The Lake County Courthouse, Lake County Montana
The Lake County Courthouse
Flathead Lake Montana
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McDonald Lake, Ronan Montana
Lake County GIS Department

CIP Plan

How to contact us:

Warren C. Fahner Jr. (Chuck) – GIS Coordinator
Lake County GIS Department
106 4th Ave East
Polson, MT 59860
(406) 883-7212

Michael Rave - GIS Technician:

Hours: Monday thru Friday, 8:00 a.m. – 5:00 p.m.

*GIS office is subject to close when field work is necessary, generally on Fridays. Call 406-883-7212 and leave a detailed message if you need help on a day that the GIS office is closed or see Lita in the Planning department for addressing questions*

Online Mapping service can be found here.

Property boundary changes are updated by the GIS Department and transferred quarterly to the Montana Information Technology Services Division’s Cadastral Mapping Project. The ITSD maintains a website of our parcel data which is linked to property appraisal records (CAMA data) from the Montana Department of Revenue. If you would like to research current property ownership for other counties, go to  .

Paper maps are available for purchase in the plat room of the Clerk and Recorder’s Office.
Some of these are:
• Lake County Road Maps
• Incorporated cities of Lake County (Polson, Ronan, and St. Ignatius)
• Zoning districts
• School districts
• Voting precincts
• Fire districts
• Herd districts

A wide variety of GIS data for Lake County and other Montana Counties can be downloaded from the Montana State Library Natural Resource Inventory System (NRIS) website at: 
NRIS also maintains an interactive mapping website at:

For prices on GIS Services see the

To make a request of the Lake County GIS Department please fill out the following form and mail or deliver it to the GIS Department:

* Shipping Charges will be applied for mailed items*
GIS custom map per hourly state employee market rate MC2-6-110 



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