Zoning, building permits and septic rules in Town of Interlaken, Utah

Town of Interlaken’s own rules

• Building permitRequired

  Building work inside Interlaken town

  • Exempt: single story detached accessory buildings under 200 sq ft, fences under 6 ft, retaining walls under 4 ft, finish work, minor electrical/mechanical/plumbing repairs, re-roofing without structural change, siding/window replacement, water heater/AC/furnace and appliance replacement.
  • Non-permitted projects that may generate waste or road use still need a 'building agreement - non-permitted projects'.
  • Additional agreements may apply: right of way, encroachment, site disturbance permit, solar PV.

  “owners or their agents must obtain building permits for all work except:”

• Building code adoptedAdopted (with conditions)

  Construction inside Interlaken town

  • Adopts the 2012 IBC as amended by the state Division of Occupational and Professional Licensing, including chapter one and appendices E, I & J; the PDF is stamped revised 2018 and later state code updates may apply.
  • Chapter 9.03 also adopts mechanical, plumbing, electrical, fire, energy, fuel gas and residential codes.

  IBC edition: 2012 (as amended by Utah DOPL)

  “the town hereby approves and adopts the international building code, 2012 edition, published by the international code council, as amended by the state division of occupational and professional licensing, including chapter one, and appendices e, i & j”

• InspectionsRequired

  Permitted construction inside Interlaken town

  • Inspections are done by the town engineer (Jones & DeMille under contract).

  “and to inspect, or cause to be inspected, all buildings and structures erected, or proposed to be erected in the town”

• Certificate of occupancyRequired

  New construction, remodels and demolitions inside Interlaken town

  • Issued after final inspection and approval; part of deposits may be held until work and any road damage are corrected.

  “upon final inspection and approval by the town engineer and the pc, a certificate of occupancy is issued, and deposits are refunded.”

• Local zoningPresent

  Land inside Interlaken town limits

  • Title 11 establishes R-1 Residential, M-1 Municipal and SL-OV Sensitive Lands Overlay zones; the PDF on the town site is stamped revised June 18, 2018 and may not be the current text.

  “it is the intent and purpose of the town council of interlaken town, utah, to promote the health, safety, convenience, order, prosperity, and general welfare of the present and future inhabitants of the town”

• Zoning districtsPublished

  Zones inside Interlaken town

  • Zones are R-1 Residential, M-1 Municipal and the SL-OV Sensitive Lands Overlay.

  “intent and purpose definitions zones established r-1 residential zone m-1 municipal zone supplementary requirements in zones sl-ov sensitive lands overlay zone signs”

• Minimum dwelling sizeSpecified

  Dwellings in the R-1 Residential Zone inside Interlaken town

  • Ground floor area measured as gross floor area.

  minimum ground floor area: >= 800 square feet

  “the ground floor area of all dwellings shall be not less than 800 square feet.”

• SetbacksSpecified

  Main dwellings and accessory buildings in the R-1 Residential Zone inside Interlaken town

  • Setback is 30 feet from all lot lines or 30 feet from the center of the roadway right of way.
  • 10 foot setback permitted along a property line abutting an entity other than Interlaken property, such as the state park boundary.
  • Corner lots: main dwelling and accessory buildings at least 30 feet from the rear property line.

  main dwelling setback: >= 30 feet (10 feet along boundary with non-Interlaken entity) · accessory building setback: >= 30 feet (10 feet along boundary with non-Interlaken entity)

  “a. the main dwelling unit shall be set back at least 30 feet from all lot lines or 30 feet from the center of the roadway right of way.”

• Short-term rentalsProhibited

  Rentals of 30 days or less in the R-1 Residential Zone inside Interlaken town

  • Applies to any residential or commercial purpose such as vacation rentals, weddings, or other event rentals.

  rental term banned: <= 30 days

  “no property or portion thereof may be rented or leased for 30 days or less for any purpose, including, but not limited to any residential or commercial purpose such as vacation rentals, weddings, or other event rentals.”

• Permit feesVariable (with conditions)

  Building permit fees and deposits inside Interlaken town

  • Fees set by town council resolution; the engineer's plan review and inspection fees are collected separately; outside utilities charge their own fees; fees and deposits paid by check only.

  “fees and deposits are set from time to time through resolution by the town council.”

• Permit processPublished

  Building permits inside Interlaken town

  • Notify the town administrator, submit a building agreement with fees, deposits and digital plans, engineer and planning commission review, permit issued, inspections by the town engineer, then a certificate of occupancy.

  “when all issues and comments are addressed, and the town has received full payment for all fees and deposits, the town administrator issues a building permit to the applicant.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Town of Interlaken or Wasatch County directly.

• Owner-builder exemption — Owner-builders inside Interlaken town
• Minimum lot size — R-1 Residential Zone inside Interlaken town
• Lot coverage — R-1 Residential Zone inside Interlaken town
• Building height — R-1 Residential Zone inside Interlaken town
• Living in an RV — RV occupancy inside Interlaken town

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.