Centennial, CO Sign Regulations: Digital Billboards (2026)
Key Facts
- Max brightness
- 0.3 foot-candles above ambient light
- Minimum display time
- 8 seconds per message
- Transition limit
- under 1 second, no effects
- Measurement point
- 175 feet from sign, right-of-way
- Repair deadline
- 48 hours after notice
Summary
Centennial caps digital billboard brightness at 0.3 foot-candles above ambient light, measured with a calibrated meter 175 feet from the sign 30 minutes after sunset or before sunrise.
2.The illuminance of a Digital Billboard shall be measured with an illuminance meter set to measure foot-candles accurate to at least two (2) decimals.3.A Digital Billboard shall not exceed 0.3 foot-candles over ambient light as measured by the distance to the sign as set forth in this Section with an illuminance meter.4.The foot-candle measurement as required by this Section shall be conducted at least thirty (30) minutes after sunset or thirty (30) minutes before sunrise.
Full Breakdown
Centennial's Land Development Code regulates electronic billboards under LDC § 12-6-307. Illuminance may not exceed 0.3 foot-candles above ambient light, measured with a two-decimal illuminance meter from a point in the right-of-way 175 feet from the sign, taken at least 30 minutes after sunset or before sunrise. Displays must show static messages only, no animation, flashing, or video, for a minimum of eight seconds, with transitions under one second. Owners must certify factory-preset dimming and use automatic technology that adjusts brightness to ambient light, and repair malfunctioning displays within 48 hours of notice.
Violations & Fines
LDC violations are minor offenses; the City can issue cease-and-desist and stop-work orders, and municipal court may fine up to $2,650 per day of continuing violation (§§ 12-15-201, 12-15-302, 1-4-10).
Frequently Asked Questions
Can a digital billboard flash or scroll messages in Centennial?
How bright can a Centennial digital billboard be at night?
Sources & Official References
Other rules in Centennial
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Digital Billboards in Nearby Cities
How other cities in Arapahoe County handle digital billboards.