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

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

Key Facts

Open hours
1 hr pre-sunrise to 1 hr post-sunset
Closed
1 hr post-sunset to 1 hr pre-sunrise
After-hours entry fine
$100.00
After-hours parking fine
$50.00
Urban park exception
Crown Hill, Van Bibber, Welchester: 5a-11p

Summary

Jeffco Open Space parks are open one hour before sunrise to one hour after sunset. Entering or occupying Open Space Lands during closed hours (unless posted otherwise) is unlawful, with a $100 fine. Three urban parks - Crown Hill, Van Bibber, Welchester - keep extended 5 a.m.-11 p.m. hours.

City-specific rules exist: Arvada, and Lakewood have their own park 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 to enter, use or occupy Open Space Lands from one (1) hour after sunset to one (1) hour before sunrise, unless posted otherwise. Fine: $100.00

Full Breakdown

The Jefferson County Parks and Open Space Regulations (Section C.21, Park Hours) make it unlawful to enter, use, or occupy Open Space Lands from one hour after sunset to one hour before sunrise, unless posted otherwise, carrying a $100 fine. Parking a vehicle or trailer on Open Space Lands outside park hours without a valid, posted camping permit is unlawful with a $50 fine (Section C.21.b). Overnight camping is prohibited except by advance permit in designated areas (Section C.22, $100 fine). Three urban parks - Crown Hill, Van Bibber, and Welchester Tree Grant - keep extended hours of 5:00 a.m. to 11:00 p.m. rather than the standard sunrise-to-sunset schedule.

Violations & Fines

Entering or occupying Open Space Lands during closed hours is unlawful with a $100 fine; parking a vehicle or trailer outside park hours without a posted camping permit carries a $50 fine.

Frequently Asked Questions

What time do Jeffco Open Space parks close?
They close one hour after sunset and reopen one hour before sunrise. Entering during closed hours is unlawful and carries a $100 fine unless the park is posted otherwise.
Are any Jeffco parks open later?
Yes. Crown Hill, Van Bibber, and Welchester Tree Grant urban parks are open 5:00 a.m. to 11:00 p.m., longer than the standard sunrise-to-sunset schedule.

Sources & Official References

Other rules in Jefferson County

All Jefferson County rules

Compare Jefferson County to another location·View the Colorado curfew laws overview

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Park Curfew in Cities Across Jefferson County