Applications and Map Viewers

The Map Viewers, developed using the ESRI ArcGIS for Server technology, allow users to display, find, identify, and print map features located in Montgomery County, Maryland. The Montgomery County Government believes that the data presented in these Map Services are accurate. However, the Montgomery County Government and its data suppliers do not guarantee and make no warranties for the accuracy of the data presented in these map viewers. Please read the Internet Map Server Disclaimer carefully prior to selecting an Internet Map Service, or a map viewer .

Montgomery County Property Map Viewer - Accessible Property Map Viewer

This Map Viewer displays many property related data (Zoning, Contour, Water Category, Sewer, and Aerial Image) in a map format. It also provides charting, query, zoom in/out, and print map functionalities.

Official Zoning of Montgomery County, Md. (Query and Print)

The official zoning maps are maintained in GIS format by the Planning Department (MNCPPC). Each proposed change will appear in this data and through this web application after it is approved by the Montgomery County Council.

Properties in Montgomery County

This useful map application allows users to zoom in to a property and a popup window will display information about the property.

About My Address

A useful text-based application that prompts users to enter an address then it will provide all the useful information such as: Regional Service Centers, Municipalities, Communities, Subdivisions, Police Geography, Fire Geography, Council Distirct, State Legislature, Congressional District, Solid Waste, Planning Areas, Water Sheds, and Census Block Group Data.

Montgomery County Bikeways Map Viewer - Accessible Montgomery County Bikeways Map Viewer

Use this map to find a Montgomery County Bikeway route, path, or trail.

Demographic Data Viewer - Accessible Demographic Data Viewer

View race data in pie chart and age data in bar graph, for Census Tracts and Block Groups. Data source: 2012 American Community Survey, US Census Bureau.

2012 and 2016 Presidential Election Results by Precinct Map Viewer - Accessible 2012 and 2016 Presidential Election Results by Precinct Map Viewer

Click on an area of the County to view individual precincts' results from the 2012 and the 2016 Presidential Election.  Use the Slider to compare 2012 and 2016 Presidential Election Results.  Data source: Maryland Board of Elections.

Montgomery County Public Safety Map Viewer - Accessible Montgomery County Public Safety Map Viewer

Fire stations are presented with roads and municipal boundary data. In addition, Police districts, beats, and reporting areas are also provided.

Montgomery County Streetlight Web Map

Report a Streetlight malfunction using this map service. Developed by TEBS-ADT.

Historical Image Map Viewer

Digital aerial photos and orthophotos taken in various years are currently served using Lizardtech's MrSID Image Server technology. The photos are indexed by the WSSC map tile.