Sanborn Maps The Digital Sanborn Maps collection is a browsable set of more than 660,000 digitized images of the 1867–1970 Sanborn maps for approximately 12,000 cities and towns in the United States.
The maps contain information such as the outline of each building, the size, shape and construction materials, heights, and function of structures, location of windows and doors. The maps also give street names, street and sidewalk widths, property boundaries, building use, and house and block numbers.