Location Closure The Hamilton Branch is closed Tuesday, April 15 due to facilities maintenance.

Location Closure The Northwood Branch will be closed beginning Monday, April 21 for HVAC replacement.

Location Closure The Forest Park, Washington Village, Reisterstown Road, & Brooklyn branches are closed for facility improvements. Learn more here.

Holiday Closing All Pratt Library locations will be closed Friday, April 18 in observance of Good Friday.

Home / Research / Databases / Maryland & DC Sanborn Maps

Maryland & DC Sanborn Maps

Sanborn Maps

Browse a selection of Maryland and Washington DC Sanborn Maps from 1890–1953. Search and manipulate the maps, magnify and zoom in on specific sections, and layer maps from different years. Powered by ProQuest.

Accessible in all Pratt Library locations, or from home with your library card.