County Building Permits
Olmsted County, MN - 2026 Building Permit Guide
How to apply for a building permit in unincorporated Olmsted County, Minnesota. Permit authority, application steps, fees, and inspection requirements.
Permit Authority
County-administered building, plumbing, mechanical, well, and septic permitting applies in the unincorporated areas of Marion, Oronoco, Quincy, and Eyota townships as published by Olmsted County; county well permits also apply countywide where a property is not on municipal water.
- Department
- Olmsted County Planning Department, Inspections Division
- Address
- 2122 Campus Dr SE, Suite 100, Rochester, MN 55904
- Phone
- 507-328-7100
Online Permit Portal
Platform: Accela Citizen Access • Account required: Yes • Submission: In-person only
Application Process
- Confirm the parcel jurisdiction with the county jurisdiction checker if the site is near a city boundary or township with separate controls.
- Complete the county permit application and assemble the required site plan, construction drawings, and any trade, well, or septic documents tied to the project scope.
- Submit online through Accela, or deliver by email, mail, or in person to the Planning Department.
- County staff review for zoning, code, and environmental items; additional materials may be requested depending on the project.
- Pay permit, plan review, surcharge, and related review fees.
- Receive the issued permit before starting work and schedule inspections through the county portal or department.
Source: Olmsted County Planning Department, Inspections Division
General Requirements
Building permits are required for structural work, new dwellings, additions, remodels, trade work tied to larger projects, manufactured homes, rooftop solar, and septic systems in the county-administered unincorporated area; agricultural buildings used strictly for agricultural purposes require an agricultural use permit rather than a building permit.
Required Documents
- County building permit application
- 2 copies of site plan showing setbacks
- wells/septic
- 2 sets of drawings/specifications
- energy calculations for new homes
- townhome sprinkler information when applicable
- and additional scope-specific information.
- Permit validity
- Public county web page does not publish a standalone validity statement; confirm permit duration with the county at issuance.
- Building code
- Minnesota State Building Code, with county zoning and septic rules layered on top.
- Owner-builder
- County publishes a Property Owner Waiver. Owners acting as general contractor attest they qualify for the Minnesota homeowner exemption, are not building on speculation or for resale, and accept code and licensing responsibilities.
- Contractor requirements
- County application requires contractor license numbers; county owner waiver states Minnesota residential building contractors, remodelers, and roofers must be state licensed unless exempt.
Fees
- Minimum permit fee
- Residential building permit, $84 for valuation $1 to $5,000; commercial building permit, $84 for the lowest published bracket; agricultural building permit, $135.
- Plan check fee
- 65 percent of building permit fee.
- Permit fee formula
- Valuation-based for most building permits; residential and commercial schedules published by project valuation, plus state surcharge, zoning review, and applicable trade/well/septic charges.
- Reinspection fee
- Footing fees are added if work starts before permit issuance; county page also warns permits must be issued before work starts.
- Payment note
- Accela supports online payments and permit tracking; county also accepts email, mail, and in-person submittals.
Fees change. Verify current amounts at the official fee schedule.
Work That Does NOT Require a Permit
- Strictly agricultural buildings do not require a building permit if they remain agricultural use only; an agricultural use permit is required.
- Public county page does not publish a full county-specific exempt-work list; verify Minnesota Rule 1300.0120 exemptions with the county for minor finish work.
Inspections
How to Schedule
- Through Accela Citizen Access or by contacting the Planning Department. (phone)
Starting work before permit issuance can trigger added fees; confirm reinspection charges on the current fee schedule.
Additional Resources
- Building code: Minnesota State Building Code, with county zoning and septic rules layered on top.
- Zoning information: View zoning info
- License lookup guide: Minnesota Contractor License Requirements
- Contract template: Minnesota Homeowner-Contractor Agreement
- Minnesota hub: Minnesota Contractor License & Permit Hub
Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the Olmsted County Planning Department, Inspections Division before applying.
Frequently Asked Questions
Olmsted County Building Permit FAQ
- Do I need a building permit in unincorporated Olmsted County, MN?
- Building permits are required for structural work, new dwellings, additions, remodels, trade work tied to larger projects, manufactured homes, rooftop solar, and septic systems in the county-administered unincorporated area; agricultural buildings used strictly for agricultural purposes require an agricultural use permit rather than a building permit.
- How much does a building permit cost in unincorporated Olmsted County, MN?
- The minimum permit fee is Residential building permit, $84 for valuation $1 to $5,000; commercial building permit, $84 for the lowest published bracket; agricultural building permit, $135.. Fees are calculated as: Valuation-based for most building permits; residential and commercial schedules published by project valuation, plus state surcharge, zoning review, and applicable trade/well/septic charges.. Plan check fee: 65 percent of building permit fee..
- How do I apply for a building permit in unincorporated Olmsted County, MN?
- 1. Confirm the parcel jurisdiction with the county jurisdiction checker if the site is near a city boundary or township with separate controls. 2. Complete the county permit application and assemble the required site plan, construction drawings, and any trade, well, or septic documents tied to the project scope. 3. Submit online through Accela, or deliver by email, mail, or in person to the Planning Department. 4. County staff review for zoning, code, and environmental items; additional materials may be requested depending on the project. 5. Pay permit, plan review, surcharge, and related review fees. 6. Receive the issued permit before starting work and schedule inspections through the county portal or department.
- What work is exempt from building permits in unincorporated Olmsted County, MN?
- The following work is generally exempt: Strictly agricultural buildings do not require a building permit if they remain agricultural use only; an agricultural use permit is required.; Public county page does not publish a full county-specific exempt-work list; verify Minnesota Rule 1300.0120 exemptions with the county for minor finish work..
- How do I schedule a building inspection in unincorporated Olmsted County, MN?
- Inspections can be scheduled via: Through Accela Citizen Access or by contacting the Planning Department..
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