Jason K. Jamison, SIOR
GM Properties, Inc.
13305 Penn Street, Suite 200
Whittier, CA 90602
Office: (562) 697-5000
Direct: (562) 762-3178
Fax: (562) 693-2126
Cell: (562) 547-1000
Broker/Agent Member since 1997
Jason K. Jamison, SIOR, is president of GM PROPERTIES, a commercial real estate firm whose services include leasing, sale and management of industrial, office and retail properties with a focus on the Mid-Counties, San Gabriel Valley and North Orange County markets. Jamison acquired GM PROPERTIES in 2001 from Mark and Mel Gilman, who established the firm in 1963. Currently, Jamison and his team of 25 agents and support staff represent a market portfolio of more than 1,000 multi-tenant industrial, office and retail units, comprising in excess of 4 million square feet of space. Since 2013, GM PROPERTIES has been ranked on the Los Angeles Business Journal’s list of top Industrial Property Management Firms in Southern California.

A member of AIR since 2000, Jamison has been on the Board of Directors since 2004 and has handled the duties of Membership Chair and Treasurer.

Jamison was honored as one of the “Top 40 under 40 in 2008” issued by Real Estate Southern California magazine in March ’08. Jamison also operates several other businesses, all of which are in the real estate industry,

An active member of SIOR since 2004 and ICSC since 2006, Jason also serves on several non-profit Boards. Jamison is a graduate of the University of Colorado at Colorado Springs with a Bachelor of Science degree in Finance. Jason, his son Luke and daughter Roxanne reside in Fullerton. In addition to running his real estate business, Jason is the head varsity baseball coach for Troy High School in Fullerton.