CRS DEVELOPMENT, INC, is a privately-owned remodeling business, not a real estate licensee.  They offer remodeled HOMES FOR SALE.  Sometimes, they will offer a home for sale before the remodeling is done, giving the Buyer a bargain price and a livable home.  Click on the For Sale tab above.  They are an  EPA-Certified contractor to conduct lead-based paint renovation, repair & painting activities.  Their phone number is (708) 357-2086.