1 county-level rule, plus city-specific rules for 2 cities in Jefferson County, Colorado.
Verified from official government sources
Only 'permissible fireworks' under Colorado C.R.S. 12-28-101(8) - sparklers, ground spinners, fountains, and snakes - are legal in Colorado. All aerials, firecrackers, bottle rockets, and Roman candles are illegal statewide. Jefferson County's foothills face high wildfire risk, and Sheriff Reggie Marinelli routinely imposes Stage 1 or Stage 2 fire restrictions under C.R.S. 30-15-401(1)(n.7) banning all fireworks. The 2021 Marshall Fire region borders the county and underscores enforcement.
2 cities in Jefferson County have their own fire regulations rules. Each link goes to that city's dedicated page with code citations.
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Jefferson County Ordinance Hub →