Bolthole Index

Lincoln County, Minnesota

Zoning, building permits and septic rules in Arco, Minnesota

Arco is a city in Lincoln County, Minnesota. Septic permits inside Arco come from the county and state together. 4 rules below are quoted from official sources and independently re-checked, most recently on November 4, 2026. Rules for unincorporated land are on the Lincoln County page.

Answers from the rulebook for Arco

Rules another office applies inside Arco

Arco does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.

  • Building code adoptedAdopted (with conditions)

    Construction, reconstruction, alteration, and repair of code-governed buildings and structures inside Arco city limits.

    • The State Building Code does not apply to agricultural buildings except as stated in Minnesota Statutes sections 103F.141, 326B.36, and 326B.121, subdivision 1, paragraph (c), clause (2).
    “The State Building Code is the standard that applies statewide for the construction”
  • Who permits septicMixed (with conditions)

    Subsurface sewage treatment systems inside Arco city limits.

    • Lincoln County administers permits and inspections unless Arco administers a compliant SSTS ordinance.
    • A city SSTS ordinance must conform to the state chapter and be as strict as the county ordinance.
    “All counties with SSTS ordinances must permit and inspect SSTS”
  • Septic permitRequired

    New and replacement subsurface sewage treatment systems inside Arco city limits, through the responsible local SSTS program.

    • A compliant city SSTS program may administer the requirement; otherwise the county program administers it.
    • Local government may require permits for all or certain SSTS repairs.
    “Permits must be required for all new construction and replacement.”
  • Septic inspectionRequired

    Subsurface sewage treatment systems inside Arco city limits when Arco does not administer a compliant SSTS ordinance.

    • This county-inspection requirement applies only where the city does not administer a compliant SSTS ordinance.
    “within cities and townships that do not administer an SSTS ordinance”

Still unanswered

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

  • Owner-builder exemption — Owner-built residential work inside Arco city limits.
  • Inspections — Building work inside Arco city limits.
  • Certificate of occupancy — Occupancy of buildings inside Arco city limits.
  • Local zoning — Land inside Arco city limits.
  • Zoning districts — Land inside Arco city limits.
17 more unanswered
  • Minimum dwelling size
  • Minimum lot size
  • Setbacks
  • Lot coverage
  • Building height
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Manufactured homes
  • Accessory dwellings
  • Well permit
  • Mandatory utility hookup
  • Subdividing land
  • Driveway access
  • Building in a floodplain
  • Short-term rentals
  • Permit fees

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

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