Bolthole Index

Aitkin County, Minnesota

Zoning, building permits and septic rules in McGrath, Minnesota

McGrath is a city in Aitkin County, Minnesota. Septic permits inside McGrath come from the county and state together. 6 rules below are quoted from official sources and independently re-checked, most recently on November 5, 2026. Rules for unincorporated land are on the Aitkin County page.

Answers from the rulebook for McGrath

Rules another office applies inside McGrath

McGrath 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)

    Buildings of the type governed by the State Building Code, including those inside McGrath 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(c)(2).
    “The State Building Code is the standard that applies statewide”
  • Who permits septicMixed (with conditions)

    SSTS inside McGrath city limits.

    • Aitkin County is the permitting and inspection authority unless McGrath administers a conforming SSTS ordinance; research did not locate such a city ordinance.
    “All counties must adopt and implement SSTS ordinances in compliance with chapters 7080 and 7081 that also comply with this chapter.”
  • Septic permitRequired

    New or replacement SSTS inside McGrath city limits when an SSTS is used.

    • Permits are required for new construction and replacement; local government may require permits for all or certain SSTS repairs.
    • The actual local permitting authority is determined under Minnesota Rule 7082.0040.
    “Permits must be required for all new construction and replacement.”
  • Septic inspectionRequired

    New or replacement SSTS inside McGrath city limits when an SSTS is used.

    • The inspection is for new construction or replacement and must be conducted by a qualified employee or licensed inspection business authorized by the local unit of government.
    “A compliance inspection for all new construction or replacement must be conducted:”
  • Well permitLimited

    New water-supply wells inside McGrath city limits.

    • For an ordinary water-supply well, construction notification must be submitted to the commissioner; different permit or notification requirements and exceptions apply to monitoring, dewatering, and drive-point wells.
    “A well must not be constructed, deepened through a confining layer, or have casing installed or removed below the frost line until notification is made to the commissioner.”
  • Agricultural exemptionConditional

    Agricultural buildings inside McGrath city limits.

    • The State Building Code does not apply to agricultural buildings except for the stated state-inspection or rulemaking provisions.
    “The State Building Code does not apply to agricultural buildings”

Still unanswered

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

  • Building permit — Residential construction inside McGrath city limits.
  • Owner-builder exemption — Owner-built residences inside McGrath city limits.
  • Inspections — Residential construction inside McGrath city limits.
  • Certificate of occupancy — Residential occupancy inside McGrath city limits.
  • Local zoning — Land inside McGrath city limits in Aitkin County.
19 more unanswered
  • Zoning districts
  • 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
  • Off-grid sanitation
  • Mandatory utility hookup
  • Subdividing land
  • Driveway access
  • Building in a floodplain
  • Short-term rentals
  • Permit fees
  • Permit process

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

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