Noise Ordinances in Rialto, CA (2026)
10 verified noise ordinances for Rialto, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Quiet Hours
Rialto Municipal Code Chapter 9.50 (Noise Control) prohibits unreasonably loud, unnecessary or unusual noise that disturbs the peace at any hour, and sets two nighttime thresholds for amplified sound: 'plainly audible' at 50 ft between 8 a.m.–10 p.m. and at 25 ft between 10 p.m.–8 a.m.
Rialto Quiet Hours and Nighttime Noise
Some RestrictionsConstruction Hours
RMC §9.50.070 sets seasonal construction hours. Summer (May 1–Sep 30): Mon–Fri 6 a.m.–7 p.m., Sat 8 a.m.–5 p.m. Winter (Oct 1–Apr 30): Mon–Fri 7 a.m.–5:30 p.m., Sat 8 a.m.–5 p.m. No construction on Sundays or state holidays in either season.
Rialto Construction Noise Hours (Seasonal)
Some RestrictionsBarking Dogs
Animal noise is excluded from Chapter 9.50 by RMC §9.50.060(N)(2) and is governed by Title 6 (Animals) of the Rialto Municipal Code. Persistent barking that disturbs neighbors is also actionable as a public nuisance under California Civil Code §3479 and §3480.
Rialto Barking-Dog and Animal Noise Rules
Some RestrictionsLeaf Blower Rules
RMC §9.50.050(D) restricts the use of gasoline or electric leaf blowers — by gardeners, contractors, or residents — to the hours of 7:00 a.m. to 8:00 p.m. in all zones. Rialto does not ban gas leaf blowers outright (unlike some coastal CA cities).
Rialto Leaf Blower Hours
Some RestrictionsAmplified Music & Events
Under RMC §9.50.030(A)(4), amplified personal or commercial sound may not be plainly audible across any property line, through party walls, more than 50 ft away from 8 a.m.–10 p.m., or more than 25 ft away from 10 p.m.–8 a.m. Vehicle stereos are separately a misdemeanor at 50 ft under §9.50.040.
Rialto Amplified Music and Sound System Rules
Heavy RestrictionsAircraft Noise
Aircraft in flight are preempted by federal law (49 U.S.C. §40103 / FAA). Rialto Municipal Code Ch. 9.50 (Noise Control) does not regulate in-flight aircraft. Land use around Rialto Municipal Airport (L67) is governed by the Airport Influence Area (AIA) overlay administered by the San Bernardino County Airport Land Use Commission (ALUC).
Aircraft Noise (Rialto Municipal Airport / FAA Preemption)
Few RestrictionsIndustrial Noise
Rialto Municipal Code Ch. 9.50 (Noise Control) sets exterior noise standards measured at the property line of the receiving land use. Industrial sources adjacent to residential receptors are limited by the residential receiving-zone standard (typically 65 dBA daytime / 55 dBA nighttime). SCAQMD Rule 2305 (Warehouse ISR) layers regional NOx/PM mitigation obligations on warehouses ≥100,000 sq ft.
Industrial Noise (Warehouse / I-10 Logistics Corridor)
Some RestrictionsDecibel Limits
Rialto Municipal Code Title 9, Chapter 9.50 (Noise Control) establishes exterior noise limits measured at the property line of the impacted receiving land use. Limits vary by zoning of the receptor (residential strictest) and time of day (7am-10pm daytime vs 10pm-7am nighttime). Construction activity is separately regulated under the same chapter.
Decibel Limits (Receiving-Property Standard)
Some RestrictionsOutdoor Music
Amplified outdoor music in Rialto is regulated under Municipal Code Title 9 Ch. 9.50 (Noise Control). Sound must not exceed the receiving-property decibel limit and is generally prohibited from being plainly audible at a residential property line between 10:00 pm and 7:00 am. Commercial venues and special events require a permit; alcohol-served outdoor entertainment also triggers ABC conditional licensing.
Outdoor Music & Amplified Sound
Some RestrictionsVehicle Noise
Vehicle noise on Rialto streets is governed primarily by California Vehicle Code §27150 et seq. (mandatory functioning muffler; no modified exhaust) and §23130 (vehicle decibel limits by class). Rialto Municipal Code Title 10 (Vehicles and Traffic) and Ch. 9.50 (Noise Control) prohibit loud sound systems and idling nuisances; CARB 13 CCR §2485 caps heavy-duty diesel idling at 5 minutes.
Vehicle Noise (Modified Exhaust, Stereo, Truck Idling)
Some RestrictionsLooking for San Bernardino County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Rialto city rules.
Noise Ordinances in San Bernardino County →