Koy Stewart Homes


How can I assist you?

Hello, my name is Koy Stewart and I am a real estate agent with Vanguard Properties. I have a passion for helping people find their dream homes and making the buying or selling process as smooth as possible. I am dedicated to providing top-notch service to my clients and exceeding their expectations. I have an in-depth knowledge of the local real estate market and stay up to date on the latest trends and developments. My clients can rely on me to provide them with the most current information and expert guidance throughout the buying or selling process. As a dedicated and skilled real estate professional, I understand that buying or selling a home can be one of the most important decisions in a person's life. That's why I strive to provide my clients with the highest level of service, expertise and professionalism. I am committed to providing my clients with an unparalleled level of attention, communication, and follow-up throughout the entire process. I am here to help my clients buy or sell their home, whether it be their first home, an investment property or their dream home. I am here to help you navigate the complex and ever-changing real estate market. I would be honored to assist you in finding your next home or selling your current property. Thank you for considering me as your real estate agent, I look forward to the opportunity to work with you. Please don't hesitate to contact me if you have any questions or if you are ready to start the buying or selling process.

Koy Stewart

Father / Husband/ Real Estate Agent

Knowledgeable, helpful, flexible. Outside the box kind of thinking! He Knows the area and market!

– Client Feedback

Knowledgeable, helpful, flexible. Outside the box kind of thinking! He Knows the area and market!

– Client Feedback

Koy Stewart has been an active member of his community for 20+ years. Koy Stewart is ready to help with your home buying and selling needs with a passion for service in the Sonoma County and Napa areas. 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. Koy is diligent about keeping up-to-date on market trends and has demonstrated his expertise with millions of dollars in sales.

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 the community, 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.

No mater what your property needs are!

I'm dedicated To Helping You Finding Your Next Home.

Wine Properties

In town

Second Home

Dream Home

Christopher B. (Buyer)

Knowledgeable, helpful, flexible I really enjoyed working with Koy on purchasing a property in Sonoma County not far from the Russian River. He was always ready to answer a call or text and walk me through everything that came up. I highly recommend Koy.

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