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Santa Clara County, CA Drone Rules: Commercial Drones (2026)

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

Key Facts

Penalty type
Civil/administrative fines, not misdemeanor
Exemption
Public agency drones only
Applies to
Unincorporated county, all operators
Private remedy
Civil suit for damages, fees

Summary

Unincorporated Santa Clara County bans operating any drone, commercial UAS included, in a way that interferes with firefighting, law enforcement, or emergency response; only public-agency drones are exempt.

City-specific rules exist: Sunnyvale has its own commercial drones rules that differ from Santa Clara County's county-level regulations. If you live in Sunnyvale, check the city-specific page instead.

(a)It is unlawful for a person to operate an Unmanned Aircraft System in a manner that interferes with firefighting, emergency services, law enforcement, or a military operation in response to an Emergency.(b)A violation of this Section is not a misdemeanor. Any person in violation of this Section may be subject to civil and administrative fines and penalties. Any violation of this Chapter is declared a public nuisance.(c)Any person who experiences loss or injury as a direct result of an Unmanned Aircraft System's interference with firefighting, emergency services, law enforcement, or a military operation in response to an Emergency shall have a private right of action in any court of competent jurisdiction against any person who caused the interference in violation of this Section and shall be entitled to recover damages, costs including reasonable attorney fees, and other relief as determined by the court.(d)Public Unmanned Aircraft are exempt from the provisions of this Section. (Ord. No. NS-643, § 3, 6-19-18)

Secs. B13-127—B13-129. - Reserved.

Division B14 - PARKS AND RECREATION Footnotes: --- (1) ---

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 65).

Full Breakdown

Santa Clara County Ordinance Code § B13-126 makes it unlawful for any person, commercial drone operators included, to operate an Unmanned Aircraft System in a manner that interferes with firefighting, emergency services, law enforcement, or a military operation responding to an emergency in the unincorporated county. A violation is not a misdemeanor, but the county can impose civil and administrative fines and it declares the violation a public nuisance. Only Public Unmanned Aircraft, drones flown by a public agency for a governmental purpose, are exempt from the prohibition.

Violations & Fines

Civil and administrative fines; the violation is declared a public nuisance, and anyone harmed by the interference gets a private right of action for damages and attorney fees.

Frequently Asked Questions

Does this ban commercial drone flights in unincorporated Santa Clara County?
No: it only bans interfering with firefighting, law enforcement, or emergency response; other commercial drone use still needs to follow FAA rules.
What happens if my drone interferes with a wildfire response?
You face civil and administrative fines, the act is a declared public nuisance, and anyone harmed can sue you for damages plus attorney fees.

Sources & Official References

Other rules in Santa Clara County

All Santa Clara County rules

California rules heatmap·Compare Santa Clara County to another location·View the California drone rules overview

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