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Longmont, CO Short-Term Rentals: Noise Rules (2026)

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

Key Facts

Governing section
Longmont Municipal Code § 15.02.080.D.10
Noise standard used
Citywide unreasonable-noise ordinance, § 10.20.090
Posting requirement
License posted inside unit must cite noise section
Also posted
Occupancy limit, fire extinguisher location, manager contact
Revocation trigger
3+ noise/other notices support pattern-of-nuisance revocation

Summary

Longmont does not set a separate noise limit for short-term rentals; instead it makes the citywide unreasonable-noise standard part of every license, under Longmont Municipal Code section 15.02.080.D.10. The posted license inside the rental must spell out the relevant provisions of section 10.20.090, and repeated noise complaints can build toward license revocation.

10.Posting of short-term rental license. A copy of the short-term rental license shall be posted in a prominent location within the rental. The license shall specify the term of the license, occupancy approved for the short-term rental, relevant provisions of section 10.20.090 regarding unreasonable noise, the location of the fire extinguisher, the property manager's address, telephone number and email address, and any conditions of approval.

View official code

Full Breakdown

090 regarding unreasonable noise," the location of the fire extinguisher, and the property manager's address, phone number and email address. 090 and requires the license itself to advertise that fact on site, so a guest cannot claim ignorance of the noise rules. 16, which authorizes the director to revoke the license outright, separate from any citation issued directly under the noise ordinance itself. 09.

Violations & Fines

Failing to post the required license notice, including the section 10.20.090 noise language, breaches section 15.02.080.D.10 and D.13 and is a development code violation under section 15.09.030. A confirmed noise violation at the property is itself enforced under the separate citywide noise ordinance, but it also counts toward the short-term rental "pattern of nuisance" standard: three or more notices, warnings, citations or fines against the same rental let the director revoke the license under section D.16, in addition to whatever fine applies under the noise ordinance itself.

Frequently Asked Questions

Does Longmont have a separate noise curfew just for short-term rentals?
No. Longmont applies its general unreasonable-noise ordinance, section 10.20.090, to short-term rentals rather than writing a separate rule. Section 15.02.080.D.10 requires the posted short-term rental license inside the unit to spell out the relevant provisions of that noise section so guests see it on site.
What must a Longmont short-term rental license posting include about noise?
Under section 15.02.080.D.10, the posted license must state the license term, the approved occupancy, the relevant provisions of section 10.20.090 on unreasonable noise, the fire extinguisher's location, and the property manager's name, phone number and email address, all displayed in a prominent location inside the rental.
Can repeated noise complaints get a Longmont short-term rental license revoked?
Yes. Under section 15.02.080.D.16, three or more notices of violation, warnings, citations or fines against the same short-term rental property, which can include noise-related actions, establish a pattern of nuisance that lets the director revoke the license, on top of any penalty issued directly under the noise ordinance.

Sources & Official References

Other rules in Longmont

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All Longmont rules

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