Outdoor Burning

Backyard burning banned in Gresham

Gresham no longer allows backyard burning without a permit. If your property is larger than 1 acre, you can apply for an open burn permit. This is a permanent ban and includes all houses and properties in Gresham city limits. Residents may not burn yard debris, or the materials listed below.

Other cities

Burning is not allowed

• If it creates a public or private nuisance.
• Is a safety hazard.
• When it unreasonably interferes with the enjoyment of life or property.
• On commercial properties.

Materials that cannot be burned in Oregon

• Rubber products
• Tires
• Plastic
• Garbage
• Petroleum and petroleum-treated materials
• Asphalt or industrial waste
• Any material that creates dense smoke or noxious odors
• Construction materials
• Stumps

Yard debris burning guidelines

Always call the East Multnomah County Burn Line at 503-618-3083 before burning to confirm DEQ is allowing burning.

• Burn piles must be no larger than 6 feet in diameter and 3 feet high.
• Burn piles must be 25 feet from any combustible materials (houses, fences, etc.).
• Burn piles must be attended by a competent person at all times.
• You must have a means to extinguish the fire (energized garden hose, fire extinguisher, shovel, etc.).
• Burn piles must contain only yard debris from your yard; no other material may be burned.
• Burn piles must be extinguished if wind gusts reach 15 mph.

Fire pits

Multnomah County may restrict wood burning to protect public health due to forecasted poor air quality. Check multco.us/woodsmokestatus to see the daily burning status.

• Fire pits are for recreational use only.
• Fire pits can accommodate fires no larger than 3 feet in diameter and 2 feet high.
• Fire pits must be attended at all times.
• You must have a means of extinguishing the fire.
• The fire must be 15 feet from flammable material (house, fence, etc.)
• You may only burn hardwood or fireplace logs in a fire pit: no garbage, yard or construction debris.
• Fires must be extinguished if wind gusts reach 15 mph.
• If the fire causes excessive smoke and complaints are made by neighbors, the fire must be extinguished.

Barbecue and grilling safety

Note: Agricultural burn permit applications can only be picked up directly from the Fire Department.

A permit may only be obtained if:  

• The farm or business is at least 5 acres in size.
• The business is 51% or more of household income.

Permits are good for five years from the date of issuance if these conditions are consistently and strictly followed:

• Permit holder shall call the Burn Line at 503-618-3083 after 8:00 am daily and shall burn only on valid days and during stated hours.
• No standing vegetation shall be burned.
• No vegetation or combustible materials shall be allowed within 6 feet of all burn piles.
• Rubber products, tires, plastic, garbage, petroleum or petroleum-treated materials, asphalt or industrial waste, construction materials or any material that creates dense smoke or noxious odors shall not be burned.
• Piles shall be held to a maximum pile size of 12' diameter by 8' height.
• Fire-extinguishing equipment shall include any of the following elements capable of appropriately controlling and extinguishing the fire under any condition:
  • Waste barrels with buckets.
  • Sand or dirt with shovels.
  • Garden hose minimum ½" in diameter with a maximum of 150' length with nozzle turned on and readily available or other adequate water supply such as water barrels or water trucks.
  • A fire extinguisher.
• A continual fire watch shall be provided to patrol the burn pile(s) and shall have no other duties beginning prior to the ignition and continuing for one hour after any open flame and smoldering ceases.

If you don't meet these requirements, you can burn during backyard burn days or apply for an open burning permit.

Open burn application

If your property is larger than 1 acre, you can apply for an open burn permit. A permit is required to conduct an open burn for any type of land clearing or major lot natural debris disposal. 

A site plan must be submitted seven days before the planned burn. 

• Open burns shall not be conducted within 50' of a structure and provision shall be made to prevent the fire from spreading to within 50' of any structure.
  • Exception:  When piles are 3' or less in diameter and 2' or less in height, the minimum distances may be 25'.
• Conditions that could cause the fire to spread to within 50' or 25' of a structure, as appropriate to the size of burn pile, shall be eliminated prior to ignition.
• Open burn pile shall be limited in size to a maximum of 10' in diameter and 6' in height in urban areas, and 12' in diameter and 8' in height in agricultural areas.
• No standing vegetation shall be burned.
• Vegetation or combustible materials within 6' of all side of a burn pile shall be cleared away.
• The following shall not be burned: 
  • Rubber product
  • Tires
  • Plastic
  • Garbage
  • Petroleum or petroleum treated materials
  • Asphalt or industrial waste
  • Construction materials
  • Any material that creates dense smoke or noxious odors
• A continual fire watch shall be provided to patrol the burn pile(s) and shall have no other duties beginning prior to the ignition and continuing for one hour after any open flame or smoldering ceases.
• Fire extinguishing equipment shall include any of the following elements capable of controlling and extinguishing the fire in any condition:
  • Garden hose minimum ½" diameter with attached nozzle and maximum length 150', turned on with no leaks and readily available
  • Water barrels with buckets
  • 4A fire extinguisher
  • Water tender
• All fires shall be extinguished immediately if:
  • Winds exceed 15 mph
  • Any representative of the Fire Department determines the fire to be a hazard or verifies the conditions of approval are not being met
• The permit holder shall call 503-618-3083 after 8:00 am daily and shall burn only during approved days and hours, without exception.