Vehicle Noise: Ontario vs Rialto
How do vehicle noise rules compare between Ontario, CA and Rialto, CA?
Ontario, CA
San Bernardino County
No data available yet for Ontario.
Rialto, CA
San Bernardino County
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.
View full Rialto rules →Key Facts Comparison
| Fact | Ontario | Rialto |
|---|---|---|
| Muffler/exhaust statute | - | Cal. Veh. Code §27150-27151 |
| Stereo audible 50 ft | - | Cal. Veh. Code §27007 |
| Vehicle dBA limits | - | Cal. Veh. Code §23130 (80 dBA cars / 88 dBA trucks <35 mph) |
| Diesel idle cap | - | 5 minutes (13 CCR §2485) |
Highlighted rows indicate differences between cities.
Ontario FAQ
No FAQs available.
Rialto FAQ
Are aftermarket exhausts legal in Rialto?
Only if they don't exceed the vehicle's original manufacturer noise level (Veh. Code §27151). No 'straight pipes' or muffler deletes.
Can a truck idle outside my house?
Not for more than 5 minutes (CARB 13 CCR §2485 for heavy-duty diesels). Report to SCAQMD 1-800-CUT-SMOG.
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