11.06.250 Fireplaces, Fire Pits, and Outdoor Fires
Unofficial copy. It may be out of date. Not legal or zoning advice. Zoning rules change, and only the city or county can say for sure what is allowed on a property. Confirm with the city or county planning department before you buy, sign or build.
The official Interlaken code is at https://www.interlakenut.gov/documents-02.
Text pulled 2026-10-19 from this source.
Tables (like use tables) may not copy cleanly, so check any table against the official code.
Confirm anything here with Interlaken planning before you rely on it.
A. No wood-burning fire pits, fireplaces, chimneys, or other wood-based open flames may be permitted outdoors or placed on the exterior wall of any building in any zone.
B. Spark arrestors shall be installed in every fireplace constructed indoors. Screen openings in such arrestors shall not be in excess or ¼ inch diameter.
C. Outdoor gas fire pits are permitted provided they meet the following requirements. The fire pit must: • Be placed on a fireproof surface, such as concrete or stone. • Maintain a minimum distance of (15) fifteen feet (15’) from any building, ten feet (10’) feet from any lot line, and ten feet (10’) from any other combustible material. • Be Surrounded and enclosed by a noncombustible material such as steel, brick, or masonry. • Not have an ignitable area exceeding ten square feet (10 ft2).
D. Gas fireplaces are permitted outdoors, provided they meet the following requirements: • Meet all requirements set forth by Chapter 9.03 Uniform Codes Adopted • Uses a glass enclosure over the face of the fireplace
E. Indoor fireplaces that burn solid fuel or wood are required to have a spark arrestor fitted to their chimney that meets the following requirements: • The net free area of the spark arrestor shall not be less than four times the net free area of the outlet of the chimney flue it serves. • The spark arrestor screen shall have heat and corrosion resistance equivalent to 19-gauge galvanized steel or 24-gauge stainless steel. • Openings shall not permit the passage of spheres having a diameter greater than ½ inch nor block the passage of spheres having a diameter less than 3/8 inch. • The spark arrestor shall be accessible for cleaning, and the screen or chimney cap shall be removable to allow for cleaning of the chimney flue.
CHAPTER 11.07
SL-OV SENSITIVE LANDS OVERLAY ZONE
Purpose Area and Applicability Sensitive Lands Identification and Review Procedure Reference Materials and Resources Ditches Spring and Well Protection Zones Trees and Vegetation Hillsides, Slopes, and Natural Grade
11.06.240 Requirements for Outdoor Lighting · 11.07.010 Purpose