Molina Healthcare sells Troy building to Missouri buyer, downsizes footprint Molina Healthcare sells Troy building to Missouri buyer, downsizes footprint About half the building now up for lease Few Molina employees in the building on a regular basis CoStar Group Inc. The nearly 200,000-square-foot Molina Healthcare building in Troy has sold to a new owner and the Long Beach, Calif.-based company has downsized its footprint by about half. Molina Healthcare has unloaded its Michigan headquarters located in Troy to a Missouri buyer after vacating a chunk of the building last year. The purchase price is not revealed in public documents conveying a 198,000-square-foot building in the Troy Corporate Center to new landlord Integris Ventures, based in Creve Coeur, Mo.