Unincorporated Yellow Medicine County, Minnesota requires a county land-use permit for new buildings, additions, accessory structures and structures moved onto land1. The Land and Resource Management Office handles land-use applications and county zoning outside city limits23. County septic permits remain with that office in unsewered incorporated and unincorporated areas45.
At a glance
- Building permit
- A county land-use permit is required for new buildings, structures, additions and moved-on structures1
- Zoning
- The county regulates land use and development in unincorporated areas3
- Septic permit
- A county sewer permit is required; the fee is $200, or $175 for only a holding tank4
- RV living
- A countywide private-lot occupancy rule could not be confirmed; ask Land and Resource Management before moving in6
- Tiny home
- Code-compliant dwellings are allowed in Urban Expansion; Rural Preservation non-farm dwelling rules depend on the mapped area789
- Owner-builder
- Qualifying Minnesota owners have a contractor-licensing exemption, but county permits are not waived1011
- Minimum home size
- A general countywide minimum dwelling size could not be confirmed; ask about the parcel's zoning district6
- Private well
- Minnesota generally requires notification and a filing fee before water-supply well construction; confirm any delegated local authority12
Who to call
Planning & zoning
Yellow Medicine County Land and Resource Management Office
Planning and zoning, land-use permits, floodplain questions and parcel-specific development guidance
1000 10th Ave. Suite #2, P.O. Box 675, Clarkfield MN 56223
Septic permits
Yellow Medicine County Land and Resource Management Office — SSTS
Subsurface sewage treatment system permits and septic-system questions
1000 10th Ave. Suite #2, P.O. Box 675, Clarkfield MN 56223
Roads & driveways
Yellow Medicine County Highway Department
Entrance driveway and other county-highway permit forms
1320 13th Street, Granite Falls, MN 56241
Contact details are copied from each office’s official page and were checked against it on October 12, 2026.
Off-grid gear
Going off-grid in Yellow Medicine County means bringing your own water and power. The kit we’d start with:
- Water Crystal Quest Filter any source — well, rain, or creek — to drinking-clean.
- Power Bluetti Solar generators and home battery backup for living off the grid.
- Septic Soil percolation test kit Run your own perc test before paying an engineer — the first thing a septic office asks about.
- Water Well water test kit Bacteria, nitrates, hardness — know what the well on a parcel is really pumping.
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Do you need a building permit in Yellow Medicine County, Minnesota?
In unincorporated Yellow Medicine County, a county land-use permit is required in unincorporated areas for a new building, structure or accessory structure, an addition, or a structure moved onto a property1. Replacing windows, siding or shingles and doing interior remodeling do not require that county land-use permit1. The Minnesota State Building Code is the construction standard throughout the county, although local adoption and enforcement can vary13. Ask the Land and Resource Management Office whether separate building-code permits, inspections or occupancy approval apply to the project6.
Who handles Yellow Medicine County building permits, and how do you reach them?
The Yellow Medicine County Land and Resource Management Office handles planning and zoning; county land-use applications are available by calling 320-669-7524 or applying in person in Clarkfield62. County land-use fees range from $25 to $500 by construction cost: a $150,001–$250,000 project costs $150, and a $250,001–$400,000 project costs $20014. Conditional-use applications cost $450 plus a $46 recording fee14. Ask the office which plans and supporting materials the project requires6. Qualifying Minnesota owners building for personal occupancy or rental retention have a contractor-licensing exemption, but construction for resale or speculation does not qualify10. Owner-builders still need the county land-use permit for covered work in unincorporated Yellow Medicine County11.
Does Yellow Medicine County have zoning?
Yellow Medicine County regulates land use and development outside incorporated municipal limits15. Granite Falls and Clarkfield have their own city zoning1617. County SSTS regulation still applies in unsewered city areas through Land and Resource Management54. The county ordinance includes Urban Expansion, Rural Preservation, General Business and Industry districts, plus floodplain and other resource-management controls18. In the Urban Expansion district, the usual setbacks are 50 feet from the road right-of-way, 15 feet from a side lot line and 30 feet from a rear lot line19. Its minimum lot is one-third acre with central sewer and water or one acre with on-site utilities20. In the Rural Preservation district, the usual setbacks are 100 feet from a public-road right-of-way, 30 feet at the side and rear, and 100 feet from a drainage ditch; limited waiver procedures apply21. A dwelling there generally needs at least three acres, with additional dwelling-density rules22.
How do septic permits work in Yellow Medicine County?
Yellow Medicine County requires a sewer permit before installing, constructing, replacing, modifying, altering, repairing or expanding the capacity of a sewage treatment system4. The Land and Resource Management Office administers SSTS rules in unsewered incorporated and unincorporated areas523. The sewer-permit fee is $200, or $175 when the project only installs a holding tank4. Only 3.1% of Yellow Medicine County soils are rated “not limited” for a conventional septic drain field; a site evaluation may identify a need for an engineered system, rather than ruling out septic24. Privy vaults, non-water-carried sewage systems and holding tanks are possible only under county siting, design, installation, operation, maintenance, monitoring, management, permitting and inspection rules25. Take any off-grid sanitation plan to the SSTS office before choosing equipment23. Minnesota requires inspection of new or replacement septic systems; ask the county SSTS office about inspection timing2623.
