The Mason County GIS Department provides free download of their standard GIS data sets in shapefile format.  Use the links below to access the download pages for the layers you need.  If you need a data set that is not listed here, contact the GIS Department to see if it is available.  Please note that the GIS Department only distributes data that it maintains.  Many other GIS datasets that cover Mason County are available from various state agencies.  We have provided links to the most common agency GIS data webpages on our “Links” page under the “Washington State GIS Data” section.

GIS DATA Links (the list of layers)

• Addressing Districts
• Allyn Urban Growth Area Zoning
• Belfair Urban Growth Area Zoning
• Cemetery District
• Common Places (Points of Interest)
• Contours 100 foot
• Contours 20 foot
• Contours 10 foot
• County Boundary
• County Bridges
• County Commissioner Districts
• County Zoning (Development Areas)
• Election Precincts
• Fire Districts
• Hospital Districts
• Parcels
• Physical Appraisal Areas
• Port Districts (with Port Commissioner Districts)
• Public Utility Districts (with PUD Commissioner Districts)
• Railroads
• Sanderson Airfield
• School Districts
• Sections
• Shelton City Limits Boundary
• Shelton Urban Growth Area Zoning
• Site Addresses
• Street Centerlines
• Townships
• Urban Growth Area, Rural Activity Center and Hamlet Boundaries
• Zip Codes