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After graduating from the University of Texas, Tammy enjoyed being a mother of 3 boys. Joining Gottesman Residential Real Estate the second year it was founded, she couldn’t believe the passion that developed as she gained clients who have developed in longtime friendships.


Tammy prides herself in offering a unique real estate experience and value proposition to her clients. She listens to her clients needs and responds promptly. Meeting her client’s needs is her first priority and she only feels success when her clients are happy.  Tammy’s experience and integrity are just a few of the attributes that make her an indispensable asset to your transaction process. 


She is a longtime member of Elite 25 – Top 1% of Industry and Top Agent Network - Top 10% of Industry.  In addition, she is a member of Top Agent Network, which is by invitation only, as well as the Austin Luxury Network and other private broker forums. 


She has been involved with numerous philanthropic organizations throughout the years including the Junior League of Austin and Juvenile Diabetes Research Foundation. JDRF is close to her heart as her youngest son has juvenile diabetes.  


Currently she finds personal enjoyment in being a Buddy at the Helping Hand Home for Children, running with Austin’s Gazelles and consistently enjoys running marathons, half marathons, and various charity runs throughout the United States and looks forward to the Eugene Oregon and Berlin Germany, next. 


Licensed Real Estate Broker  

Real Estate Council of Austin, member  

Austin Luxury Network, member  

National Association of Realtors, member  

Texas Association of Realtors, member  

Austin Board of Realtors, member  

Elite 25, longtime member 

Top Agent Network

University of Texas at Austin, BA  

Expertise in building and remodeling  


Tammy is assisted by Jessica Stathos, REALTOR®  


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Tammy Koen , Broker Associate

Gottesman Residential Real Estate