• Hours: Mon-Thurs 7:30 AM- 5:30 PM

  • Additional hours may be available by appointment.

The GIS department provides print and online maps of Jefferson County inclduing jurisdictions such as school districts, wards, precincts and fire districts.

Print (Paper) Maps

Paper maps are custom printed as needed and there may be a charge based on size. Please schedule an appointment if you need a paper map.

Online Maps

Online maps provide basic information about the county. Cadastral records may not be the most current version and should be verified through the Clerk and Recorder. Please be sure to read the disclaimer in full before clicking the link


Maps are provided for reference purposes only and are NOT an official record. Data comes from many sources and may be incomplete or innacurate. Jefferson County doesn't warrant in any form the completeness or accuracy of data. They do not contain survery grade data and in some areas of the county they may be off as far as sixty feet. They can NOT be used to precisely locate property boundaries or encroachments. When accessing online maps from mobile devices you may incur additonal charges from your data plan provider. You must accept this disclaimer to access maps.

Base map layers are provided by ESRI and may contain incorrect or outdated information.

I certify that I have read, understand and agree to the disclaimer above.

Rural Addressing

Property addresses are assigned through the GIS Department for residents outside of the city limits of Boulder and Whitehall. Addresses inside the city limits are assigned by the respective town.
Most rural addresses can be assigned over the phone during a fifteen minute call; you will need to have a legal description or a tax ID number for the parcel available.

It is VERY important to use the correct address so that you can be located by emergency services. Please verify your address directly with the GIS Department or town and do not rely on information from other sources.

  • Rural Addressing (406)225-4156
  • City of Boulder (406) 225-3381
  • Town of Whitehall (406) 287-3972

Address Markers

Address markers are available for free but must be picked up at the GIS Office in Boulder. They are now being custom cut for each address so please call a day in advance.You will need to have or get an address verification letter which can be obtained through this office.