Antioch, CA Noise Ordinances: Construction Hours (2026)
Construction hours in Antioch, CA, sometimes called construction noise rules or contractor work-hour ordinances, set when contractors can run power tools, hammers, and heavy equipment.
Key Facts
- Weekday hours
- 7:00 a.m. - 6:00 p.m. (8:00 a.m. - 5:00 p.m. within 300 ft of an occupied dwelling)
- Weekend/holiday hours
- 9:00 a.m. - 5:00 p.m. regardless of distance from dwellings
- Heavy equipment definition
- Grading/earth-moving equipment and diesel engine equipped machines; pickup trucks 1 ton or less excluded
- Construction activity definition
- Hammering, sawing, drilling, demolition, deliveries; audible beyond parcel perimeter
- Enforcement tool
- Stop Work Order (section 5-17.05(C)) plus general penalties
- Waiver
- City Manager may grant project-specific waivers under section 5-17.06
Summary
Antioch Municipal Code sections 5-17.04 and 5-17.05 limit construction activity and heavy construction equipment to 7 AM-6 PM weekdays (8 AM-5 PM if within 300 feet of an occupied dwelling) and 9 AM-5 PM on weekends and holidays. Violations can trigger Stop Work Orders.
(B) It shall be unlawful for any person to be involved in construction activity during the hours specified below: (1) On weekdays prior to 7:00 a.m. and after 6:00 p.m. (2) On weekdays within 300 feet of occupied dwellings, prior to 8:00 a.m. and after 5:00 p.m. (3) On weekends and holidays, prior to 9:00 a.m. and after 5:00 p.m., irrespective of the distance from the occupied dwellings.
Full Breakdown
Antioch's construction noise rules are codified in two parallel sections of Chapter 17. 04 covers HEAVY CONSTRUCTION EQUIPMENT, defined as 'equipment used in grading and earth moving, including diesel engine equipped machines used for that purpose, except pickup trucks of one ton or less' (the term OPERATE includes 'starting, warming-up, and idling'). ' Floor covering installation and painting using non-powered equipment are excluded. irrespective of distance from the occupied dwelling. 06 (Ord. 2032-C-S, 2009) delegates to the City Manager or designee authority to grant project-specific waivers.
Violations & Fines
Stop Work Order under section 5-17.05(C) plus an infraction/misdemeanor citation under section 1-2.01 et seq. Building permit holder must give assurance against future violations before the order is released.
Frequently Asked Questions
Can I run a generator or saw at 6:30 AM on a Saturday in Antioch?
Does the 300-foot rule apply to my own house?
Can I get a waiver?
Sources & Official References
Other rules in Antioch
How Antioch compares: Cities with the Strictest Construction Hours·California rules heatmap·Compare Antioch to another location·View the California noise ordinances overview
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Construction Hours in Nearby Cities
How other cities in Contra Costa County handle construction hours.