Data Download and Viewer

Welcome to the Howard County, Maryland data download and viewer page. This page contains a growing repository of information provided by various county departments for use by the general public. For more interactive and static maps, please click on the Map and Data Tools tab

Below are our three primary applications. For over a dozen additional applications and viewers choose the "Map and Data Tools" tab.

My Neighborhood

Find a Howard County address and view detailed information about it including nearby public facilities.

Click for My Neighborhood

Interactive Map

Load and overlay different county datasets on an interactive map. For more advanced users.

Click for Interactive Map

Map Gallery

View general-purpose PDF maps generated by various county agencies for easy printing.

Click for Map Gallery


Budget - past budgets books in PDF format (1980 - 2013)
  • Fiscal Year Budget Books             2010 - 2013
  • Choose Individual Budget Year:      

  • Fiscal Year Budget Books             2000 - 2009
  • Choose Individual Budget Year:      

  • Fiscal Year Budget Books             1990 - 1999
  • Choose Individual Budget Year:      

  • Fiscal Year Budget Books             1980 - 1989
  • Choose Individual Budget Year:      

Active Rental Units
Active Rental Units - 2013
Health Department
Food Establishments
Liquor Board
Liquor Licenses
Utility Permits - 2009
Underground Utility Permits

Spatial Data (GIS)

Map and Data Tools

Columbia - Final Development Plans (NEW!)
View and download Final Development Plans (FDP) for Columbia New Town Zoning.

Link To Website
Address List Generator
Draw a shape or create a buffer and generate a list of all addresses in that shape or buffer. You create an address mailing list from the resulting data using other software.

Link To Website
Aerial Photography Map Viewer
View historic and current aerial photography from 1943 to the present in this easy to use application.

Link To Website
Crime Statistics Map
View census data on a map grouped by census block.

Link To Website
Community Registration Map
Use Community Registration to define a community boundary and a notification boundary to receive notifications via email with information regarding the pre-submission community meeting in your area.

Link To Website
Development Plans + Public Meetings Map
Find public meetings or view current and past development plans near a specific address on a Google map. Download plan documents and contact relevant planners and engineers.

Link To Website
Geodetic Survey Control Map
Find Geodetic Benchmarks and Stations around Howard County. View linked scanned recovery cards for more detail and relevant coordinate information.

Link To Website
Green Infrastructure Map
Green Infrastructure is an interconnected network of: waterways, wetlands, woodlands, wildlife habitats, natural areas, and working farms and forests, that support native species, maintain natural ecological processes, sustain air and water resources, and contribute to the health and quality of life for communities and people.

Link To Website
Health Inspections
This website provides you with access to inspection reports for each of the facilities the Howard County Health Department licenses.

Link To Website
Healthy Howard Restaurant Map
Find a Healthy Howard designated restaurant on a Google map and view the healthy items on the menu.

Link To Website
Historic Sites Viewer
View historic sites and districts and download related documentation.

Link To Website
Howard County Government Campus Arboretum
A wonderful assortment of trees has been planted around this complex of county office buildings. The interactive map will help you locate and identify these trees and retrieve more information.

Link To Website
Map Gallery
View general-purpose PDF maps generated by various county agencies.

Link To Map Gallery
Map Gallery Bin
The Map Gallery Bin was created as respository for custom maps created by various county agencies for particular projects. It contains a dynamic search to help filter through the maps you want.

Link To Map Gallery Bin
My Neighborhood
Find an Howard County address and view detailed information about it including nearby public facilities. Also, view the address and related information on a Google map.

Link To Website
Preservation Easements
Find Preservation easements througout Howard County. Easements include various Agricultural, Environmental, Preservation, and Historic easements and trusts.

Link To Website
Voter Information Map
This Google Map application lets you key in an address and return the relevant polling location as well as driving directions to that polling location.

Link To Website

Web Services

Howard County publishes over 180 datasets as both WMS (Web Map Service) and WFS (Web Feature Service) layers for use on its own websites and for use by the general public. These web services are used by the county in many of the websites listed on the "Map and Data Tools" tab as well as the interactive map on the "Welcome" tab.

Note: These web services are in testing at the moment and their URLs are subject to change in the future.

Web Map Services

A Web Map Service (WMS) is a standard protocol for serving georeferenced map images over the Internet that are generated by a map server using data from a GIS database. The specification was developed and first published by the Open Geospatial Consortium in 1999. (Source: Wikipedia)

WMS Service Link WMS Capabilities Document

Web Feature Services

The Open Geospatial Consortium Web Feature Service Interface Standard (WFS) provides an interface allowing requests for geographical features across the web using platform-independent calls. (Source: Wikipedia)

WFS Service Link WFS Capabilities Document

Data Explorer Web Services

These web services are .NET-based .asmx web services that power some of our interactive mapping applications. They include the following Data Explorer Service Link

Other Resources

Howard County maintains strong data sharing relationships with surrounding local jurisdictions as well as the state and Federal government. These are data access resources provided by other government agencies and non profit organizations that might be helpful and/or supplemental to the data provided on this website.

Local County/Municipal Resources

Maryland State Resources

Federal Resources

Other Organizations


Howard County GIS

The GIS division provides data, tools, and technical assistance to almost every County agency. Technical assistance, programming and recommendations for standards are available to the many County departmental users who create and maintain data layers that are critical to their mission.

Disclaimer: Howard County strives for data accuracy. If you find errors or have questions, please email us.. By using this data and application you agree to the Howard County Terms of Use.