Tiarna Real Estate Services, Inc. is a comprehensive commercial real estate firm serving landlords in California, Arizona, and Colorado. We specialize in property management, brokerage, and investment services. Formed in 2000 by a close-knit group of industry veterans who share a common vision of a better style of real estate services, Tiarna’s founders remain actively involved in the daily activities of our client’s investments, providing an unparalleled level of service.