Bolthole Index

Brown County, Minnesota

Zoning, building permits and septic rules in New Ulm, Minnesota

New Ulm is a city in Brown County, Minnesota. New Ulm adopts its own zoning, so inside its limits New Ulm’s rules apply, not the county’s. Septic permits inside New Ulm come from New Ulm. 8 rules below are quoted from official sources and independently re-checked, most recently on October 18, 2026. Rules for unincorporated land are on the Brown County page.

Answers from the rulebook for New Ulm

New Ulm’s own rules

  • Local zoningPresent (with conditions)

    Land inside New Ulm city limits.

    • The city Community Development department interprets zoning regulations.
    “Interprets zoning, subdivision, flood plain, airport zoning and annexation regulations.”
  • Who permits septicLocal (with conditions)

    Private wastewater disposal systems inside New Ulm city limits.

    • The city Building Inspector signs private-wastewater permits and conducts inspections.
    • Systems must comply with Minnesota Pollution Control Agency recommendations.
    “Before commencement of construction of a private wastewater disposal system, the owner shall first obtain a written permit signed by the Building Inspector of the City of New Ulm.”
  • Septic permitRequired

    Construction of a private wastewater disposal system inside New Ulm city limits where public sewer is unavailable.

    • Before construction, the owner must obtain a written permit signed by the city Building Inspector.
    • The application must use the city form and include plans, specifications, and other information deemed necessary by the Building Inspector.
    • A permit and inspection fee is due when the application is filed.
    • No permit may issue for a subsurface soil absorption system on a lot under 9,000 square feet.
    • No septic tank or cesspool may discharge to a natural outlet.

    minimum lot area for subsurface soil absorption facility: >= 9000 square feet (No permit shall be issued below this area.)

    “Before commencement of construction of a private wastewater disposal system, the owner shall first obtain a written permit signed by the Building Inspector of the City of New Ulm. The application for such permit shall be made on a form furnished by the City, which the applicant shall supplement by any plans, specifications, and other information as are deemed necessary by the Building Inspector.”
  • Septic inspectionRequired

    Private wastewater disposal systems inside New Ulm city limits where public sewer is unavailable.

    • The permit is ineffective until installation satisfies the city Building Inspector.
    • The applicant must notify the Building Inspector for final inspection before underground portions are covered.
    • The inspection must occur within 72 hours of notice, excluding weekends and holidays.

    inspection response time: <= 72 hours (Excludes weekends and holidays after receipt of notice.)

    “A permit for a private wastewater disposal system shall not become effective until the installation is completed to the satisfaction of the Building Inspector. The Building Inspector shall be allowed to inspect the work at any stage of construction and, in any event, the applicant for the permit shall notify the Building Inspector when the work is ready for final inspection, and before any underground portions are covered.”
  • Off-grid sanitationLimited

    Private wastewater disposal inside New Ulm city limits.

    • Private wastewater disposal is prohibited except where public sewer is not available under Regulation 602, Subdivision 1.
    • Where public sewer is unavailable, the building sewer must connect to a compliant private wastewater disposal system.
    • Private systems require the city permit and inspection described in Regulation 602.
    • When public sewer becomes available and the Regulation 602 availability conditions apply, direct connection and abandonment of private facilities are required.
    “Where a public sanitary or combined sewer is not available”
  • Subdividing landRegulated (with conditions)

    Land subdivision and platting within New Ulm city limits.

    • The chapter also may apply to specified unincorporated areas upon City Council resolution; this claim is limited to land within city limits.
    “the provisions of this chapter shall apply within the corporate limits of the City of New Ulm”
  • Permit processPublished (with conditions)

    City Building Safety permit applications inside New Ulm city limits.

    • Contractors must register through the annual contractor registration application and create a GeoPermits account.
    • The city lists online applications for commercial, remodel, residential, deck, demolition, fence, mechanical, and sign permits.
    “All contractors will be required to register through the Annual Contractor Registration application and create an account with GeoPermits.”

Rules another office applies inside New Ulm

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

  • Owner-builder exemptionConditional

    Minnesota residential owner-builders, including those inside New Ulm city limits.

    • The exemption concerns the state residential-contractor license requirement.
    • The owner must occupy or intend to occupy the property for residential purposes, or retain it for rental purposes upon completion.
    • It does not apply when construction or improvement is for resale or speculation.
    • An owner constructing or improving more than one property within 24 months is presumed to be acting for speculation unless the properties will be retained for rental purposes.
    “This exemption does not apply to an owner who constructs or improves residential real estate for purposes of resale or speculation.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask New Ulm or Brown County directly.

  • Building permit — General residential construction inside New Ulm city limits.
  • Certificate of occupancy — Occupancy of structures inside New Ulm city limits.
  • Minimum dwelling size — Residential dwellings inside New Ulm city limits.
  • Minimum lot size — Residential lots inside New Ulm city limits.
  • Setbacks — Structures inside New Ulm city limits.
12 more unanswered
  • Lot coverage
  • Building height
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Manufactured homes
  • Accessory dwellings
  • Well permit
  • 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 New Ulm publishes no rule on the point, not that none exists. Brown County’s page lists the county offices to call.

Off-grid gear

Going off-grid in New Ulm means bringing your own water and power. The kit we’d start with:

These are affiliate links — we may earn a commission, at no cost to you. As an Amazon Associate, Bolthole Index earns from qualifying purchases.

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