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Jefferson County, CO Curfew Laws: Juvenile Curfew (2026)

Significant Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Curfew hours
11pm Sun-Thu, midnight Fri-Sat, until 5am daily
Jurisdiction
Unincorporated Jefferson County only
Maximum fine
$300 plus $10 court surcharge
Enforcing agency
Jefferson County Sheriff's Office
Adopted
Resolution CC26-193, effective Sept. 1, 2026
Exceptions
7, including work, school events, emancipation

Summary

Anyone under 18 must be off public streets, businesses, and other public places in unincorporated Jefferson County by 11 p.m. Sunday through Thursday, midnight Friday and Saturday, and before 5 a.m. any day. The Sheriff's Office enforces the rule, adopted by ordinance effective September 1, 2026, with fines up to $300 per violation.

City-specific rules exist: Arvada, and Lakewood have their own juvenile curfew rules that differ from Jefferson County's county-level regulations. If you live in one of those cities, check the city-specific page instead.

It shall be unlawful for any person who has not reached his or her eighteenth birthday to be or remain upon any public road, street, or alley, to be or remain in any establishment open to the public, or to be or remain in any other public place in the unincorporated area of Jefferson County after the hour of 11:00 p.m. on any Sunday, Monday, Tuesday, Wednesday, or Thursday, or after the hour of 12:00 midnight on any Friday or Saturday, or prior to the hour of 5:00 a.m. on any day, except: 1. When accompanied by a parent, guardian, or other person having legal custody of such minor; or 2. When traveling for lawful employment or for one-half hour before or after such employment when commuting directly to or from such employment... C. Penalties and Enforcement. 1. A violation of any provision of this Ordinance shall be a civil infraction pursuant to C.R.S. § 30-15-402(1), and the penalty for a violation of any provision of this Ordinance shall be a fine of not more than three hundred dollars ($300.00) for each separate violation, as well as a ten dollar ($10) surcharge to the clerk of court pursuant to C.R.S. § 30-15-402(2).

Full Breakdown

The Curfew for Minors Ordinance (Part 3, Ch. 6, Sec. 1, Resolution CC26-193) makes it unlawful for anyone who has not reached age 18 to be on any public road, street, alley, or public establishment, or in any other public place in unincorporated Jefferson County during curfew hours, except in seven listed situations: accompanied by a parent or legal guardian; traveling to or from lawful employment (plus a half hour buffer); accompanied by an adult carrying the parent's written consent; engaged in First Amendment activity; traveling to or from a school, charitable, or non-profit dance or recreational activity; traveling to or from a sporting event; or if the minor is legally emancipated.

Section B separately makes it unlawful for a parent, guardian, or custodian to 'knowingly' allow a minor to violate the same hours, with 'knowingly' defined to include what a parent reasonably should be expected to know about a child's whereabouts. The ordinance was adopted July 21, 2026 and took effect September 1, 2026, replacing the county's older 1995 and 2010 curfew resolutions (CC95-649, CC10-501). All prosecutions proceed through the District Attorney under Colorado Rules of Criminal Procedure, and the Board of County Commissioners built a severability clause into the ordinance so a single invalidated section does not void the rest.

Violations & Fines

A curfew violation is a civil infraction under C.R.S. §30-15-402(1): fines run up to $300 per separate violation, plus a $10 surcharge to the clerk of court under §30-15-402(2). The Sheriff's Office applies the penalty assessment procedure of C.R.S. §16-2-201. A parent or guardian who knowingly lets a minor break curfew faces the identical civil infraction and fine. Collected fines go to the County Treasurer.

Frequently Asked Questions

What time does Jefferson County's minor curfew start?
It starts at 11 p.m. on Sunday, Monday, Tuesday, Wednesday, and Thursday, and at midnight on Friday and Saturday, running until 5 a.m. every day. The curfew applies only in unincorporated Jefferson County, not in Golden, Lakewood, Arvada, or the county's other incorporated cities.
Can a teen be out past curfew coming home from work?
Yes. The ordinance exempts minors traveling to or from lawful employment, including up to a half hour before or after the shift, as long as the minor is carrying the employer's written and signed statement showing the job's type, hours, and location.
What happens if my child is caught out after curfew?
The Sheriff's Office can issue a penalty assessment under C.R.S. §16-2-201 for a civil infraction, carrying a fine up to $300 plus a $10 clerk's surcharge. A parent who knowingly allowed the violation can be fined the same amount.
Are school dances or sporting events exempt from curfew?
Yes. A minor traveling directly to or from a recreational activity or dance sponsored by a public or private school or a charitable or non-profit organization, or to or from a sporting event, is exempt from the curfew under Section A.

Sources & Official References

Other rules in Jefferson County

All Jefferson County rules

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