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

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

Key Facts

Decibel limit in STR rule
None; state CRS 25-12-103 applies
Good Neighbor Guidelines
Must give guests
Manager response
Within one hour, in person
State noise law
CRS 25-12-103
Enforcement
Complaint-driven, fines apply

Summary

Ordinance 2023-02 sets no separate decibel standard, but each rental must provide guests county Good Neighbor Guidelines and a Local Manager who responds within one hour. Colorado's state noise limits (CRS 25-12-103) and county nuisance rules still apply.

City-specific rules exist: Boulder, and Longmont have their own noise rules rules that differ from Boulder County's county-level regulations. If you live in one of those cities, check the city-specific page instead.

Good Neighbor Guidelines provided by the county

Full Breakdown

The short-term rental ordinance controls noise indirectly rather than by a fixed decibel limit. Section 6.A.2 requires the licensee to give every guest county-provided Good Neighbor Guidelines, and Section 6.A.5 requires a Local Manager who can respond to a renter or complainant within one hour in person. Complaints of disturbances can trigger inspection and enforcement. Underlying noise limits come from Colorado's maximum permissible noise levels in CRS 25-12-103 (measured by zone and time of day) plus Boulder County nuisance provisions, which apply to rental guests just as to residents.

Violations & Fines

Repeated noise or nuisance complaints can be treated as ordinance offenses. A first minor offense is $150, escalating to $500 and $1,000; a stop-renting order can issue for immediate health and safety threats.

Frequently Asked Questions

Is there a set quiet-hours decibel limit for rentals?
The rental ordinance sets no separate decibel cap. Colorado's maximum permissible noise levels under CRS 25-12-103 and county nuisance rules govern instead.
Who handles noise complaints?
The Local Manager must respond to complainants within one hour in person, and each guest receives the county's Good Neighbor Guidelines with the rental.

Sources & Official References

Other rules in Boulder County

All Boulder County rules

Compare Boulder County to another location·View the Colorado short-term rentals overview

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