jaspector
§ MT Hill County
County building permits

Unincorporated Hill County

How to apply for a building permit in unincorporated Hill County, Montana. Permit authority, application steps, fees, and inspection requirements.

Code adoption
Montana 2021 IBC and related codes adopted June 2022
Avg processing
2-3 weeks
Last verified
March 2026
On this page 6
§ 01

Permit authority

Building & Commercial Measurements Bureau, Montana Department of Labor & Industry

Street address
301 S. Park Avenue, 4th Floor, Helena, MT
Phone
406-841-2056
Email
BUILDINGCODES@MT.GOV
Coverage
Unincorporated communities (Kremlin, Inverness, Box Elder, Rocky Boy, and other unincorporated towns in Hill County). State jurisdiction via Montana Building Codes Program.
Online portal
EBIZ.MT.GOV
State Accela system
Website
Department website
§ 02

When a permit is required

Permit triggers and exempt work for Hill County

Per state thresholds for new buildings, major alterations

Farm/ranch buildings
Residential under 5 units
Mining buildings
Private owner-use storage
  • Exempt Farm/ranch buildings
  • Exempt Residential under 5 units
  • Exempt Mining buildings
  • Exempt Private owner-use storage
Building code
Montana 2021 IBC and related codes adopted June 2022

Source: Building & Commercial Measurements Bureau, Montana Department of Labor & Industry ↗

§ 03

Application process

Typical processing: 2-3 weeks

  1. 01
    Contact Hill County Planning for zoning verification: 406-265-5481
  2. 02
    Submit state building permit application through EBIZ.MT.GOV if required
  3. 03
    State review (2-3 weeks)
  4. 04
    Address comments, pay fees
  5. 05
    Permit issued

Typical processing time: 2-3 weeks

Source: Building & Commercial Measurements Bureau, Montana Department of Labor & Industry ↗

§ 04

Fee schedule

Hill County building permit fees

Fee type
Amount
01
Permit fee formula
1-2% of project valuation per state schedule
§ 05

Required inspections

Scheduling and sequence

How to schedule
  • Call state inspector (phone)
Scheduling deadline
Minimum 24 hours before requested inspection

Typical sequence: Inspector: 72-hour response window

Source: Building & Commercial Measurements Bureau, Montana Department of Labor & Industry ↗

§ 06

Frequently asked

Common questions about unincorporated Hill County permits

01 Do I need a building permit in unincorporated Hill County, MT? ▸
Per state thresholds for new buildings, major alterations
02 How much does a building permit cost in unincorporated Hill County, MT? ▸
Building permit fees in unincorporated Hill County, MT are set by the local building department and vary by project type and valuation. Fees are calculated as: 1-2% of project valuation per state schedule.
03 How do I apply for a building permit in unincorporated Hill County, MT? ▸
To apply for a building permit in unincorporated Hill County, MT, follow these steps: 1. Contact Hill County Planning for zoning verification: 406-265-5481 2. Submit state building permit application through EBIZ.MT.GOV if required 3. State review (2-3 weeks) 4. Address comments, pay fees 5. Permit issued
04 How long does it take to get a building permit in unincorporated Hill County, MT? ▸
Building permit processing times in unincorporated Hill County, MT typically run 2-3 weeks. Timelines can vary based on project complexity and current department workload.
05 What work is exempt from building permits in unincorporated Hill County, MT? ▸
Not all construction work requires a permit in unincorporated Hill County, MT. The following work is generally exempt: Farm/ranch buildings; Residential under 5 units; Mining buildings; Private owner-use storage. When in doubt, confirm with the local building department before starting work.
06 How do I schedule a building inspection in unincorporated Hill County, MT? ▸
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in unincorporated Hill County, MT via: Call state inspector. Minimum 24 hours before requested inspection.
last verified March 2026 source Building & Commercial Measurements Bureau, Montana Department of Labor & Industry ↗ entry id permits/montana/hill/unincorporated
Report a correction

Educational reference. Permit rules and fees change — confirm current requirements directly with Building & Commercial Measurements Bureau, Montana Department of Labor & Industry before applying. Jaspector is not legal advice.

← Back to Hill County permit guides