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Stanislaus County, CA Noise Ordinances: Amplified Music & Outdoor Sound (2026)

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

Amplified music rules in Stanislaus County, CA, also called sound permit, PA system, or live music ordinances, set decibel limits, time-of-day restrictions, and when permits are required.

Key Facts

Audibility limit
Not audible beyond 200 feet
Covers
Sound-amplifying equipment and live music
Time restriction
None: applies 24 hours
Overridden by
Conflicting land-use permit conditions
Each exceedance
A separate chapter violation

Summary

Under Code § 10.46.060(D), sound-amplifying equipment and live music anywhere in unincorporated Stanislaus County may not be audible to the human ear beyond 200 feet from the source. The cap applies at all hours with no daytime exception, though it yields to any conflicting condition attached to a county land-use permit.

City-specific rules exist: Modesto has its own amplified music & outdoor sound rules that differ from Stanislaus County's county-level regulations. If you live in Modesto, check the city-specific page instead.

Sound-Amplifying Equipment and Live Music. No person shall install, use or operate sound-amplifying equipment, or perform, or allow to be performed, live music unless the sound emanating from the sound-amplifying equipment or live music shall not be audible to the human ear at a distance greater than two hundred feet. To the extent that these requirements conflict with any conditions of approval attached to an underlying land use permit, these requirements shall control.

Full Breakdown

050. Its introductory sentence warns that failing any of these additional standards 'constitutes a separate violation of this chapter', meaning a loud concert can be cited under this subsection even if it does not exceed the Table A decibel ceiling for its zone. carve-out, the 200-foot line applies around the clock. The subsection's final sentence gives county land-use permitting a narrow escape hatch: where conditions of approval attached to an underlying land-use permit conflict with the 200-foot standard, those permit conditions control instead, which is how the county lets an approved winery, event venue, or agritourism operation run amplified music under permit-specific terms rather than the blanket county-wide rule.

Absent such a permit, any backyard party, outdoor wedding, or unpermitted concert using a PA system or live band in the unincorporated county is measured against the flat 200-foot audibility line, not a decibel meter reading.

Violations & Fines

Because the chapter treats each specific-source standard as independently enforceable, sound-amplifying equipment or live music audible beyond 200 feet is its own violation under § 10.46.060(D), separate from any Table A exceedance, and is also declared a public nuisance under § 10.46.020's general findings, punishable as such regardless of the hour it occurs.

Frequently Asked Questions

Is there a curfew time for live bands or DJs in the county?
No fixed cutoff hour applies. Section 10.46.060(D) bans audibility beyond 200 feet at any time of day or night, so a band or PA system carrying past that distance violates the code whether it is 2 p.m. or 2 a.m.: the standard is distance-based, not time-based.
Can an event permit override the 200-foot rule?
Yes. The subsection states that where a land-use permit's conditions of approval conflict with the 200-foot standard, 'these requirements shall control,' meaning the county-approved permit's own noise conditions govern that specific venue instead of the blanket rule.
How is this different from the general decibel table?
Section 10.46.050's Table A sets numeric dB(A) ceilings by zone and time of day. Section 10.46.060(D) is a separate, audibility-distance rule aimed specifically at amplified sound and live music, and violating it is treated as its own offense on top of any Table A exceedance.

Sources & Official References

Other rules in Stanislaus County

All Stanislaus County rules

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