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Open Burning Regulations

These regulations apply only within city of Boulder limits. Find out if your property is located within the Boulder city limits.

Propane grills
This restriction applies to propane grills located on combustible balconies/decks and construction.

Only small (2.5 lb./16.4 oz) propane bottle sizes are allowed in propane grills.

These propane grill restrictions apply to your property unless:

  • your balcony/deck is made of concrete, steel or other non-combustible material;
    and
  • the propane grill can be placed more than 10 feet away from combustible siding, decking or other parts of the structure.

Charcoal grills
Charcoal grills, hibachis, and other open flame cooking appliances are not allowed on combustible balconies and construction.

These restrictions apply to your property unless:

  • your balcony/deck is made of concrete, steel or non-combustible material;
    and
    the charcoal grill can be placed more than 10 feet away from combustible siding, decking or other parts of the structure;
    or
  • the structure is a single-family home or a side-by-side townhome or if the balcony/deck is protected by a sprinkler system.

Electric grills
Electric grills are allowed. Make sure if you are using an extension cord that has an adequate rating (size) for the grill being used.

Open burning
No open burning is allowed within city limits, including portable/mobile outdoor fireplaces.

This restriction applies to you unless:

  • The burning is a safety flare used to indicate some danger to the public. (Road flares)
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