Propane Storage: Boulder vs Longmont
How do propane storage rules compare between Boulder, CO and Longmont, CO?
Boulder and Longmont have similar restriction levels.
Boulder, CO
Boulder County
Boulder Fire Rescue follows the International Fire Code adopted under BRC Title 10 to regulate residential and commercial propane storage. Residential tank size, setback, and quantity limits are strictly enforced after Marshall Fire wildfire concerns.
View full Boulder rules →Longmont, CO
Boulder County
Longmont follows the 2021 International Fire Code (LMC Chapter 16.32, Ord. O-2021-66) Chapter 61 for liquefied petroleum gas storage and use. Longmont Fire Services specifies that propane devices are not allowed on balconies or within 10 feet of combustible construction, with exceptions for one- and two-family dwellings, fully sprinklered properties, and small LP-gas containers of 2.5 pounds or less. Natural gas appliances may be permanently installed per the Mechanical Code and manufacturer specifications.
View full Longmont rules →Key Facts Comparison
| Fact | Boulder | Longmont |
|---|---|---|
| Adopting code | BRC Title 10 IFC | - |
| Lead agency | Boulder Fire Rescue | - |
| Wildfire context | Post-Marshall Fire 2021 | - |
| Permits | Required for larger tanks | - |
| Code Cite | - | 2021 IFC Ch. 61 via LMC Ch. 16.32 |
| Balcony / 10-ft Combustible Setback | - | Required |
| Exception 1 | - | 1- or 2-family dwellings |
| Exception 2 | - | Sprinklered properties |
| Exception 3 | - | LP-gas containers <=2.5 lbs |
Highlighted rows indicate differences between cities.
Boulder FAQ
Can I store spare 20-pound grill tanks in my garage?
Generally no; cylinders must be stored outdoors per the fire code, away from ignition sources and building openings.
What about RV propane?
RV onboard tanks are allowed but must remain on the vehicle; bulk refilling is restricted to permitted facilities.
Longmont FAQ
Can I have a propane grill on my Longmont apartment balcony?
Generally no. Longmont Fire Services prohibits propane devices on balconies or within 10 feet of combustible construction. Exceptions apply only for one- and two-family dwellings, fully sprinklered properties, or LP-gas containers of 2.5 pounds or less (which is too small for a typical 20-lb grill tank).
How are propane storage rules adopted in Longmont?
Longmont adopted the 2021 International Fire Code by Ordinance O-2021-66, codified at LMC Chapter 16.32. IFC Chapter 61 governs LP-gas (propane) container storage, dispensing, and use. NFPA 58 (Liquefied Petroleum Gas Code) is referenced for technical requirements.
Can I install a permanent gas grill or fire feature at my Longmont home?
Yes. Longmont Fire Services states that natural gas appliances are allowed if permanently installed per the Mechanical Code and manufacturer specifications. Permanent LP-gas tank installations and refilling stations require IFC permits administered by Longmont Fire Codes and Planning.
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