Karen Arenson
Coldwell Banker Residential Brokerage



Karen is committed to providing the opportunity for personal growth, encouraging innovation, and offering a fun and supportive work environment. She emphasizes true customer service, attention to detail and professionalism. In her office, Karen offers experienced agents access to the advanced training they need to excel within the industry and newly affiliated agents with a solid guidance that they can use to build their careers.  As a manager, Karen works one-on-one with her agents to help plan their goals and objectives. She conducts training classes and workshops in sales techniques, marketing, technology, customer service and continuing education. Karen's goal is to improve her agents' knowledge of the market and to ensure customer satisfaction. By creating an environment of successful agents, she is expanding the market share of her office and helping the community it serves.

Technology is one of Karen's strengths. Karen teaches technology classes every week focused on integrating the amazing technology tools that CB makes available to its agents with the business of real estate and building their businesses. Karen has also given seminars for Coldwell Banker offices in Illinois and Wisconsin and at numerous Expos.

If you are looking for a rewarding career in real estate Karen will provide you with Conscientious, Experienced, Innovative leadership to help you succeed in all your endeavors.

Personal Background 

Karen began her career in real estate with a small boutique Chicago office in the mid-1990s. Upon moving to the North Shore, Karen chose to work with Coldwell Banker, the only global real estate brand on the North Shore. She started in the Winnetka South office, and within a year, Karen was an award-winning independent agent. After four years as an agent with Coldwell Banker, Karen moved into management, becoming the managing broker of the Wilmette office. Three years later, Karen was honored to become the managing broker of the award-winning Winnetka North office as well.  And three years later, the Winnetka North and South offices merged with Karen as the managing broker of the combined mega-office, Coldwell Banker Winnetka. 

Company and Office Pride 

Karen takes pride in the fact that each of her agents have received her individual attention and unwavering commitment to help them achieve their business goals. She is assisted by the vast resources of Coldwell Banker Residential Brokerage, offering a unique combination of a global company with the personalized service of a local boutique. These resources, professional networks and knowledgeable staff provide you with the highest level of service and satisfaction.

Join the Best......Coldwell Banker Residential Brokerage


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  • Karen is the best! I have had many managers over my years in real estate and I can honestly say she is far superior to any manager that I  have ever had. She is an advocate for her agents and truly cares about my business and helping me be the best I can be. She is on top of the market, ahead of the curve in anything tech, always positive, and is quick to respond to any issues that may arise. I don't think she ever sleeps! I am delighted that I made the move over to CB and have the opportunity to work with such an exceptional manager and genuinely nice person.  - Beth Groebe 2016 (Came to CB from Berkshire Hathaway Home Services)

  • Karen is a very intelligent, organized and helpful manager who is a pleasure to work with. She has incredible IT skills, which one can learn so much from, and is always on a positive upswing! She is an asset anywhere!  - Jackie Thom  2015  (Came to CB from Prudential)

  • Karen is an exceptional managing broker. She has created a positive and supportive culture in our office and is dedicated to providing the knowledge, training and tools necessary to help her agents accomplish their goals. She's a great coach and mentor and will always go to bat to get us what we need, help us solve a problem or resolve a conflict.   As a real estate agent there is no better environment in which to work than the one we have right here in our office!  - Anne West 2015

  • Karen is an outstanding collaborator with endless supportive ideas to help her colleagues achieve their goals. Her "people skills" perfectly complement her extraordinary technical knowledge. Even with her busy schedule, she never fails to follow up on the myriad details of running an incredibly busy office.  -  Sue Hertzberg 2015
Karen Arenson

Karen Arenson

Coldwell Banker Residential Brokerage


Communities Served

Based on information submitted to the MRED as of Dec 10, 2019 12:35:pm. All data is obtained from various sources and has not been, and will not be, verified by broker or MRED. MRED supplied Open House information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.

NOTICE: Many homes contain recording devices, and buyers should be aware they may be recorded during a showing.