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Glenn County, CA Sign Regulations: Digital Billboards (2026)

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

Key Facts

Governing section
Glenn County Code § 15.62.040
Rotation limit exemption
None over 8 RPM
Exceptions
Time-and-temperature displays, barber poles
Applies
All zones, unincorporated county
Repeat violation penalty
Up to $5,000 fine, 1 year jail

Summary

Unincorporated Glenn County bans any sign with moving, rotating, flashing or animated light or components in every zone under Code Section 15.62.040, which rules out digital and electronic billboard displays outright. The only carve-outs are time-and-temperature displays and barber poles, so an LED reader board cycling ads or messages does not qualify.

These county ordinances apply to unincorporated areas of Glenn County. Incorporated cities within the county may have their own rules that take precedence over county-level regulations.

The following signs and sign materials are prohibited in all zones: ... Signs consisting of any moving, rotating (exceeding eight rpm), flashing or otherwise animated light or component, except for time and temperature displays and barber poles;

Full Breakdown

040 lists prohibited signs and sign materials that apply countywide regardless of zoning district. Alongside bans on signs that imitate traffic signals or carry obscene content, the section prohibits any sign with a moving, rotating component exceeding eight revolutions per minute, or any flashing or otherwise animated light or component, with two narrow exceptions carved out for time-and-temperature displays and traditional barber poles. 030. 010 explains the intent behind the rule: safeguarding property values, preserving the county's rural appearance and reducing hazards and confusion to motorists and pedestrians from distracting signage along county roads and state highways. 040 prohibition on animation, so a permitted billboard cannot be built with a digital, flashing or scrolling face. 020.

Violations & Fines

Erecting or maintaining a sign with flashing, rotating or animated components violates Section 15.62.040 in every zoning district; there is no permit that legalizes it since the ban is absolute outside the time-and-temperature and barber-pole exceptions. As with other county code violations, enforcement runs through the general penalty chapter: a first violation is an infraction, and a third violation of the same provision within 12 months becomes a misdemeanor punishable by up to a $5,000 fine or one year in county jail under Sections 1.12.010 and 1.13.010.

Frequently Asked Questions

Can a business put up a digital billboard in unincorporated Glenn County?
No. Code Section 15.62.040 bans any sign with flashing, rotating or otherwise animated lights or components in every zone, and a digital billboard's changing display falls within that ban. Only time-and-temperature displays and barber poles are exempt.
Does an off-premises advertising permit allow a digital sign face?
No. A conditional use permit under Section 15.62.070 lets an off-premises advertising structure go up in specific zones, but the structure still has to meet the Section 15.62.040 ban on flashing or animated components, so its face cannot be digital or scrolling.
What happens if a flashing sign goes up anyway in Glenn County?
The first violation is treated as an infraction under Section 1.12.010. A third violation of the same sign rule within 12 months becomes a misdemeanor, carrying up to a $5,000 fine, a year in county jail, or both, under Section 1.13.010.

Sources & Official References

Other rules in Glenn County

All Glenn County rules

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