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Fort Collins, CO Noise Ordinances: Leaf Blower Rules (2026)

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

Key Facts

Exempt equipment hours
7:00 a.m. to 8:00 p.m.
Exempt equipment dB cap
Under 85 dB(A) at property line
Residential noise limit, day
55 dB(A), 7am-8pm
Residential noise limit, night
50 dB(A), 8pm-7am
Variance authority
Code Compliance Inspector
Max penalty
$2,650 fine, up to 180 days jail

Summary

Fort Collins's noise ordinance exempts domestic power tools and lawn and garden equipment, including leaf blowers, from the citywide noise limits only when run between 7:00 a.m. and 8:00 p.m. and kept under 85 dB(A) at the property line. Run one outside that window or over that level and it falls under the general unreasonable-noise and zoned decibel rules in Chapter 20.

The provisions of this Article shall not apply to: ... Noise from domestic power tools and lawn and garden equipment operated between 7:00 a.m. and 8:00 p.m., provided that such tools or equipment generate less than eighty-five (85) dB(A) at or within any real property line of a residential property;

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Municipal Code: Supplement 155 | Transitional Land Use Code (for project before May 17, 2024): Supplement 61 | Traffic Code: Supplement 27).

Full Breakdown

Chapter 20's noise article sets maximum sound levels by zoning district under § 20-23, ranging from 55 dB(A) daytime and 50 dB(A) nighttime in residential zones up to 80/75 dB(A) in industrial zones. and stays under 85 dB(A) measured at or within the residential property line. , or loud enough to exceed 85 dB(A) at the line loses the exception and is measured instead against the general unreasonable-noise prohibition in § 17-129 and the zoned limits in § 20-23, which Police Services may enforce using a prima facie determination based on time of day, gathering size, amplification and similar factors.

exception under § 20-25(6), and snow removal equipment is exempt outright under § 20-25(7) if it runs with a working muffler. A property owner who needs to run equipment outside the exempted hours, such as a landscaping crew on a tight schedule, can apply to the Code Compliance Inspector for a variance of up to one year under § 20-27, which requires proof the noise will not endanger public health and that compliance would impose an unreasonable hardship.

Violations & Fines

Violating the noise article, including running exempted equipment like leaf blowers outside the 7 a.m.-8 p.m./85 dB(A) window, is an unclassified misdemeanor under § 20-29, carrying a fine and surcharge up to $2,650 and up to 180 days in jail under the Chapter 1 general penalty table, plus a summons issued by any authorized enforcement officer.

Frequently Asked Questions

Can I use a leaf blower early in the morning in Fort Collins?
Not exempt before 7:00 a.m. Section 20-25(4) only excuses domestic power tools and lawn and garden equipment, including leaf blowers, from the noise article between 7:00 a.m. and 8:00 p.m., and only if they stay under 85 dB(A) at the property line.
What decibel limit applies to leaf blowers in Fort Collins?
Within the 7 a.m.-8 p.m. window, leaf blowers and similar yard tools are exempt as long as they generate less than 85 dB(A) at or within the residential property line, per § 20-25(4). Outside that window, the zoned limits in § 20-23, as low as 50 dB(A) at night in residential zones, apply instead.
What happens if my neighbor runs a leaf blower at night?
Once outside the 7 a.m.-8 p.m. exception, the noise is measured against the applicable zoning district limit under § 20-23, and Police Services can also cite it as unreasonable noise under § 17-129, factoring in the time of day and duration of the disturbance.

Sources & Official References

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