Delano, CA Noise Ordinances: Quiet Hours (2026)
Quiet hours in Delano, CA, also called the noise ordinance, nighttime noise rules, or residential quiet time, define the hours during which excessive noise is prohibited.
Key Facts
- Code
- Delano Municipal Code §20.10.180
- Residential Exterior Cap
- 65 dB(A) CNEL
- Residential Interior Cap
- 45 dB(A) CNEL
- Enforced By
- Delano Code Enforcement / DPD
Summary
Delano regulates noise through the Development Code's noise hazard provisions (DMC §20.10.180), which apply standards drawn from the General Plan Noise Element to any property within the 65 dB CNEL noise contour.
Interior noise levels in residences dwelling units and educational institutions shall not exceed 45 dB(A) CNEL emanating from sources outside of the affected building. Exterior noise levels in residential land use areas shall not exceed 65 dB(A) CNEL.
Full Breakdown
When a new use is proposed within or adjacent to the 65 dB CNEL contour, an acoustical report is required. Interior noise in residences and educational buildings must not exceed 45 dB(A) CNEL from outside sources, and exterior noise in residential areas is capped at 65 dB(A) CNEL. Stricter interior limits apply to specific occupancies: 45 dB(A) for churches/libraries, 50 dB(A) for offices, 55 dB(A) for retail/restaurants, and 65 dB(A) for warehouses.
Violations & Fines
Noise above the CNEL standards constitutes a nuisance enforceable by Delano Code Enforcement and the Delano Police Department. Mitigation measures (sound walls, building shell upgrades) may be required as a condition of any project approval.
Frequently Asked Questions
What is CNEL?
Does this apply to one-off loud parties?
Sources & Official References
Other rules in Delano
How Delano compares: Cities with the Strictest Noise Ordinances·California rules heatmap·Compare Delano to another location·View the California noise ordinances overview
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Quiet Hours in Nearby Cities
How other cities in Kern County handle quiet hours.