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Adams County, CO Drone Rules: Park Drone Restrictions (2026)

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

Key Facts

Rule
permit required to launch/land drones
No-permit spot
Riverdale drop-in gravel lot
Commercial/photo use
separate permit via Parks Admin
Fine
$100 civil infraction
Always banned
endangering people or animals

Summary

Adams County requires a POSCA Department Director permit before anyone can take off or land a drone on county park, trail, or open-space land under Rule 20(a), since the FAA otherwise governs UAS flight itself. A no-permit "drop-in" launch pad exists only at Riverdale Regional Park, and flying in a way that endangers people, pets, livestock, or wildlife is banned outright.

City-specific rules exist: Thornton, and Westminster have their own park drone restrictions rules that differ from Adams County's county-level regulations. If you live in one of those cities, check the city-specific page instead.

The Federal Aviation Administration (FAA) governs the use of public and civilian Unmanned Aircraft Systems (UAS) operations. Operating a UAS (drone or small model plane) on Adams County Property is only permitted in accordance with these Rules and Regulations. ... (a) It is unlawful to take-off or land any unmanned aircraft system (drone) on an Adams County Park, trail or open space area unless permitted by the Adams County POSCA Department Director.

Full Breakdown

Rule 20 of the POSCA Rules and Regulations opens by acknowledging that the Federal Aviation Administration governs UAS operations generally, but the county separately controls where a drone may take off and land on its own park property. Rule 20(a) makes it unlawful to take off or land a drone on any Adams County park, trail, or open-space area unless permitted by the POSCA Department Director. Rule 20(b) carves out one exception: a designated drop-in gravel lot at Riverdale Regional Park, directly north of the Adams County Museum, where no permit is needed to take off or land during park hours.

Commercial and photographic drone use gets its own track under Rule 20(c): applicants apply through the Parks Administration Office for Director approval, and the county reviews or can deny requested operating times and locations over resource, wildlife, or public-safety concerns. § 29-7-101(2)-(3), with jurisdiction in Adams County Court.

Violations & Fines

Taking off or landing a drone without the required permit under Rule 20(a) or (c), or violating the endangerment ban in 20(d), is a civil infraction under C.R.S. § 29-7-101(2) and § 16-2.3-102(1)(a), carrying a $100 fine per violation plus court fees. Article IV.6 also allows immediate ejection from the park area.

Frequently Asked Questions

Can I fly a drone in an Adams County park without a permit?
Only at the designated drop-in area, a gravel lot at Riverdale Regional Park north of the Adams County Museum, available during regular park hours per Rule 20(b)(i). Everywhere else in the county park system, Rule 20(a) requires a takeoff/landing permit from the POSCA Department Director.
Does the FAA or the county control my drone flight?
Both. Rule 20 states the FAA governs UAS operations generally, but Adams County separately controls where you may take off and land on county park property, requiring its own permit for most locations besides the Riverdale drop-in area.
How do I get a permit for commercial drone photography in a county park?
Rule 20(c) requires applying through the Parks Administration Office for POSCA Director approval, submitting the proper forms and requested locations and times; the county can deny or amend the request over wildlife, resource, or public-safety concerns.
What's banned no matter where I fly?
Rule 20(d) bars controlling a drone "in a manner which may endanger, harass, harm, or injure any person, companion animal, livestock, or wildlife" anywhere on Adams County park, trail, or open-space land, permit or no permit.

Sources & Official References

Other rules in Adams County

All Adams County rules

Compare Adams County to another location·View the Colorado drone rules overview

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