Gary Williams

Portrait photo of Gary Williams

St. Charles

950 Caledonia Drive
O’Fallon, MO 63368

Office Phone: 636-720-1100

Licensed In


Ask Gary Williams


Gary is an excellent realtor. He goes above and beyond at every step throughout the process. Gary has helped me buy a house and also sell a house and he is fantastic. Extremely knowledgeable. I would recommend him highly.

- Carolyn Ware

Gary is a professional and a partner in the process. We have bought or sold four properties with Gary as our realtor and I’d gladly partner with him on four more.

- Andy Vigna

I am a first time home buyer. I was referred to Gary Williams. Upon first meeting him, he was very welcoming and very knowledgeable. Gary was very responsive and attentive with all of my question and concerns. He was well aware of what I was looking for and we did find exactly that. I am so thankful that I had Gary on my side for the ups and downs of trying to buy a home. He is an amazing realtor and anyone would be lucky to be able to work with him.

- Carolyn St. Charles, MO