Administrative overview · FIPS 27013
Blue Earth County permit authority
The first compliance decision is jurisdictional: identify the office with statutory authority over your parcel, then use its filing and inspection sequence to keep the project moving.
Jurisdictional status
County
This county profile is the primary starting point for unincorporated-area permitting.
Responsible agency
Blue Earth County Property and Environmental Resources Department, Property and Land / Planning & Zoning; municipalities for city limits and Lime and Mankato Townships
For a project in or near Blue Earth County, this office is the identified point of contact for permit intake, statutory code enforcement, plan review coordination, and inspection release conditions. Confirm the parcel’s boundary and project type before relying on the county lane.
Direct contact
(507) 304-4251
Call before mobilizing if the project has a boundary, occupancy, fire, septic, or utility question.
Permit counter
Blue Earth Government Center, 410 South 5th Street, Mankato, MN 56001
Operating hours
Monday-Friday, 8:00 a.m.-5:00 p.m.
Review expectation
Up to 10 business days from application to permit issuance, sometimes longer. A construction permit is valid for one year.
Compliance workbench
Choose the next project decision.
Apply online
Open the verified digital gateway, application form, and review timeline.
Open guide →Fees & penalties
Understand fee schedules, enforcement exposure, and stop-work liabilities.
Open guide →Codes & exemptions
Read the code framework, minor-work exemptions, and inspection lane.
Open guide →Agency website
Visit the primary public source for current notices and contact changes.
Open guide →Source trail
Official sources for this profile
Use these direct agency or licensing links to confirm current instructions before you file, pay, or schedule work. External pages control if their information differs from this directory.
Project questions
Frequently asked questions for Blue Earth County
Who handles permitting for this jurisdiction?
Blue Earth County Property and Environmental Resources Department, Property and Land / Planning & Zoning; municipalities for city limits and Lime and Mankato Townships is the identified county-level authority for this profile. Confirm that the property is in its service area before filing.
How should I begin an application?
Begin with the online permit gateway listed in the application guide. If the portal does not recognize the address or project type, contact (507) 304-4251.
How long might review take?
Up to 10 business days from application to permit issuance, sometimes longer. A construction permit is valid for one year.
How are inspections scheduled?
The official county construction page provides the Property and Land contact at (507) 304-4251 for permit questions; it does not publish a separate county building-inspection scheduling procedure. Applicants should confirm any required code inspections with the responsible city, township, or other building-code authority before construction.
Which codes and exemptions should I review?
Blue Earth County states that its construction permit deals primarily with site setbacks rather than publishing a county building-code inspection program. The county issues construction permits outside city limits in most townships; city limits, Lime Township, and Mankato Township use their own permitting authorities. Where the Minnesota State Building Code applies, the current framework is the 2020 Minnesota State Building Code and related 2020 Residential, Mechanical and Fuel Gas, Plumbing, Accessibility, Existing Building, and other chapters, with the 2024 Minnesota Commercial Energy Code; electrical permits filed before August 17, 2026 follow the 2023 NEC, with the 2026 NEC scheduled to take effect August 17, 2026. Outside city limits, permits are required for structures including agricultural structures, moved structures, additions including decks, and structural alterations such as roof-line changes and excavation for footings, foundations, slabs, or basements. Typical maintenance such as re-shingling, re-siding, or replacing windows and doors does not require a Blue Earth County construction permit, though the local zoning authority may have separate requirements.