Propane Storage: Denver vs Phoenix
How do propane storage rules compare between Denver, CO and Phoenix, AZ?
Phoenix has fewer restrictions than Denver.
Denver, CO
Denver County
Denver Fire Code DRMC §10 adopts the International Fire Code Chapter 61 for liquefied petroleum gas. Residential cylinders are capped at 25 gallons aggregate water capacity outside, and indoor storage is sharply limited with permits required above small thresholds.
View full Denver rules →Phoenix, AZ
Maricopa County
Propane storage in Phoenix is regulated by the Phoenix Fire Code. Residential tanks require setbacks per NFPA 58. Tanks over 500 gallons require permits from Phoenix Fire Department.
View full Phoenix rules →Key Facts Comparison
| Fact | Denver | Phoenix |
|---|---|---|
| Code basis | DRMC §10 + IFC 61 | - |
| Residential limit | 25 gal water capacity | - |
| Indoor BBQ tank | Prohibited | - |
| Permit office | Denver Fire Prevention | - |
| Under 500 gal | - | Standard setbacks |
| Over 500 gal | - | Permit required |
| Fire Prevention | - | (602) 262-6011 |
| Standard | - | NFPA 58 |
Highlighted rows indicate differences between cities.
Denver FAQ
Can I store my BBQ propane tank in my Denver garage?
No. The Denver Fire Code prohibits storing 20-pound LP-gas cylinders inside attached garages, basements, or living spaces. Keep tanks outside, on the ground, away from doors and windows.
How big a propane tank can I have for my home?
Up to 25 gallons aggregate water capacity on a residential property without a Fire Department permit. Larger ASME tanks need fire-prevention review and clearances under IFC 61.
Phoenix FAQ
Do I need a permit?
Under 500 gallons: no. Over 500 gallons: Phoenix Fire permit required.
Setbacks?
Per NFPA 58. Typically 10+ feet from structures.
Who enforces?
Phoenix Fire Prevention at (602) 262-6011.
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