating and change order review services on Aria Resort and Casino, Veer Towers, and Mandarin Oriental.