Building permits, zoning and land rules in Waseca County, Minnesota

A rural Waseca County project generally starts with a county zoning permit, which is required for new construction and most remodeling, alteration and repair work in county-zoned areas¹. This zoning approval is distinct from a State Building Code permit. The Minnesota State Building Code is the minimum construction standard statewide for structures within its scope, but local administration still must be confirmed for the address⁸.

Residential construction within two miles of the City of Waseca limits also requires a City of Waseca building permit¹. County Planning & Zoning is the first call for rural parcel jurisdiction and zoning approval². Agricultural buildings receive exceptions under the statewide code, so describe the proposed use—not just the building style—when asking which approvals apply⁸.

Waseca County Planning & Zoning administers rural land-use and zoning ordinances and handles zoning, septic, subdivision, variance, rezoning and floodplain matters². Reach the office at (507) 835-0650, zoningpermits@wasecacounty.gov, or 300 N State St, Waseca, MN 56093².

The county publishes online applications for zoning, septic, demolition, conditional-use, variance, address, erosion-control and minor-subdivision matters, and applicants can apply and pay through GeoPermits⁹. Major and minor rural subdivisions are county-regulated, though major-subdivision applications are not available online². Residential construction within two miles of Waseca city limits also goes through the City of Waseca for a building permit¹. Inside Waseca, Janesville, New Richland or Waldorf, contact the respective city for planning and zoning².

Yes. Waseca County has zoning jurisdiction in every township, while Waseca, Janesville, New Richland and Waldorf administer planning and zoning inside their city boundaries^1,2. The county zoning map identifies the district for rural land; use that district before relying on dimensional standards¹.

Setbacks and coverage vary by district; the Agricultural district has no maximum impervious-surface coverage, but other districts and uses may^1,10. In the Village Mixed Use district, most structures are limited to 35 feet, with exceptions for agricultural structures, utilities, and communication or wind towers¹¹. Shoreland single-family lot standards vary by lake class and whether the lot is riparian, and only land above the ordinary high-water level counts toward minimum area³.

Waseca County Planning & Zoning handles subsurface sewage treatment permits in the county’s rural portions². Minnesota counties, cities and townships issue construction permits for most subsurface sewage treatment systems, while systems designed above 10,000 gallons per day require Minnesota Pollution Control Agency permitting¹². The county lists a septic permit application, and the 2026 septic permit fee is $250³. A septic system must hold a current certificate of compliance before a zoning permit can be approved³. For requests received between November 1 and April 30, the county may approve immediately, but the compliance inspection must be completed by the following June 1 and the certificate submitted by the following September 30³. Building permits inside the cities are separate, but septic in the rural parts of the county stays with Planning & Zoning².

Site feasibility deserves early attention: only 2.4% of mapped county soils avoid a “very limited” rating for a conventional septic drain field¹³. That does not make septic impossible, but it makes a parcel-specific soil evaluation important before fixing the house site. A detached accessory dwelling unit must also satisfy septic-system requirements³. Off-grid waste disposal remains subject to local ordinances and state environmental safeguards⁴.

Waseca County’s complete rule for living in an RV on private rural land could not be confirmed, so ask County Planning & Zoning about the parcel’s district, duration, utilities and sanitation before moving an RV onto the site². Recreational camping areas require a conditional-use permit and an annual license from the county³. New RV parks or campgrounds, and expansions of existing ones, are prohibited in county floodplain districts¹¹.

A complete rural tiny-home occupancy rule also could not be confirmed. Tiny houses used as dwellings are subject to the Minnesota State Building Code and local zoning¹⁴. County rules do answer two related cases: an ADU requires an existing single-family home, is limited to one per parcel, must be allowed in the zoning district, and must be between 300 and 800 square feet; manufactured homes generally belong in an approved park unless an ordinance exception permits independent placement under the district’s density, area and setback rules³.

1. Confirm whether the parcel is in a township or within Waseca, Janesville, New Richland or Waldorf, because the cities administer their own planning and zoning².

1. Ask County Planning & Zoning to confirm the rural zoning district, dwelling type, setbacks, floodplain or shoreland constraints and zoning application².

1. Confirm who administers the building code for the address; residential construction within two miles of Waseca city limits also requires a City of Waseca building permit¹.

1. Establish septic feasibility and obtain rural SSTS approval through County Planning & Zoning².

1. Obtain a county permit before constructing, reconstructing or sealing a covered water-supply well⁷.

1. Ask the road authority for driveway approval; a change in access to a MnDOT right-of-way requires a MnDOT permit¹⁵.

1. Apply through the county’s published process. An owner-builder exemption from contractor licensing does not waive permits or inspections; City of Waseca owner-builders also submit a property-owner waiver^5,6.

Start with the rural zoning map and written confirmation that the home, accessory buildings and other uses fit the parcel’s district¹. If land will be divided, major and minor rural subdivisions go through County Planning & Zoning². Shoreland lots have lake-class and riparian-status standards, and only land above the ordinary high-water level counts toward minimum lot area³.

Check soils before fixing the house site: only 2.4% of mapped soils avoid severe conventional drain-field limitations¹³. Confirm legal road access and the responsible road authority before planning a driveway¹⁶. A covered water-supply well requires a county permit before construction, reconstruction or sealing⁷. Routine tilling, planting and harvesting are exempt from the county erosion-control permit, but feedlots and storage sheds are not¹⁷.