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More about Jason Winkler

As managing broker/Branch Leader of the Lake St. Louis/Wentzville Office, I offer a supportive, creative, educational and productive workplace to affiliated agents. Licensed since 2000 I have many years in the real estate industry that give me a strong understanding of the marketplace and help me to develop creative thinking strategies which allow me to empower my sales associates in successfully completing transactions and becoming an advocate for their clients. I have an open-door policy and I am willing to offer help to every independent agent so that they can achieve their business and life goals. Providing agents with ongoing coaching opportunities to ensure that our office operates on the cutting edge of industry technology and standards is also a high priority. I am a firm believer in being a non-competing broker enabling me to focus all my energy on individual agents and office growth.

The Lake St. Louis/Wentzville office is conveniently located off Lake St. Louis Blvd in the City of Lake St. Louis with quick access to the HWY 364 and HWY 40 enabling us to service the Greater St. Louis Area. Our office is staffed with a fun mix of diverse professionals who have worked to become hardworking and helpful agents. We pride ourselves on our commitment to our clients, our community and each other while maintaining high ethical standards. Whether you are looking to purchase a home, sell a home, relocate or invest in the St. Charles, St. Louis, Warren and Lincoln County real estate markets, our agents are here to promote positive and sustainable growth to the area.

CORE 4 VALUES - Helping Agents Live Exceptional Lives


middot; The Region's Most Trusted Brand

middot; Experienced Management and Support Team

middot; Innovative Marketing Suite

middot; Lead Generation and Referral Programs

middot; Complimentary Core Tools


middot; Comprehensive Company-Wide Coaching and Learning Opportunities

middot; Personal In-Office Coaching and Workshops

middot; On-Demand Learning

middot; eMarketing Coaching


middot; Be Part of Something Truly Great

middot; Better Together

middot; The Best of CBG

middot; CBG Cares

middot; Client Appreciation and Networking Events


middot; ABC Commission Plan

middot; Comprehensive VIP Program

middot; Referral Rewards

middot; Legal Assistance Program

Whether you are considering a career in real estate or you have previous experience and are interested in learning more about our CORE 4 VALUES and a change to Coldwell Banker Gundaker, Lake St. Louis/Wentzville Office feel free to call or text Jason at 314-803-3638 or email We would be happy to have you as a part of our team!