Bolthole Index

Cavalier County, North Dakota

Zoning, building permits and septic rules in Alsen, North Dakota

Alsen is a city in Cavalier County, North Dakota. Septic permits inside Alsen come from the county and state together. 4 rules below are quoted from official sources and independently re-checked, most recently on November 6, 2026. Rules for unincorporated land are on the Cavalier County page.

Answers from the rulebook for Alsen

Rules another office applies inside Alsen

Alsen 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 exemptionAvailable (with conditions)

    Onsite wastewater-system installer licensing for an owner installing a system on the owner's own premises inside Alsen city limits.

    • This is an exemption from the state installer-licensing requirement, not evidence of an exemption from any municipal building-permit requirement.
    • The exemption applies only where the individual installs an onsite wastewater sewage treatment system on the individual's premises for the individual's use.
    “An individual is exempt from the licensing requirements of this chapter”
  • Who permits septicMixed (with conditions)

    Onsite wastewater systems, including septic systems, inside Alsen city limits.

    • The North Dakota Department of Environmental Quality has exclusive authority to adopt rules concerning licensing, permitting, and inspections.
    • The permit issuer is a local public health unit or another political subdivision; this research did not locate an official source identifying the particular permitting authority serving Alsen city.
    “local public health unit or other political subdivision [...] the department has the exclusive authority”
  • Septic permitRequired

    Construction, alteration, repair, or extension of an onsite wastewater system inside Alsen city limits.

    • Regular system maintenance does not require a permit.
    • The permit must be issued by the permitting authority having jurisdiction where the work is done.
    • A permit may not be issued without a valid installer license, except for an individual installing a system on the individual's own premises under section 33.1-21-01-04(7).
    • A permit is valid for no more than 12 months from issuance.

    permit validity: <= 12 months (from date of issuance)

    “A person may not construct, alter, repair, or extend any system without first obtaining a permit from the permitting authority. Regular system maintenance does not require a permit. 2. The permit must be issued by the permitting authority within the jurisdictional limits where the work is being done. The fee for the permit must be set by the permitting authority. The permitting authority shall maintain records of all permits it has issued for the life of the system.”
  • Septic inspectionRequired

    Installation of an onsite wastewater system inside Alsen city limits.

    • The inspection is conducted by the permitting authority or its authorized representative.
    • The governing statute requires inspection within one business day after receipt of the inspection request.
    • Inspection of existing equipment and system operation may be conducted at a reasonable time.

    inspection timing after request: <= 1 business day (installation inspection)

    “A public health unit shall conduct a required in-person or virtual inspection”

Still unanswered

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

  • Building permit — Residential building construction inside Alsen city limits.
  • Building code adopted — Building construction inside Alsen city limits.
  • Inspections — Residential building inspections inside Alsen city limits.
  • Certificate of occupancy — New residential buildings inside Alsen city limits.
  • Local zoning — Land inside Alsen city limits.
20 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
  • Well permit
  • Mandatory utility hookup
  • Agricultural exemption
  • 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 Alsen publishes no rule on the point, not that none exists. Cavalier County’s page lists the county offices to call.

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