Index to Philadelphia, Bucks, Chester, Delaware, and Montgomery Counties PA area Sanborn Maps Volumes

Philadelphia Sanborn Maps collection imagePhiladelphia area (including Bucks, Chester, Delaware, and Montgomery Counties) Sanborn Index:  Interactive web map showing Sanborn maps of the Philadelphia area. Using this webmap will help you select the correct volume and locate the sheet.



Please email for assistance with the following maps still under copyright.

Under copyright until 2023

  • Volume 25 1927
  • Volume 26 1927

Under copyright until 2024

  • Volume 27 1928

Under copyright until 2025

  • Volume 28 1929