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Koy Stewart has been an active member of his community for 20+ years and is so excited to be turning that community focus toward real estate.



With a passion for service in the Sonoma County area, Koy Stewart is ready to help with your home-buying and selling needs. As a proud member of the Vanguard Properties family, Koy Stewart carries the values of hard work, integrity, and outstanding client service into everything he does.



He studied mathematics and liberal studies at Sonoma State University, and afterward began work as Director of Operations and IT at DeMeo Teen Club “Chop’s”. Passionate about youth development, Koy Stewart has continued to leverage his know-how and experience to exceed his client’s expectations.

Active in supporting youth, Koy Stewart continues to be a proud part of the DeMeo Teen Club’s effort to provide a safe, fun, and productive place where Sonoma County teens engage, connect and discover their true potential. “A society’s future success depends on the diversity and resiliency of today’s youth, coupled with the support of its community the days of tomorrow will be better than today.”

When Koy Stewart isn’t making home ownership dreams come true for his clients, he enjoys spending time with his wife, golfing, and gaming with his three boys. Koy Stewart lives in Santa Rosa with his wife Melissa and three sons