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Ventura County, CA Noise Ordinances: Construction Hours (2026)

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

Construction hours in Ventura County, CA, sometimes called construction noise rules or contractor work-hour ordinances, set when contractors can run power tools, hammers, and heavy equipment.

Key Facts

Cutoff
Sunset (ESHA-adjacent sites only)
Noise cap
50-dB Leq(h) threshold
Scope
ESHA/buffer zone, coastal unincorporated area
Not covered
General county-wide construction hours

Summary

Outdoor construction next to an environmentally sensitive habitat area in unincorporated Ventura County must stop at sunset and stay under the county's ESHA noise threshold.

City-specific rules exist: Camarillo, Moorpark, Oxnard, Simi Valley, Thousand Oaks, and Ventura have their own construction hours rules that differ from Ventura County's county-level regulations. If you live in one of those cities, check the city-specific page instead.

Construction Noise. Construction noise is subject to the noise threshold in Section 8178-2.6.16. Outdoor construction within, abutting, or adjacent to an ESHA noise sensitive receptor is prohibited after sunset;

Source: Ventura County Code of OrdinancesView official code

Full Breakdown

Construction, grading, land clearing and brush removal within, abutting, or adjacent to an ESHA noise-sensitive receptor is barred from continuing after sunset, and the noise it generates is capped by the same 50-dB Leq(h) threshold that governs non-residential development noise near ESHA. The rule applies to development in ESHA, buffer zones, and the Santa Monica Mountains Overlay Zone in the unincorporated Coastal Zone: it does not set general construction hours county-wide or apply inside any of the ten cities.

Violations & Fines

Continuing outdoor construction past sunset next to ESHA, or exceeding the noise threshold, is a Coastal Development Permit condition violation that Code Compliance can cite and that can halt work.

Frequently Asked Questions

Is there a county-wide construction start/stop time?
Not in this section: it only bars outdoor construction after sunset next to environmentally sensitive habitat in the Coastal Zone.
Does this rule cover Ojai or Camarillo?
No, it applies only to unincorporated land near ESHA; each city sets its own construction-noise hours.

Sources & Official References

Other rules in Ventura County

All Ventura County rules

How Ventura County compares: Cities with the Strictest Construction Hours·California rules heatmap·Compare Ventura County to another location·View the California noise ordinances overview

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Construction Hours in Cities Across Ventura County