Amplified Music & Events: Chino vs Fontana
How do amplified music & events rules compare between Chino, CA and Fontana, CA?
Fontana has fewer restrictions than Chino.
Chino, CA
San Bernardino County
Amplified music is regulated under two parallel layers in Chino: CMC § 9.40.040 (general exterior noise standards) caps any amplified sound at 55/50 dBA L50 day/night at the neighbor's property line, and CMC Chapter 9.36 — substantially rewritten by Ordinance No. 2019-005 — imposes flat administrative fines on hosts of 'loud or unruly gatherings' without any decibel proof, on a per-response escalating schedule.
View full Chino rules →Fontana, CA
San Bernardino County
Amplified music in Fontana is governed by Chapter 18 nuisance rules and the Zoning Code noise standards. Sound that is plainly audible across property lines between 10 PM and 7 AM is a violation, and venues with outdoor speakers must comply with the hours written into their conditional use permits.
View full Fontana rules →Key Facts Comparison
| Fact | Chino | Fontana |
|---|---|---|
| Loud-party code | Chino Municipal Code Ch. 9.36 (rewritten by Ord. 2019-005) | - |
| Fine schedule | Warning / $250 / $500 / $750 per response | - |
| Cumulative window | 72 hours; up to $1,500 for four responses | - |
| Decibel cap (any source) | 75 dBA Lmax day / 70 dBA Lmax night at property line | - |
| Parental liability | Parents pay if responsible host is a minor | - |
| Standard | - | Plainly audible across property line |
| Night Window | - | 10 PM to 7 AM strict |
| Venues | - | CUP conditions govern outdoor sound |
| Zoning | - | Table 30-469 caps by receiving use |
| Enforcement | - | Police plus Code Enforcement |
Highlighted rows indicate differences between cities.
Chino FAQ
What time do I have to turn down amplified music in Chino?
Nighttime caps under CMC § 9.40.040 start at 10:00 p.m. (drop to 50 dBA L50 / 70 dBA Lmax at property line). Loud-party rules under Ch. 9.36 apply 24/7 regardless of decibels.
How much can my party fine reach?
Under Ord. 2019-005, up to $1,500 in a 72-hour period (warning + $250 + $500 + $750). Independent § 9.40 noise citations and state disturbing-the-peace charges may also apply.
Do the loud-party fines apply only to teenage parties?
No. Chapter 9.36 applies to any gathering on private property — adult parties, family events, large barbecues — where police are called for noise or disorder. The minor/parent provision applies only when the responsible host is under 18.
Fontana FAQ
Can I have a backyard party with speakers?
Yes during daytime hours. Keep sound from being plainly audible at neighboring property lines, and shut amplification off by 10 PM.
What about car stereos?
Audible at 50 feet from the vehicle is the traditional California standard. Fontana Police enforce both under state Vehicle Code and local nuisance rules.
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