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4.G Noise

Table 4.G-3

City of Santa Clarita Ordinance Noise Limits

Region Time Exterior Sound Level (dB)
Residential Zone Day 65
Residential Zone Night 55
Commercial and Manufacturing Day 80
Commercial and Manufacturing Night 70

Source: Santa Clarita City Code, Section 11.40.080.

Section 11.44.070. Section 11.44.070 states, “any noise level from the use or operation
of any machinery, equipment, pump, fan, air conditioning apparatus, refrigerating equipment,
motor vehicle, or other mechanical or electrical device, or in repairing or rebuilding any motor
vehicle, which exceeds the noise limits as set forth in Section 11.44.040 at any property line, or,
if a condominium or rental units, within any condominium or rental unit within the complex,
shall be a violation of this chapter.” Construction work performed in conformance with
Section 11.44.080 (below) is exempt from Section 11.44.070.
13

Section 11.44.080, as Amended. Section 11.44.080, as amended by Ordinance No. 93-4
and No. 00-3, prohibits construction work requiring a building permit on sites within 300 feet of
a residentially zoned property from operating except between the hours of 7:00 A.M. and
7:00 P.M. Monday through Friday, and between 8:00 A.M. and 6:00 P.M. on Saturday.
Construction work is prohibited on Sundays, New Years Day, Independence Day, Thanksgiving
Day, Christmas Day, Memorial Day, and Labor Day. The Planning and Building Services
Department of the City of Santa Clarita may issue a permit for work to be done outside of these
hours provided that containment of construction noise is provided. Section 11.44.080, as
14
amended, represents an exception to Section 11.44.040 and 11.44.070 of the Noise Ordinance.

(b) Ground-Borne Vibration

The City of Santa Clarita does not provide construction or operation vibration guidelines
for residential areas.

13
Ibid.
14 Ibid.

County of Los Angeles Department of Regional Planning Skyline Ranch Project
PCR Services Corporation July 2009

Page 4.G-13
PRELIMINARY WORKING DRAFT – Work in Progress