Welcome to The Millennium Group Serving Housing Authorities, Non-Profit & for Profit Developers Statewide THE MILLENNIUM GROUP is headquartered in Rocky Hill, Connecticut and provides a complete range of professional real estate services to the Connecticut marketplace. THE MILLENNIUM GROUP is a diversified real estate company providing Development, Construction Management, and Property Management for the affordable housing market as well as Corporate Facilities Management for market-rate apartments. Our qualified group is comprised of three separate unique companies that each offer complete turnkey solutions for all of your real estate needs.