Royal Ridge

As a family-run business, we strongly believe in the concept of community. We even pioneered the residential Ground Lease concept in the Midwest, developing in northern Illinois’ most sought-after communities with high-profile projects like Royal Ridge, a private, gated community of 151 single-family and duplex homes.


  • Custom Home Builders
  • Home Remodeling
  • Commercial Developments
  • Residential Developments

KZF Development

Excellence, turnkey and dedication are all words you should hear when building a custom home. At KZF Development, those three words are part of the cornerstone on which our company was founded more than 40 years ago. As partners, Joe Kogen, Suzann Kogen-Friedman, Daniel Zivin and Steve Friedman utilize their collective knowledge and expertise of the construction industry to build the ultimate in single-family homes, townhouses, condominium units and apartments.