Building Division

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Due to the recent 'Shelter in Place' orders directed by the Governor of Montana, the following changes have been implemented within the Building Division:

Inspections: Inspectors will continue to perform inspections on any new residential or commercial construction projects. Inspections that require access into occupied areas of both residential and commercial structures are suspended until further notice. Inspectors are not allowed into any occupied area of structures. Please leave a detailed message at 258-3701 to request an inspection or email the request to

Office: Our office is currently closed due to COVID-19 precautions. Office staff will be working remotely. Please continue to submit permits online at MissoulaCounty.Build. We will also have drop off and pick up boxes outside our office during office hours. Please coordinate permit submittals and pickups with a staff member by calling 258-3701 and leaving a detailed message or emailing


The Missoula County Building Division:

  • Located at 6089 Training Drive - approximately 1 ½ miles west of the Airport off of Hwy 10.
  • Seeley Lake satellite office located at 3360 Hwy 83 N.
    • Call (406) 258-3701
    • Office hours: Mon. - Fri. from 10 a.m. - 12 p.m.

To apply for a permit online, please go to:




  • Details on outbuildings over 200 sq ft: In Missoula County, the design criteria to be used for pole barns, garages, carport and storage buildings, shall be designed to at the least a Risk Category II as stated in Table 1604.5 of the International Building Code.  Risk Category III and IV structures are determined by the importance of the structure and occupancy category as dictated in the Building Code. We will not accept structures designed to a Risk Category I.  

  • Effective July 1, 2017:  For any permits issued on or after July 1, a $45 fee will be charged for the replacement of the red building permit cards that are kept on job sites during construction.

  • Are you in the market to purchase a new home?  See our Homeowners Resource Guide for tips to help you navigate thru some of the road bumps!


 FINAL web Homeowner Info Brochure 2017   FINAL web Homeowner Info Brochure 2017 (1)





Has Flooding Affected Your Structure?

Flooding can be a stressful time, property damage, the possibility of evacuation, workers and volunteers coming and going... The Building Division has put together this quick informational guide to help property owners navigate what to do in case flooding has affected their home. If you have any questions, please feel free to call the Building Division at 406.258.3701.

  Flood Facts Building


Located Outside Missoula County

If you are located OUTSIDE of Missoula County, you may still need a permit.  Please refer to the State Department of Labor & Industry to see if a permit is required in your area.

If you have questions about State permitting and codes, click here.


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