Public Works Permits

The following information is intended as a guide to help property owners, consultants and contractors navigate the City of Missoula’s Public Works permitting process.  Select your permit type (below) to determine which permits are required for your project and determine how to apply for a permit.

Utility and Engineering Inspections

Call (406) 552-6040 or Text (888) 413-4439 for the IVR Inspection Hotline to schedule all City Engineering inspections and final inspections. Printable Instructions and inspection codes are available online. 

The permit number is required when calling in inspections. This number was provided on the permit at time of payment and issuance. The permit number can be found by going to the permitting portal, clicking on Engineering and searching by address (street number and street name only). No registration on ACA is required for this.

  1. Excavation Permits

Excavation Permit(s) (20YY-MSS-EXC-#####) are required for:

  • All public and private Sanitary Sewer Mains, Water Mains, Storm Water Mains, within the Right-of-Way (ROW) or within Public Utility Easements (PUE), both for new construction and for repairs to existing mains.
  • Private (dry) utility mains or underground construction of private utility services within the ROW or PUE, such as fiber, electrical, and buried cable.  
  • Stand-alone fire hydrants, drywells/sumps, and potholing.

Based on the type of excavation permit you are applying for, read below for requirements and the details on the permitting process.

Excavation Permit for Public Utility Mains

  1. Plans for public utility mains (Sanitary Sewer, Water, Storm Water) must be submitted per Chapter 3 of the Missoula City Public Works Standards and Specifications (MCPWSS).
  2. Once plans are approved (Stage 4 – Release For Construction), the excavator should complete a Public Works Utility Connection Permit Application. Excavators must include City’s PW Project # (ex:  2021-036) on all correspondence with the City.
  3. Email all required documents to coordinators@ci.missoula.mt.us or drop the application off at CPDI. 
  4. Permit & Business License Coordinators will work with applicant to pay and issue permit.

Excavation Permit for Drywells/Sumps

  1. Complete a Public Works Utility Connection Permit Application. If this is being reviewed in relation to a building permit, include the building permit # or address on the application form. If this is not related to a building permit or project, complete and submit a Drywell Application.  
  2. Email all required documents to coordinators@ci.missoula.mt.us or drop the application off at CPDI. 
  3. City Engineering will review and approve your application. 
  4. Once approved, Permit & Business License Coordinators will work with applicant to pay and issue permit.

Excavation Permit for Potholing

  1. For stand-alone potholing projects, complete a Public Works Utility Connection Permit Application, and prepare a site plan and quantities list 
  2. Email all required documents to coordinators@ci.missoula.mt.us or drop the application off at CPDI. 
  3. City Engineering will review and approve your application. 
  4. Once approved, Permit & Business License Coordinators will work with applicant to pay and issue permit.

 Excavation Permit for Private Utility Mains and Services

  1. Plans for private utility mains must be submitted as required per Chapter 2 of the Missoula City Public Works Standards and Specifications (MCPWSS).
  2. The excavator should complete a Public Works Utility Connection Permit Application. Excavators must include City’s PW Project # (ex:  2021-036) on all correspondence with the City.
  3. Email all required documents to coordinators@ci.missoula.mt.us or drop the application off at CPDI. 
  4. Permit & Business License Coordinators will work with applicant to pay and issue permit.
  1. sewer Permits
  1. WATER PERMITS
  1. STORM WATER PERMITS
  1. RIGHT-OF-WAY USE PERMITS
  1. RIGHT-OF-WAY CONSTRUCTIOn PERMITS
  1. PRIVATE PAVING PERMITS
  1. ADA PERMITS
  1. SWPPP PERMITS
  1. FENCE PERMITS
  1. Public Works Infrastructure ( Stage Process)
  1. FAQ
  2. Fees & Payments
  3. MDT Permit Info