KBS Realty Advisors, established in 1992, invests, manages, develops and sells commercial real estate assets for institutional, corporate and private investors throughout the United States. It offers a variety of services, such as asset and property management, underwriting, due diligence, portfolio accounting, mortgage finance and servicing, and property development. The firm also undertakes market research activities, and provides lease administration and building maintenance services. It has acquired more than 450 assets nationwide, including garden office parks, office buildings, commercial complexes, industrial parks and multifamily residential properties. KBS Realty Advisors is headquartered in Newport Beach, Calif., and has branch offices in Chicago, San Francisco, New York City and Washington, D.C.