Stockton, CA Environmental Rules: Vehicle Idling Restrictions (2026)

390, Industrial Warehouse Standards, applies to logistics warehouses 400,000 square feet or larger and does not apply to any new building on property annexed into the City before December 31, 2023. Once a qualifying facility begins operating, subsection (B)(1)(r) requires the tenant or operator to restrict truck idling on site to a maximum of three minutes, subject to exceptions defined by CARB's commercial vehicle idling requirements. During construction, subsection (B)(3)(c) separately caps off-road diesel-powered construction equipment at no more than 10 hours in the on position per day, and subsection (B)(3)(e) requires posted signage stating that truck idling lasting more than five minutes is prohibited, with contact information for both the site operator and the San Joaquin Valley Air Pollution Control District's complaint line; operator complaints must be answered within 72 hours.

Once the facility is operating, subsection (C)(2) requires on-site electrical hookups at loading docks for temperature-controlled trucks and flatly prohibits idling or using auxiliary truck engine power to run climate-control equipment. Subsection (C)(7) separately bans truck queuing, idling, or circling on public streets adjacent to the facility. These standards apply only to qualifying logistics warehouses; there is no general citywide idling limit for ordinary passenger vehicles or smaller commercial lots in the Development Code.