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When a permit is required
Permit triggers and exempt work for Deer Lodge County
New construction, alterations, and additions in unincorporated Deer Lodge County
Note: Exemptions not explicitly detailed in publicly available online sources. For determination of exempt work categories, contact Building Inspector at (406) 563-4011.
- Full set of construction plans from Registered Design Professional or Engineer
- Building code
- Montana Building Code 2021 (International Residential Code 2021 for residential; 2021 International Building Code for other buildings); Montana plans to adopt 2024 ICC codes in mid-2026. The jurisdiction is certified by Montana Department of Labor and Industry to enforce building codes locally.
- Permit validity
- Six months from date of issuance; construction must begin within six months or permit expires
- Owner-builder
- Montana owner-builder exemptions may apply for certain residential buildings; contact Building Inspector at (406) 563-4011 for determination
- Contractor requirements
- County business license required for any contractor doing business in Anaconda-Deer Lodge County; no permit issued without active business license
Source: Building Inspector's Office ↗
Application process
Typical processing: Minimum two weeks from receipt of completed application and plans
- 01 Determine if Administrative Development Permit (ADP), Septic Permit, Well Permit, or Driveway Approach Permit required
- 02 Obtain full set of construction plans from Registered Design Professional or Engineer
- 03 Submit Building Permit Application with all required plans to Planning Department
- 04 Planning Department review
- 05 Address any plan review comments
- 06 Pay permit fees
- 07 Building Permit issued; construction must begin within six months
- 08 Schedule inspections as work progresses
- 09 Final inspection and approval
Typical processing time: Minimum two weeks from receipt of completed application and plans
Source: Building Inspector's Office ↗
Fee schedule
Deer Lodge County building permit fees
Contact Planning Department at (406) 563-4010 for detailed fee schedule with dollar amounts
Fees change periodically. Confirm at the official fee schedule ↗ before budgeting.
Required inspections
Scheduling and sequence
- Through the building permit system (phone)
Typical sequence: Typical sequence: foundation, framing, mechanical/electrical/plumbing, final. Contact Building Inspector at (406) 563-4011 to confirm required inspection sequence.
Source: Building Inspector's Office ↗
Frequently asked
Common questions about unincorporated Deer Lodge County permits
01 Do I need a building permit in unincorporated Deer Lodge County, MT? ▸
02 How do I apply for a building permit in unincorporated Deer Lodge County, MT? ▸
03 How long does it take to get a building permit in unincorporated Deer Lodge County, MT? ▸
04 How do I schedule a building inspection in unincorporated Deer Lodge County, MT? ▸
Educational reference. Permit rules and fees change — confirm current requirements directly with Building Inspector's Office before applying. Jaspector is not legal advice.