In addition to the above information, tents or air supported
structures in excess of 100 square feet erected inside a building equipped
with an automatic sprinkler system requires approval from the Seattle Fire
- First you must apply for a Seattle Fire Department permit. Include the following:
Seattle Fire Department
- Check made payable to the City of Seattle. (Fee
is waived if the tent is being used in conjunction with a paid SFD
temporary assembly occupancy permit. See item #3 below.)
- Plot plan showing the tent and its surroundings.
Floor plan of the interior of the tent.
- Letter of certification that the tent is flame retardant.
- Letter of structural stability.
Note: Complete application with fee must be
received at least 10 calendar days prior to the event in order to
avoid a late fee. Application and/or fee received 3 or fewer business
days prior to the event may not be processed and the permit
If tents are being used in conjuction with assembly events, an
additional permit is required for the assembly. The entity (usually the
event organizer) must apply and pay for either an SFD temporary assembly
occupancy permit or a City of Seattle Special Events permit.
If there is any food being served and/or prepared using propane
(LPG) and open flame (i.e., wood and/or charcoal bbq) then
additional SFD and Health Department permits are required.
Generally, propane and open flame cooking is not allowed inside a tent.
If the tent/air-supported structure is heated and the power source
for the heater is anything other than electric, an additional SFD permit
is required. Only electric heaters are allowed inside the tent.
All other heaters' fuel source must be on the exterior of the
tent. Generally, in the case of propane heaters, the propane must
be a minimum of 10 feet away from the tent and required exit(s).
The Seattle Fire Department does not issue permits for tents or
air-supported structures erected for more than 4 weeks (28 days).
Tents or air-supported structures erected for more than 4 weeks must
obtain permits from the Department
of Planning and Development (DPD).
Questions? Please call the Seattle Fire Marshal's Office at 206-386-1450 and ask for the Special Events Division.
July 30, 2015