Bolthole Index

Goodhue County, Minnesota

Zoning, building permits and septic rules in Dennison, Minnesota

Dennison is a city in Goodhue County, Minnesota. Dennison adopts its own zoning, so inside its limits Dennison’s rules apply, not the county’s. 7 rules below are quoted from official sources and independently re-checked, most recently on November 4, 2026. Rules for unincorporated land are on the Goodhue County page.

Answers from the rulebook for Dennison

Dennison’s own rules

  • Owner-builder exemptionConditional

    Residential building-permit applicants inside Dennison city limits.

    • The property owner should submit the Owner as Contractor Form with the permit application.
    • The county page directs City of Dennison applications to the city and states that the county reviews plans and performs inspections.
    “An applicant for a residential building permit can be a Minnesota-licensed contractor or the property owner. Property Owners should also submit the Owner as Contractor Form with their permit application.”
  • Building code adoptedAdopted (with conditions)

    Construction inside Dennison city limits.

    • Building inspection and code enforcement is contracted through Goodhue County.
    “The city of Dennison adopts the MN State Building Code. Building inspection and code enforcement is contracted through Goodhue County.”
  • Certificate of occupancyLimited

    Projects inside Dennison city limits for which a certificate of occupancy is required.

    • The agreement does not identify the project types for which a certificate is required.
    • The Goodhue County building official or designee issues the certificate upon project completion where required.
    “After the building official inspects a building or structure and finds no violations of the code or other laws that are enforced by the Department of Building Safety, the building official shall issue a certificate of occupancy containing the following:”
  • Local zoningPresent (with conditions)

    Land inside Dennison city limits.

    • The city’s April 2026 official meeting minutes refer to its existing “Zoning Ordinance.”
    • The official 2017 annexation ordinance specifically zoned the annexed land General Business District, B-2.
    “Zoning. Upon rumexation, the Land will be zoned General Business District, B-2.”
  • Zoning districtsPartial

    The land annexed under City of Dennison Ordinance No. 82.

    • This is evidence of only one district assignment and does not establish the city’s complete zoning-district inventory or map.

    zoning district: General Business District, B-2 (Land annexed under Ordinance No. 82.)

    “Zoning. Upon rumexation, the Land will be zoned General Business District, B-2.”

Rules another office applies inside Dennison

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

  • Building permitRequired

    Code-regulated construction inside Dennison city limits, because the city adopts the Minnesota State Building Code.

    • One-story detached accessory structures used as tool and storage sheds, playhouses, and similar uses are exempt when floor area does not exceed 200 square feet.
    • Other exemptions and exceptions in Minnesota Rules part 1300.0120 apply.
    • The Dennison agreement directs the city clerk to receive applications and Goodhue County to review code compliance.

    exempt accessory-structure floor area: <= 200 square feet (One-story detached accessory structures used as tool and storage sheds, playhouses, and similar uses.)

    “An owner or authorized agent who intends to construct, enlarge, alter, repair, move, demolish, or change the occupancy of a building or structure, or to erect, install, enlarge, alter, repair, remove, convert, or replace any gas, mechanical, electrical, plumbing system, or other equipment, the installation of which is regulated by the code; or cause any such work to be done, shall first make application to the building official and obtain the required permit.”
  • InspectionsRequired

    Construction or work requiring a building permit inside Dennison city limits.

    • The building official identifies which inspections are required for each permitted work item.
    • Goodhue County’s building official or designee provides job-site inspections for Dennison under the agreement.
    “Construction or work for which a permit is required is subject to inspection by the building official and the construction or work shall remain accessible and exposed for inspection purposes until approved.”

Still unanswered

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

  • Minimum dwelling size — Dwellings inside Dennison city limits.
  • Minimum lot size — Residential lots inside Dennison city limits.
  • Setbacks — Structures inside Dennison city limits.
  • Lot coverage — Lots inside Dennison city limits.
  • Building height — Structures inside Dennison city limits.
16 more unanswered
  • 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
  • Subdividing land
  • 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 Dennison publishes no rule on the point, not that none exists. Goodhue County’s page lists the county offices to call.

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