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Fort Collins, CO Property Maintenance: Property Blight (2026)

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

Key Facts

Notice to abate deadline
24 hrs (imminent risk) or 7 days (other)
1st civil penalty
$250 per Sec. 20-130(f)(1)
4th+ civil penalty
$2,000 each, Sec. 20-130(f)(4)
Abatement cost lien interest
8% compounded annually
IPMC dangerous-building basis
Sec. 5-46/5-47, cited in Sec. 20-111(41)
Chronic nuisance threshold
3 activities/90 days or 7/year

Summary

Fort Collins Municipal Code Article IX (Sec. 20-110 et seq., general code) lets code enforcement officers declare a public nuisance, including violations of the International Property Maintenance Code adopted at Sec. 5-46/5-47, and abate it after notice, billing the owner and placing a lien on the property if unpaid.

Nuisance activity means any of the following violations and nuisances occurring or existing on a property and committed by any person, including, without limitation, by an owner, lessee, agent, occupant, or trespasser: ...(41)Violations of the 2021 International Property Maintenance Code - Code §§ 5-46 and 5-47.(42)Violations of the Rental Housing Standards - Article VI, Division 1 of Code Chapter 5. ... Public nuisance or nuisance means any repeated or continuing nuisance activity, or combination of nuisance activities, occurring or existing on a property that creates an unreasonable risk of harm or is injurious to the public health, safety, or welfare.

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

Sec. 20-111 defines 'nuisance activity' to include, at item (41), 'Violations of the 2021 International Property Maintenance Code - Code §§ 5-46 and 5-47,' the chapter that adopts IPMC standards for dangerous, substandard and unsafe structures; a 'public nuisance' is any repeated or continuing nuisance activity that creates an unreasonable risk of harm to public health, safety or welfare. Under Sec. 20-112, a code enforcement officer with probable cause may enter a property without a warrant to abate a nuisance, but must get consent or a search warrant to enter a building, residential curtilage or a fenced enclosure, except in an emergency threatening life or safety.

Sec. 20-113 requires a notice to abate giving the owner, lessee or agent 24 hours to correct a nuisance posing an imminent risk of injury or damage, or 7 days for other nuisances (longer if the officer finds more time reasonable). If the City abates the nuisance itself, Sec. 20-118 makes the owner liable for the City's internal and external abatement costs, due within 45 days of invoicing, accruing 8 percent annual interest if unpaid, and becoming a perpetual lien on the property with priority over all but general taxes and prior special assessments.

Division 2 (Sec. 20-125) makes failing to abate after notice, or interfering with abatement, a misdemeanor; Division 3 (Sec. 20-130) instead lets an officer issue a civil penalty assessment. Division 4 (Sec. 20-135) covers 'chronic nuisance property' status (three or more nuisance activities in 90 days, or seven in a year, for single-owner residential property), requiring the owner to submit a written abatement plan within 10 days of notice or face a civil action to abate the property.

Violations & Fines

Failure to abate after notice is either a misdemeanor under Sec. 20-125 or, at the officer's election, a civil infraction under Sec. 20-130 with an escalating penalty schedule: $250 for a first infraction at the property, $500 for a second within 60 days, $1,000 for a third within 120 days, and $2,000 for each subsequent infraction within a year, plus court costs. Unpaid City abatement costs become a property lien accruing 8 percent annual interest.

Frequently Asked Questions

Is a dangerous or substandard building treated as a public nuisance in Fort Collins?
Yes. Sec. 20-111 lists 'violations of the 2021 International Property Maintenance Code - Code §§ 5-46 and 5-47' as a nuisance activity, so a building found unsafe or substandard under the adopted IPMC can be enforced through the Article IX public nuisance process.
How much warning does the City give before abating a nuisance property?
Sec. 20-113 requires 24 hours' notice if the nuisance poses an imminent risk of injury, property damage or a threat to public health or safety, or 7 days for other nuisances, longer if the officer decides the nuisance cannot reasonably be fixed that fast.
Can the City put a lien on my property for cleanup costs?
Yes. Sec. 20-118 makes the owner liable for the City's internal and external abatement costs, due within 45 days of invoicing; unpaid costs accrue 8 percent annual interest and become a perpetual lien with priority over all but general taxes and prior special assessments.
What triggers 'chronic nuisance property' status?
Sec. 20-111 and 20-135 define it as three or more nuisance activities within 90 days, or seven within a year, at a single-owner property (higher thresholds apply to multi-unit properties); the owner then gets 10 days after notice to submit a written abatement plan.

Sources & Official References

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