A Four-Story Residential Development Pitched a Block From DC’s Social Safeway A new residential development may be in the works for the northern edge of Georgetown. Fortis Companies has applied for Old Georgetown Board review of a concept that would replace the single-story commercial building and surface parking lot at 1805 Wisconsin Avenue NW (map) with a four-story building, delivering residential units above retail. story continues belowloading... Rendering of first design option, S Street façade. Click to enlarge. While the exact number of units are still being determined, the proposed building would have roughly 35,000 square feet of residential and 10,000 square feet of retail space. There would also be 23 below-grade parking spaces.