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County building permits

Unincorporated St. Louis County

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

Last verified
April 2026
On this page 6
§ 01

Permit authority

St. Louis County Planning and Zoning / Planning and Community Development

Street address
320 West 2nd Street, Suite 301, Duluth, MN 55802; 201 South 3rd Avenue West, Virginia, MN 55792
Coverage
St. Louis County administers land use and zoning permits in county-administered areas. St. Louis County does not administer the Minnesota State Building Code countywide; local cities or townships may administer zoning in some areas.
Online portal
FTG Connect / Mitchell Humphrey Permit Portal
FTG Connect / Mitchell Humphrey
§ 02

When a permit is required

Permit triggers and exempt work for St. Louis County

County land use permits are required for many construction and land-use activities in county-administered areas. Separate state or local permits may also be required for electrical, plumbing, septic, wetlands, floodplain, access, and other specialty work.

Note: No county page reviewed published a single exhaustive exempt-work list for county land use permits. Confirm exemptions directly with county staff before relying on one.

Required documents
  • Application with parcel ID and site address or 911 address request
  • Project information and description
  • Site sketch
  • Septic permit copy when triggered by application questions
Building code
St. Louis County does not administer the Minnesota State Building Code; county pages expressly state this.
Permit validity
Permit extension beyond 2 years is listed in the county fee schedule.
Contractor requirements
Not specifically stated in county land use sources; Minnesota state specialty licensing still applies.
§ 03

Application process

Application → plan check → issuance → inspection → final

  1. 01
    Confirm whether the parcel is in a county-administered zoning area by reviewing the Administration of Zoning map.
  2. 02
    Review the county land use permit fee sheet and identify the correct permit type.
  3. 03
    Create a portal account or prepare a paper application package.
  4. 04
    Complete the application with parcel ID, site information, project details, and attachments such as a site sketch; septic permit copies are required for some applications.
  5. 05
    Pay fees online or by mail/in person as directed by county staff.
  6. 06
    County staff review the application and issue the land use permit or request corrections.
  7. 07
    Track the permit in the portal and coordinate any required follow-up with county staff or specialty inspectors.

Source: St. Louis County Planning and Zoning / Planning and Community Development ↗

§ 04

Fee schedule

St. Louis County building permit fees

Fee type
Amount
01
Minimum permit fee
$70 for permit extension beyond 2 years; common construction permits start at $95; many new buildings start at $185
02
Permit fee formula
Flat by permit type on the county 2026 permit fee sheet
03
Penalty (no permit)
After-the-fact fee of two times the regular fee for county planning permits

Portal payment available; county instructions also reference paper and mailed payment routes.

Fees change periodically. Confirm at the official fee schedule ↗ before budgeting.

§ 05

Required inspections

Scheduling and sequence

§ 06

Frequently asked

Common questions about unincorporated St. Louis County permits

01 Do I need a building permit in unincorporated St. Louis County, MN?
County land use permits are required for many construction and land-use activities in county-administered areas. Separate state or local permits may also be required for electrical, plumbing, septic, wetlands, floodplain, access, and other specialty work.
02 How much does a building permit cost in unincorporated St. Louis County, MN?
Building permit fees in unincorporated St. Louis County, MN are set by the local building department and vary by project type and valuation. The minimum permit fee is $70 for permit extension beyond 2 years; common construction permits start at $95; many new buildings start at $185. Fees are calculated as: Flat by permit type on the county 2026 permit fee sheet.
03 How do I apply for a building permit in unincorporated St. Louis County, MN?
To apply for a building permit in unincorporated St. Louis County, MN, follow these steps: 1. Confirm whether the parcel is in a county-administered zoning area by reviewing the Administration of Zoning map. 2. Review the county land use permit fee sheet and identify the correct permit type. 3. Create a portal account or prepare a paper application package. 4. Complete the application with parcel ID, site information, project details, and attachments such as a site sketch; septic permit copies are required for some applications. 5. Pay fees online or by mail/in person as directed by county staff. 6. County staff review the application and issue the land use permit or request corrections. 7. Track the permit in the portal and coordinate any required follow-up with county staff or specialty inspectors.
04 How do I schedule a building inspection in unincorporated St. Louis County, MN?
Once your permit is issued and work reaches an inspection milestone, you can schedule a building inspection in unincorporated St. Louis County, MN via: County permit portal (tracking and messaging).
last verified April 2026 source St. Louis County Planning and Zoning / Planning and Community Development ↗ entry id permits/minnesota/st-louis/unincorporated

Educational reference. Permit rules and fees change — confirm current requirements directly with St. Louis County Planning and Zoning / Planning and Community Development before applying. Jaspector is not legal advice.