Affordable Housing Comes of Age: How Georgica Green Ventures Is Going Beyond Blueprint to BuildingRiverview Lofts (Georgica Green Ventures)Columbus Day, Halloween and the World Series are big dates to remember in October. For a region where the cost of the average single-family house is nearing $900,000, amid what’s widely seen as an affordable housing crisis, these developments are proof it’s possible to build quality, affordable housing here. All the levels of government work together to make it all happen.”AFFORDABLE HOUSING CRISISIt’s hardly news that Long Island faces an affordable housing crisis. I started to think about affordable housing differently.”Building affordable housing went from a largely abstract business model to a mission to build on Long Island. “They drive by this 100% affordable housing community,” he said of people in the area.