Bolthole Index

Lyon County, Minnesota

Zoning, building permits and septic rules in Cottonwood, Minnesota

Cottonwood is a city in Lyon County, Minnesota. Cottonwood adopts its own zoning, so inside its limits Cottonwood’s rules apply, not the county’s. 3 rules below are quoted from official sources and independently re-checked, most recently on November 4, 2026. Rules for unincorporated land are on the Lyon County page.

Answers from the rulebook for Cottonwood

Cottonwood’s own rules

  • Local zoningPresent (with conditions)

    Land inside Cottonwood city limits.

    • The city zoning ordinance is Ordinance No. 1993-2, as amended.
    “City of Cottonwood Zoning Ordinance, Ord. No. 1993-2”
  • Zoning districtsPublished (with conditions)

    Land inside Cottonwood city limits.

    • District designation is determined by the official zoning map.

    districts: R-1, R-2, C-1, C-2, I, Rural Residential and Agricultural

    “R-1 Single Family Residential District (B) R-2 Multi-Family Residential District (C) C-1 Central Business District (D) C-2 Central Business District (E) I Industrial (F) Rural Residential and Agricultural District”
  • Subdividing landRegulated (with conditions)

    Subdivisions inside Cottonwood city.

    • The subdivision ordinance is Ordinance No. 79-5, as amended.
    “City of Cottonwood Subdivision Ordinance, Ord. No. 79-5”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Cottonwood or Lyon County directly.

  • Owner-builder exemption — Owner-built residences inside Cottonwood city.
  • Minimum dwelling size — Single-family residential districts inside Cottonwood city.
  • Minimum lot size — Single-family residential districts inside Cottonwood city.
  • Setbacks — Principal dwellings in residential districts inside Cottonwood city.
  • Lot coverage — Residential lots inside Cottonwood city.
16 more unanswered
  • Building height
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Manufactured homes
  • Accessory dwellings
  • Who permits septic
  • Septic permit
  • Septic inspection
  • Off-grid sanitation
  • Well permit
  • Mandatory utility hookup
  • Agricultural exemption
  • Driveway access
  • Building in a floodplain
  • Short-term rentals

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 Cottonwood publishes no rule on the point, not that none exists. Lyon County’s page lists the county offices to call.

← All of Lyon County: county rules, score and offices