1. Below is an example of detailed lot dimensions for Square 2862 overlaying DC's basemap (roads, sidewalks, building footprints etc).
2. Below is a link to an interactive web mapping application (DC Real Property Finder) that uses OCTO Geospatial's OwnerPoly, Condo Approval Lots, and the CondoRelate table.  All are part of the property and land map service.

DC Real Property Finder