Bolthole Index

Washington County, Minnesota

Zoning, building permits and septic rules in Marine on St. Croix, Minnesota

Marine on St. Croix is a city in Washington County, Minnesota. Marine on St. Croix adopts its own zoning, so inside its limits Marine on St. Croix’s rules apply, not the county’s. 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 Washington County page.

Answers from the rulebook for Marine on St. Croix

Marine on St. Croix’s own rules

  • Building permitRequired

    Erecting, altering, remodeling, wrecking, or moving a structure or building inside Marine on St. Croix city limits.

    • General maintenance of the structure does not require a building permit.
    “No person shall erect, alter, remodel, wreck, or move any kind of structure or building or part thereof without first securing a Building Permit. No such permit shall be necessary for general maintenance of the structure.”
  • Building code adoptedAdopted (with conditions)

    Construction subject to the City's zoning code inside Marine on St. Croix city limits.

    “Building code. Refers to the Building Code adopted by the City including the Minnesota State Building Code, established pursuant to Minnesota Statutes 16B.59 to 16B.75, and specified chapters of the Uniform Building Code.”
  • Certificate of occupancyLimited

    A building permit holder seeking a certificate of occupancy for development requiring grading and drainage certification inside Marine on St. Croix city limits.

    • The claim addresses the grading-and-drainage certification provision; the City Engineer may review, inspect, and verify the work at the permit holder's expense.
    “Prior to issuance of a certificate of occupancy, the holder of the building permit shall submit certification that the grading and drainage was performed consistent with the approved grading and drainage plan.”
  • Local zoningPresent (with conditions)

    Land inside Marine on St. Croix city limits.

    • Land use is subject to the City's zoning districts and ordinance provisions.
    “For purposes of this ordinance, Marine on St. Croix is hereby divided into the following Zoning Districts:”
  • Zoning districtsPublished (with conditions)

    Land inside Marine on St. Croix city limits.

    • The location and boundaries are established on the zoning map kept at City Hall.
    • The official zoning-map effective date stated by the ordinance is February 14, 2024.
    “The effective date of the Official Zoning Map is February 14, 2024.”
  • Permit processPublished (with conditions)

    Building-permit applications inside Marine on St. Croix city limits.

    • A complete, conforming application is to be issued within 60 days pursuant to Minnesota Statute 15.99, as may be amended.
    • Multiple-unit residential, commercial/industrial site-plan, zoning-amendment, variance, conditional-use, land-reclamation, and regulated-grading proposals receive Planning Commission and City Council review.
    • Additional procedures apply in the St. Croix River Overlay District.

    issuance period after complete application: <= 60 days (when proposed development conforms to the listed rules)

    “If the proposed development conforms in all respects to the Zoning Ordinance, the City Building Code, and septic system regulations, a building permit shall be issued by the Zoning Administration Staff within a period of 60 days following the receipt of complete application pursuant to Minnesota Statute 15.99, as may be amended.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Marine on St. Croix or Washington County directly.

  • Owner-builder exemption — Owner-built residential construction inside Marine on St. Croix city limits.
  • Inspections — Building inspections for construction inside Marine on St. Croix city limits.
  • Minimum dwelling size — Dwellings inside Marine on St. Croix city limits.
  • Living in an RV — Residential occupancy of recreational vehicles on private land inside Marine on St. Croix city limits.
  • Camping on your land — Temporary camping on private land inside Marine on St. Croix city limits.
9 more unanswered
  • Tiny homes
  • Who permits septic
  • Septic permit
  • Septic inspection
  • Well permit
  • Agricultural exemption
  • 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 Marine on St. Croix publishes no rule on the point, not that none exists. Washington County’s page lists the county offices to call.

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