Industrial facilities in Sunnyvale must not exceed 70 dBA at the property line during the day or 65 dBA at night under Chapter 19.48, with stricter limits when adjacent to residential zones.
Sunnyvale Municipal Code Chapter 19.48 sets tiered noise limits based on receiving land use. Industrial zones, which include the Peery Park and Moffett Park business districts, may reach 70 dBA at the property line during daytime hours and 65 dBA at night. However, when an industrial property shares a boundary with residential zoning, the lower residential limits of 60 dBA day and 50 dBA night apply at the residential line. Tech and biotech tenants such as LinkedIn, Google (Moffett), and Fortinet along Mathilda must control rooftop HVAC, chiller plants, backup generators, and loading dock operations accordingly. Sunnyvale Planning requires acoustical studies for new industrial or mixed-use projects near residential borders, and mitigation often includes noise walls, enclosures, and time restrictions on generator testing.
Contact your local code enforcement office for specific penalty information.
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