Welcome to the Open Burning Portal
Boulder County allows the following open burns within unincorporated Boulder County. Follow the links for more information about each burn type.
- Slash piles (Permit required)
- Agricultural burns (Registration required)
- Broadcast burns (Burn Plan required)
- Recreational fires – no larger than 2 feet wide by 2 feet long by 3 feet high
- Other exempted burns
Burns conducted in city and town boundaries within Boulder County should follow the guidance set forth by their municipality.
The Open Burning Portal
Use the Open Burning Portal to:
- Apply for a Slash Pile Burn Permit
- Register your Agricultural Burn
- Log your Intent to Burn
- Cancel your burn
- Log your Burn Completion
Before You Burn
Before you proceed with an open burn in unincorporated Boulder County, complete the following steps:
- Read the Guide to Burning for expert tips and instructions on how to burn safely.
- Ensure no reasonable Alternatives to Burning exist for disposing of your material.
- Ensure your planned burn complies with all regulations and requirements listed in the Quick Guide.
- Complete the burn permit application or register your agricultural burn.
- You will be notified within 20 days whether your burn permit application was approved or denied.
- You will receive your agricultural burn registration number within 24 hours.
- Log your Intent to Burn within 5 minutes of starting your burn on the Open Burning Portal or by calling the Open Burning Hotline at 720-806-4305. Make sure you have your permit number or agricultural registration number available.
