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Douglas County, CO Fire Regulations: Fireworks (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified July 2026

Key Facts

Legal in CO
Permissible (non-aerial) fireworks only
Always illegal
Aerial + explosive fireworks statewide
Fire-season status
All fireworks usually banned
Max fine
$1,000 plus $10 surcharge
Complaint hotline
303-814-7118

Summary

Colorado allows only non-aerial, non-explosive "permissible fireworks" (fountains, sparklers, ground spinners). All aerial and audible-explosive fireworks (bottle rockets, firecrackers, mortars, Roman candles) are illegal statewide. Douglas County routinely bans even permissible fireworks during summer fire restrictions.

City-specific rules exist: Castle Rock has its own fireworks rules that differ from Douglas County's county-level regulations. If you live in Castle Rock, check the city-specific page instead.

Use of fireworks – including professional firework displays.

Full Breakdown

Under C.R.S. 12-28-101 only "permissible fireworks" are legal in Colorado; the statute excludes aerial devices and audible ground devices such as firecrackers. C.R.S. 12-28-102 makes it unlawful to use any fireworks other than permissible fireworks anywhere in the state. C.R.S. 12-28-107 lets counties and towns further restrict or ban fireworks. Douglas County almost every summer enacts Stage 1 or Stage 2 fire restrictions (C.R.S. 24-33.5-1426 authority) that prohibit all fireworks, including professional displays. Highlands Ranch and other unincorporated areas fall under the County restriction; Castle Rock, Parker and Lone Tree add their own bans. Report violations to the fireworks hotline 303-814-7118.

Violations & Fines

Violating County fire restrictions is a Class 2 Petty Offense punishable by up to a $1,000 fine plus a $10 surcharge.

Frequently Asked Questions

Are bottle rockets legal in Douglas County?
No. Bottle rockets, firecrackers and any aerial or exploding fireworks are illegal everywhere in Colorado, not just in Douglas County.
Can I use sparklers on July 4th?
Only when no fire restrictions are in effect. During Stage 1 or Stage 2 restrictions, which are common in summer, all fireworks including sparklers are banned.

Sources & Official References

Other rules in Douglas County

All Douglas County rules

How Douglas County compares: Cities Where Fireworks Are Banned or Heavily Restricted·Compare Douglas County to another location·View the Colorado fire regulations overview

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Fireworks in Cities Across Douglas County