Can you live in an RV or tiny home in Yellow Medicine County?
We could not confirm a countywide rule allowing full-time RV occupancy on private Yellow Medicine County land; ask Land and Resource Management about the parcel, sanitation plan and proposed duration before moving in6. In unincorporated Yellow Medicine County’s Urban Expansion district, a tiny house may be a single-family dwelling if it meets the Minnesota Residential Code, Appendix Q, district site standards and county land-use permit requirements7. In Rural Preservation, a tiny home treated as a non-farm dwelling is a conditional use in Areas 1–4, except replacement of an existing dwelling is permitted; non-farm dwellings are permitted in Areas 5–889. Rural Preservation dwellings need at least 3 acres and must meet density and setback rules as well as obtain a land-use permit89.
Building a home in Yellow Medicine County: the steps, in order
- Ask the Land and Resource Management Office to identify the parcel's mapped district, allowed residential use, setbacks and floodplain status186.
- Confirm the lot standard: Urban Expansion lots differ by utility service, while Rural Preservation dwellings generally need at least three acres2022.
- Test septic feasibility early because only 3.1% of county soils are rated “not limited” for a conventional drain field, then obtain the county sewer permit before covered SSTS work244.
- Call Land and Resource Management for the land-use application or apply in person before starting a new building or moving a structure onto the property21.
What should you check before buying land in Yellow Medicine County?
Have Land and Resource Management identify the parcel's mapped district, allowed use and site standards in writing296. If a purchase or project will divide land into two or more parcels, obtain county subdivision approval before recording a plat or deed unless a stated exception applies30. Check septic feasibility before treating vacant land as buildable because only 3.1% of county soils are rated “not limited” for a conventional drain field24. Check the proposed building pad against floodplain controls31. Verify legal road access and ask the relevant road authority about a driveway permit; the county publishes an entrance-driveway form for county highways27. Minnesota generally requires notification and a filing fee before constructing a water-supply well; ask Land and Resource Management whether delegated local authority applies to the parcel126.
Watch-outs
- Yellow Medicine County explicitly includes barns and grain bins in its land-use permit requirement; do not assume agricultural construction is exempt from county land-use review1.
- Only 3.1% of Yellow Medicine County soils are rated “not limited” for conventional septic drain fields; site evaluation or an engineered system may be needed, but the rating does not mean septic is impossible24.
- County building-code administration, inspections, occupancy approval, RV living and a general minimum dwelling size could not be confirmed; take the parcel and project details to Land and Resource Management136.
Sources
- Planning and Zoning - Land and Resource Management Office, quoted and re-checked
- Planning and Zoning - Land and Resource Management Office, quoted and re-checked
- Planning and Zoning - Land and Resource Management Office, quoted and re-checked
- Subsurface Sewage Treatment Systems (SSTS), quoted and re-checked
- Section XIV - Subsurface Sewage Treatment Systems Ordinance, quoted and re-checked
- Yellow Medicine County Land and Resource Management Office (co.ym.mn.gov)
- co.ym.mn.gov, quoted and re-checked
- Section VI - Rural Preservation Management District (AG), quoted and re-checked
- Section VI - Rural Preservation Management District (AG), quoted and re-checked
- Minnesota Statutes § 326B.805 — Licensing Requirements, quoted and re-checked
- Planning and Zoning — Land and Resource Management Office — Yellow Medicine County, quoted and re-checked
- 2025 Minnesota Statutes, section 103I.205: Well Construction (Minnesota statewide rule), quoted and re-checked
- Overview of the Minnesota State Building Code, quoted and re-checked
- Planning and Zoning - Land and Resource Management Office, quoted and re-checked
- Planning and Zoning - Land and Resource Management Office, quoted and re-checked
- Granite Falls: official source (Yellow Medicine County), quoted and re-checked
- Clarkfield: § 151.20 Classification of zoning districts (Yellow Medicine County), quoted and re-checked
- YMC Land & Related Resource Management Ordinance, quoted and re-checked
- Section V - Urban Expansion Management District, quoted and re-checked
- Section V - Urban Expansion Management District, quoted and re-checked
- Section VI - Rural Preservation Management District, quoted and re-checked
- Section VI - Rural Preservation Management District, quoted and re-checked
- Yellow Medicine County Land and Resource Management Office — SSTS (co.ym.mn.gov)
- Share of soils USDA rates "not limited" for a conventional septic drain field (SSURGO). A strict rating: the median county is about 6% and a tenth of counties are 0%, so a low figure means most lots need a site evaluation or an engineered system, not that septic is impossible. Cite it only with that caveat: Bolthole Index county data
- Section XIV - Subsurface Sewage Treatment Systems Ordinance, quoted and re-checked
- 2025 Minnesota Statutes, section 115.55: Subsurface Sewage Treatment Systems (Minnesota statewide rule), quoted and re-checked
- Yellow Medicine County Highway Department (co.ym.mn.gov)
- Access / Driveway Permit (Minnesota statewide rule), quoted and re-checked
- Section I - General Provisions, quoted and re-checked
- Section XVIII - Subdivision Regulations, quoted and re-checked
- co.ym.mn.gov, quoted and re-checked
Written October 12, 2026 from the rules quoted below, each taken from an official source and re-checked by an independent reviewer. This is research, not legal advice: rules change, so confirm with the office before you buy or build.