Maps & GIS/Spatial Data

Department of Planning & Zoning

General Information
Subdivision Digital
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Map & Data

What is GIS?

GIS stands for Geographic Information Systems, which is a collection of computer hardware, software, and geographic data for capturing, managing, analyzing, and displaying all forms of geographically referenced information.

GIS is a proven technology that has been used widely by government and other organizations for more than 30 years to support the mapping and management of information tied to a physical location in space.  The majority of information that is collected and used by government agencies, utility companies and other public and private organizations is geographically referenced.  GIS applications provides users with a wide array of capabilities for getting information, integrating multiple databases, generating maps, performing queries, and producing various analyses.  GIS also provides and efficient way to keep data current and consistent.  Government agencies trust GIS technology to establish and regulate policy and to strengthen the welfare of their citizens. GIS is also an intelligent means for agencies to provide public information.

The History of GIS in Washington County Planning and Zoning

Washington County has been using GIS technology in the Planning and Zoning Department since 1991. In 2004, a subcommittee was appointed to study the idea of how GIS should be expanded, supported and managed within the county organization.  A Needs Assessment was completed in 2005 and identified the need to create an Enterprise GIS office in the Information Technologies Department.  In April 2006, an Implementation Plan was present to and adopted by the Washington County Board of County Commissioners and serves as the guide for the establishment of a GIS Office within the Information Technologies Department.  The GIS Office was officially created on July 1, 2006 and is focused on implementing interoperable technologies, standards and methods so that GIS data and service can support core county business needs more efficiently and effectively. Washington County Planning and Zoning contributes to over 30 datasets currently housed in the Enterprise GIS database.

The Role of GIS in Washington County Planning and Zoning           

The Planning and Zoning GIS staff support the planners with mapping and data analysis. The support also extends to other departments within the county. Some of the main products this department is responsible for are: parcel mapping, preservation mapping, addressing, and comprehensive plans (ex. Water and Sewer Plan, Solid Waste Plan, and Land Preservation Parks and Recreation Plan. Throughout the year, the GIS staff is responsible for tracking and updating many datasets including: Forest Conservation Easements, Census Data, Annexations, and Zoning.


Web Maps

Washington County Parcel and Zoning Map

Digital Spatial Data

The Washington County Planning Department maintains a list of GIS layers available for sale in one of two digital formats (.dwg or .gdb formats). These layers are updated on a delayed basis and any official changes may not be immediately available for sale.  In some instances, the GIS layers are representations used for visualization and are not the official copy maintained by the Planning Department.  

See GIS Home Page to Obtain Digital Spatial Data

Map Prints

Selected 8-1/2" x 11" County maps are available in PDF format for download.  These maps are also available as 36" x 48" hard-copy GIS prints (unless otherwise noted) with various source background data such as: the county boundary, municipal boundaries and road centerlines which make up the core mapping elements.

Warning – Disclaimer of Liability

Washington County Planning Department disclaims any responsibility for errors and/or for the accuracy of the information shown in the maps below. Washington County also reserves the right to make changes to any and all of the datasets without notice. Washington County Planning Department makes no warranties or representations whatsoever regarding the quality, content, completeness, accuracy or adequacy to the map links below. These maps were created for use by the citizens of Washington County and are intended for informational purposes only and should not be scaled or reproduced in anyway. Any modifications or changes to these maps are prohibited without the express prior written approval of the Planning Department GIS.

Map Title Publication Date
2010 Census Tracts April 2013
Growth Area Boundaries July 2005
Land Use Plan (24x36) July 2005
Major Urban Developments April 2015
Priority Funding Areas January 2013
Protected Lands (See web map) January 2013
Special Program Areas (24x36) August 2002
Parks Lands October 2006
Sewer Service Boundaries (w/ Water Service) January 2005

Washington County Soils Data

Detailed soils data is available on CD from the Washington County Soil Conservation District, in cooperation with the US Department Natural Resources Conservation Service. 

Other Local GIS Mapping Links

Links to other GIS Maps produced by the County Planning Office can be found within various county ordinances, such as the 2002 Comprehensive Plan for Washington County, the Land Preservation, Parks, and Recreation Plan, and the Solid Waste Plan.


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