Olmsted County, Minnesota
Stewartville is a city in Olmsted County, Minnesota. Stewartville adopts its own zoning, so inside its limits Stewartville’s rules apply, not the county’s. Septic permits inside Stewartville come from Olmsted County (Olmsted County Planning Department - Septic (SSTS) Program · 507-328-7100). 16 rules below are quoted from official sources and independently re-checked, most recently on November 5, 2026. Rules for unincorporated land are on the Olmsted County page.
New, altered, or nonconforming use subject to the City floodplain zoning provisions.
“No building, land or structure may be occupied or used in any manner until a certificate of zoning compliance has been issued”
Land inside the incorporated area of Stewartville city.
“The incorporated area of the City, Minnesota, is hereby divided into the following districts”
The incorporated area of Stewartville city.
districts: R-1, R-2, R-3, B-1, B-2, M-1, M-2, P/SP, FW, FF, FP
“R-1 Low Density Residential R-2 Medium Density Residential R-3 Multifamily, High Density Residential”
Manufactured homes in Stewartville's Ag, R-1, R-2, and R-3 residential districts.
“Manufactured homes shall be located and installed according to the same standards”
Manufactured-home subdivisions inside Stewartville city.
minimum subdivision size: >= 15 lots (Manufactured-home subdivision.) · minimum lot size: >= 5000 square feet (Manufactured-home subdivision.)
“A manufactured home subdivision shall contain not less than fifteen (15) lots.”
Stewartville does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
New construction, additions, and alterations inside Stewartville city limits.
“Building permits are required for new construction, additions to existing construction, and alterations to existing construction.”
Buildings governed by the State Building Code, including those inside Stewartville city.
“The State Building Code is the standard that applies statewide”
Building projects inside Stewartville city that are administered by the Olmsted County Inspections Division.
“carrying out field inspections for each building project.”
Principal structures in Stewartville's Ag, R-1, R-2, and R-3 residential districts.
minimum principal-structure floor area: >= 768 square feet · minimum main-body dimension: >= 20 feet
“The principal structure shall have a floor area of not less than seven hundred sixty eight (768) square feet”
Properties in Stewartville's Shoreland Overlay District.
maximum impervious surface lot coverage: <= 25 percent (Except identified properties subject to a 40 percent maximum.)
“shall not exceed an impervious surface lot coverage of twenty-five percent (25%)”
Recreational vehicles in Stewartville's mapped floodplain districts.
“New recreational vehicle parks or campgrounds and expansions to existing recreational vehicle parks or campgrounds are prohibited in any floodplain district.”
Subsurface sewage treatment systems in Stewartville city, a small city in Olmsted County.
“This Ordinance shall apply in all areas of Olmsted County, whether incorporated or unincorporated.”
Agricultural buildings within the Olmsted County building-permit jurisdiction, which includes Stewartville city.
“Agricultural buildings built within Olmsted County’s jurisdiction are not required to obtain a building permit. An agricultural use permit is required. This holds true as long as the use of the building is used strictly for agricultural purposes only as specified in Minnesota State Statutes Section 326B.103, Subdivision 3:”
Development requiring a permit in Stewartville's mapped floodplain districts.
“A permit must be obtained from the Zoning Administrator”
Building permits administered for Stewartville city by Olmsted County.
residential and commercial building state surcharge: 0.05 percent of valuation (In addition to listed permit fees.)
“Residential and Commercial building - 0.05% of valuation”
Building-permit applications for construction inside Stewartville city limits.
“When submitting a building permit application, please also email electronic copies of plans”
We looked and could not find an official answer yet. Silence is not permission; ask Stewartville or Olmsted County directly.
Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.
Unanswered questions are usually a sign that Stewartville publishes no rule on the point, not that none exists. Olmsted County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Stewartville means bringing your own water and power. The kit we’d start with:
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