On this page 6
§ 02
When a permit is required
Permit triggers and exempt work for Lothair
Per Montana state law; 4+ dwelling unit residential structures require permits; fewer than 5 units exempt from building permits (electrical/plumbing required); alterations, additions, major repairs
Residential buildings fewer than 4 dwelling units (building permit exempt; electrical/plumbing required)
Farm and ranch buildings
Mining buildings
Private residential garages
Private storage
Minor repairs
- Exempt Residential buildings fewer than 4 dwelling units (building permit exempt; electrical/plumbing required)
- Exempt Farm and ranch buildings
- Exempt Mining buildings
- Exempt Private residential garages
- Exempt Private storage
- Exempt Minor repairs
Note: Per state law exemptions.
Required documents
- Building Permit Application
- Construction plans and specifications
- Site plan
- Building valuation estimate
- Engineering documentation if required
- Energy code compliance information
- Building code
- Montana Building Code 2021, Montana Residential Code 2021; 2021 International Energy Conservation Code
Source: Montana Building Codes Program ↗
§ 03
Application process
Typical processing: Approximately 3 weeks
- 01 Contact Montana Building Codes Program to determine permit requirement
- 02 Obtain application from state portal or by mail
- 03 Complete application with construction plans and valuation
- 04 Provide site plan and engineering if required
- 05 Submit to state program via portal or mail
- 06 State reviews (approximately 3 weeks)
- 07 Upon approval, receive permit and pay fees
- 08 Post permit on job site
- 09 Schedule inspections as work progresses
Typical processing time: Approximately 3 weeks
Source: Montana Building Codes Program ↗
§ 04
Fee schedule
Lothair building permit fees
Fee type
Amount
01
Permit fee formula
1-2% of building valuation
No fixed minimum fee. Obtain fee quote from Montana Building Codes Program at (406) 841-2056.
§ 05
Required inspections
Scheduling and sequence
How to schedule
- At least 24 hours notice required to inspector (phone)
- Scheduling deadline
- 24 hours before inspection
- Time windows
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Source: Montana Building Codes Program ↗
§ 06
Frequently asked
Common questions about Lothair permits
01 Do I need a building permit in Lothair, MT? ▸
Per Montana state law; 4+ dwelling unit residential structures require permits; fewer than 5 units exempt from building permits (electrical/plumbing required); alterations, additions, major repairs
02 How much does a building permit cost in Lothair, MT? ▸
Building permit fees in Lothair, MT are set by the local building department and vary by project type and valuation. Fees are calculated as: 1-2% of building valuation.
03 How do I apply for a building permit in Lothair, MT? ▸
To apply for a building permit in Lothair, MT, follow these steps: 1. Contact Montana Building Codes Program to determine permit requirement 2. Obtain application from state portal or by mail 3. Complete application with construction plans and valuation 4. Provide site plan and engineering if required 5. Submit to state program via portal or mail 6. State reviews (approximately 3 weeks) 7. Upon approval, receive permit and pay fees 8. Post permit on job site 9. Schedule inspections as work progresses
04 How long does it take to get a building permit in Lothair, MT? ▸
Building permit processing times in Lothair, MT typically run Approximately 3 weeks. Timelines can vary based on project complexity and current department workload.
05 What work is exempt from building permits in Lothair, MT? ▸
Not all construction work requires a permit in Lothair, MT. The following work is generally exempt: Residential buildings fewer than 4 dwelling units (building permit exempt; electrical/plumbing required); Farm and ranch buildings; Mining buildings; Private residential garages; Private storage; Minor repairs. Note: Per state law exemptions. When in doubt, confirm with the local building department before starting work.
06 How do I schedule a building inspection in Lothair, MT? ▸
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in Lothair, MT via: At least 24 hours notice required to inspector. 24 hours before inspection.
last verified March 2026
source Montana Building Codes Program ↗
entry id permits/montana/liberty/lothair
Educational reference. Permit rules and fees change — confirm current requirements directly with Montana Building Codes Program before applying. Jaspector is not legal advice.