Richmond Cohousing Sets Sites on Manchester News by Michael C. Hild - October 29, 2018October 30, 201818 The Richmond Cohousing group has been searching for a suitable location for years, with Manchester squarely in its target area. It appears they are now ready to announce their location at 901 Porter Street in Manchester. What is cohousing, you ask? Here is how the Richmond Cohousing site describes themselves on