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Jefferson County, CO Short-Term Rentals: Night Caps (2026)

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

Key Facts

Annual night cap
None in Section 46
STR separation
750 feet between STRs
District cap
1% of units per Fire District
Separation applies
At initial application only
Primary STR
Exempt from both limits

Summary

Jefferson County Section 46 does not impose an annual limit on the number of nights an STR may be rented. Instead of a night cap, it controls STR density through a 750-foot separation between STRs and a 1% cap per Fire Protection District.

City-specific rules exist: Arvada has its own night caps rules that differ from Jefferson County's county-level regulations. If you live in Arvada, check the city-specific page instead.

Properties used for STRs shall not be located within seven-hundred and fifty (750) feet of another property containing an existing and permitted STR. This standard applies at the time of the initial application for an STR License, not for renewals.

Full Breakdown

Unlike some resort jurisdictions, Jeffco's Section 46 contains no maximum-nights-per-year restriction on a licensed STR. Density is managed on the front end: an investment STR property may not be within 750 feet of another existing, permitted STR (measured at initial application, not renewal), and up to only 1% of dwelling units within a Fire Protection District may be STRs. Primary Residence STRs are exempt from both the separation and the 1% cap. Because there is no night cap, the practical ceiling on nights is set by occupancy, licensing, and the annual license term rather than a rental-day limit.

Violations & Fines

There is no night-cap violation; density-rule breaches (siting within 750 feet or exceeding the 1% district cap) result in denial, and operating without a valid license triggers fines.

Frequently Asked Questions

Is there a limit on how many nights I can rent?
No. Section 46 sets no maximum nights per year. It limits STR density through the 750-foot separation and the 1% Fire Protection District cap instead.
How close can two STRs be?
An investment STR cannot be within 750 feet of another existing, permitted STR, measured at initial application. Primary Residence STRs are exempt from this separation.

Sources & Official References

Other rules in Jefferson County

All Jefferson County rules

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