Homes by Bill Simms We are a fourth generation Dayton homebuilder with a reputation for excellence in home construction that spans more than 30 years. The same 100% commitment to quality that is recognized in our custom homes is the standard for every home we build. Throughout the years, founder Bill Simms and son, Mike Simms, recognized the need in the Dayton market for good quality homes with innovative designs and aesthetic appeal. These are the qualities we have built our reputation on, and the reason so many of our customers come back to us again and again.