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San Luis Obispo County, CA Short-Term Rentals: Noise Rules (2026)

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

Key Facts

Noise threshold
Audible from 50 feet
Who evaluates
Sheriff or Code Enforcement staff
Cross-referenced standard
County Noise Standards, Sec. 22.10.120
Responsible party
Owner and/or property manager
Governing section
County Code Sec. 22.30.510(b)(x)

Summary

Vacation rentals in San Luis Obispo County's Adelaida/Willow Creek Area answer to a specific noise trigger, not just the county's general noise ordinance. Sec. 22.30.510(b)(x) bars renters from creating noise "audible from a distance of 50 feet from the property lines of the rental property," on top of complying with the countywide Noise Standards.

These county ordinances apply to unincorporated areas of San Luis Obispo County. Incorporated cities within the county may have their own rules that take precedence over county-level regulations.

Noise. All residential vacation rentals shall comply with the standards of Section 22.10.120 et seq. (Noise Standards). No residential vacation rental is to involve on-site use of equipment requiring more than standard household electrical current at 110 or 220 volts or that produces noise, dust, odor or vibration detrimental to occupants of adjoining dwellings. In addition, property owners and/or property managers shall insure that the occupants of the residential vacation rental do not create loud or unreasonable noise that disturbs others and is not in keeping with the character of the surrounding neighborhood. Loud and unreasonable noise shall be evaluated through field observations by a County Sheriff, County Code Enforcement or other official personnel, based upon a threshold of noise disturbance related to the residential vacation rental use that is audible from a distance of 50 feet from the property lines of the rental property.

Full Breakdown

Sec. 510(b)(x) folds two layers of noise regulation onto residential vacation rentals in the Adelaida/Willow Creek Area. First, it requires every rental to comply with the countywide Noise Standards of Sec. , and bars the rental from using equipment beyond standard 110- or 220-volt household current, or equipment that produces noise, dust, odor or vibration detrimental to occupants of adjoining dwellings. " That fixed 50-foot audibility test gives deputies and code enforcement officers an objective benchmark to apply on a complaint call, rather than requiring a decibel meter reading.

The noise standard sits alongside the area's other posted requirements: Sec. 510(b)(xi)(2) requires the noise, parking and occupancy standards to be posted inside the rental unit itself and incorporated into the vacation rental contract given to tenants.

Violations & Fines

A violation of the vacation-rental noise standard is listed among the grounds for Zoning Clearance revocation in Sec. 22.30.510(b)(xvi), and penalties, including fines, are set under Chapter 22.74 (Enforcement) of the Land Use Ordinance. Three verified noise or other subsection violations within any consecutive six-month period, documented through signed community affidavits, are independent grounds for revoking the rental's Zoning Clearance.

Frequently Asked Questions

How loud can guests be at an Adelaida-area vacation rental?
Sec. 22.30.510(b)(x) sets a specific benchmark: loud or unreasonable noise is measured by whether it is audible from 50 feet outside the rental property's boundary lines, as observed by a County Sheriff, Code Enforcement officer, or other official personnel. Rentals must also comply with the county's general Noise Standards in Sec. 22.10.120.
Who is responsible if renters make too much noise?
Sec. 22.30.510(b)(x) places that responsibility on the property owner and/or property manager, who must ensure occupants do not create loud or unreasonable noise disturbing neighbors or out of character with the surrounding neighborhood. Repeated violations can be used against the rental's Zoning Clearance under Sec. 22.30.510(b)(xvi).
What equipment restrictions apply to vacation rentals besides noise complaints?
Sec. 22.30.510(b)(x) also bars on-site use of equipment requiring more than standard 110- or 220-volt household electrical current, or equipment producing noise, dust, odor or vibration detrimental to occupants of adjoining dwellings, independent of the 50-foot audibility test used for complaint-based noise enforcement.

Sources & Official References

Other rules in San Luis Obispo County

All San Luis Obispo County rules

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