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Welcome to Waltham's New GIS Data Viewer! The site is still in the beta testing phaseso please bear with us while we continue to refine the functionality. If you have any questions or need assistance with the site you can contact our GIS Administrator by clicking here.

Before you begin using the site you may want to review the attached help document: Getting Started.


The City of Waltham does not make any warranty, expressed or implied, nor assure any legal Liability or responsibility for the accuracy, completeness, or usefulness of the Geographic Information System Data provided herein. The data do not take the place of a professional survey and have no legal bearing on the true shape, size, location, or existence of a geographic feature, property line, or political representation. The City of Waltham requests that any use of this information be accompanied by a reference to its source and the City of Waltham’s caveat that it makes no warranties or representations as to the accuracy of said information. Any use of this information is at the recipient’s own risk.