The Geographic Information Systems (GIS) Department resides within the Public Works department of Mason County. The GIS Department creates and maintains geographic data for the support of Mason County Public Works, other county departments, and the public. The GIS Department is committed to providing excellence in GIS services such as base map development, spatial data analysis, and map creation services.

Parcel Map Viewer

Welcome to the Parcel Map Viewer! This site will allow you to interactively explore maps and information about Mason County. You can search for a parcel, turn map layers on and off, measure, zoom in and out, find information about features on the map, and print.

If you have questions about how to use the site, please Click Here to view the Help page. You can also get to the help page by clicking the link on the top of the Parcel Map Viewer page.

We are continuously working to improve the site, so check back often for updates!

The Parcel Map Viewer is a way to deliver dynamic maps and data via the Web. Information about the county is displayed in the form of maps, tables, and text, and allows customers to search for a property using a parcel number, a street address, or by simply clicking on the displayed map. Mason County has created this interactive mapping tool in the interest of sharing information with the public in a convenient and easily accessible manner.

Map Viewer


Parcel Map and Data Corrections

Have you noticed an error with our parcels and or mapping services?
Please let us know Click Here


Please Click Here to read our help and how-to section.

Frequently Asked Questions (FAQs)

Please Click Here to read our Frequently Asked Questions.

Please Note - Site Requirements

Our interactive mapping site may use popup windows. If you use a popup blocker, you may need to disable it for this site. In addition this site may use cookies.

This site is best viewed with a high-speed internet connection and with a modern, currently supported web browsers.

Please Click Here for more site requirements.


Be advised that the Parcel Map Viewer is intended to serve only as a general reference guide, and that the data provided have limited accuracy. It should not be used as a substitute for specific advise from a licensed professional, and you should not act (or refrain from acting) based upon data viewed in the Parcel Map Viewer.

Please Click Here to view the full Disclaimer, Conditions and Terms of Use.