Quiet Hours: Chino vs Hesperia
How do quiet hours rules compare between Chino, CA and Hesperia, CA?
Chino and Hesperia have similar restriction levels.
Chino, CA
San Bernardino County
Chino does not impose a strict bedtime curfew on residents, but Chino Municipal Code Chapter 9.40 (Noise) sets enforceable A-weighted decibel limits at the receiving residential property line that drop 5 dB between 10:00 p.m. and 7:00 a.m. Section 9.40.040 (Exterior Noise Standards) caps continuous noise (L50) at 55 dBA daytime / 50 dBA nighttime, with maximum (Lmax) of 75 dBA daytime / 70 dBA nighttime.
View full Chino rules →Hesperia, CA
San Bernardino County
Hesperia treats unreasonable noise as a public nuisance under Hesperia Municipal Code Chapter 8.32 (Title 8 — Health and Safety). There is no fixed dB curfew written into the city code, but noise that disturbs the peace, comfort or quiet of neighbors — especially overnight (commonly 10 PM–7 AM) — is enforceable as a nuisance by Code Enforcement and San Bernardino County Sheriff (Hesperia Station).
View full Hesperia rules →Key Facts Comparison
| Fact | Chino | Hesperia |
|---|---|---|
| Code section | Chino Municipal Code § 9.40.040 (Exterior Noise Standards) | - |
| Nighttime window | 10:00 p.m. to 7:00 a.m. | - |
| Continuous noise cap (L50) | 55 dBA day / 50 dBA night at the property line | - |
| Absolute max (Lmax) | 75 dBA day / 70 dBA night | - |
| Loud-party fines | $250 / $500 / $750 per response (CMC Ch. 9.36, Ord. 2019-005) | - |
| Code Section | - | Hesperia Mun. Code Ch. 8.32 (Public Nuisance) |
| Land-Use Standard | - | Dev. Code §16.08.545 (Noise Contour) — 60 dBA Ldn exterior residential |
| Practical Quiet Hours | - | 10 PM – 7 AM (nuisance standard) |
| Enforcement | - | Hesperia Code Enforcement + SB County Sheriff (Hesperia Station) |
| Penalty (Mun. Code §1.16) | - | $100 / $200 / $500 escalating infraction fines |
Highlighted rows indicate differences between cities.
Chino FAQ
What time do quiet hours start in Chino?
The exterior noise limits drop 5 dB at 10:00 p.m. and return to daytime levels at 7:00 a.m. (CMC § 9.40.040). At night, anything louder than 50 dBA L50 or 70 dBA Lmax at your property line is a violation.
How loud can a neighbor be during the day?
Up to 55 dBA L50 / 70 dBA L02 / 75 dBA Lmax measured at your residential property line between 7 a.m. and 10 p.m. Short loud peaks above 75 dBA are violations any time of day.
Are loud parties handled separately?
Yes. CMC Chapter 9.36 (rewritten by Ord. 2019-005) imposes flat administrative fines ($250 / $500 / $750) on the host for each police response inside a 72-hour window, regardless of decibel reading.
Hesperia FAQ
What time does Hesperia consider 'quiet hours'?
The Municipal Code does not list a numbered curfew hour, but 10 PM to 7 AM is the period enforced as nighttime nuisance noise under Chapter 8.32, consistent with the city's General Plan Noise Element residential standard.
Who do I call about loud neighbors in Hesperia?
For an in-progress disturbance call San Bernardino County Sheriff Hesperia Station (760-947-1500). For ongoing nuisance properties file with Hesperia Code Enforcement at (760) 947-1343.
Is there a decibel limit in Hesperia?
Hesperia uses a nuisance standard rather than a dB meter limit. The Development Code §16.08.545 noise contour and General Plan Noise Element use 60 dBA Ldn as the exterior residential compatibility threshold for land-use planning.
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