Generators in Stockton must comply with SMC Ch. 8.20. Operating generators creating noise disturbances across residential lines between 10 PM and 7 AM is prohibited.
Portable and stationary generators are regulated under Stockton Municipal Code Section 8.20.030, which prohibits operating tools or equipment on private property between 10 PM and 7 AM that creates a noise disturbance across residential property lines. During daytime hours, generators must not create unreasonable noise that disturbs the peace and quiet of any neighborhood. Commercial and industrial generator installations adjacent to noise-sensitive uses must comply with Chapter 16.60 Table 3-7 performance standards. Diesel-powered generators in the San Joaquin Valley are additionally subject to SJVAPCD regulations including potential permit requirements for stationary engines and CARB portable equipment registration. Emergency backup generators may be exempt from certain noise provisions during actual emergencies or utility outages, but routine testing should occur during daytime hours. New generator installations may require building and electrical permits from the City.
Generator noise causing disturbances between 10 PM and 7 AM violates SMC 8.20.030. Fines up to $500 or imprisonment up to six months. SJVAPCD violations for unpermitted diesel engines carry separate penalties. Commercial generators exceeding Table 3-7 limits face code enforcement.
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