Construction Hours: Chino vs San Bernardino
How do construction hours rules compare between Chino, CA and San Bernardino, CA?
Chino and San Bernardino have similar restriction levels.
Chino, CA
San Bernardino County
Construction noise in Chino is exempt from the exterior decibel limits in CMC § 9.40.040 only when the work occurs within designated construction hours. The City of Chino General Plan Noise Element (Objective N-1.3, Policy P2) limits construction work near noise-sensitive uses to 7:00 a.m. to 7:00 p.m., and CMC Chapter 9.40 carries that limit through as the exemption window.
View full Chino rules →San Bernardino, CA
San Bernardino County
Construction is permitted 7 AM to 7 PM Monday through Saturday in San Bernardino. No construction on Sundays or federal holidays. Early starts are common because of Inland Empire summer heat.
View full San Bernardino rules →Key Facts Comparison
| Fact | Chino | San Bernardino |
|---|---|---|
| Permitted hours | 7:00 a.m. to 7:00 p.m. | - |
| Source authority | Chino General Plan Noise Element, Objective N-1.3 Policy P2 | - |
| Exemption mechanism | CMC § 9.40 exempts construction within designated hours | - |
| Sunday/holiday rule | Same 7 a.m.–7 p.m. window applies; outside that window standard noise limits control | - |
| Typical construction noise | 80–90 dBA at 50 ft (per Chino GP EIR §4.10) | - |
| Weekday Hours | - | 7 AM to 7 PM, Mon to Sat |
| Sunday and Holidays | - | Prohibited without special permit |
| Enforcement | - | Code Enforcement and Police |
| Phone | - | 909-384-5122 |
Highlighted rows indicate differences between cities.
Chino FAQ
When can construction start in Chino?
7:00 a.m. is the earliest, per Chino General Plan Noise Element Policy P2 (Objective N-1.3). Work must stop by 7:00 p.m.
Can my neighbor pour concrete on Sunday?
Only within the 7 a.m.–7 p.m. window and only if the activity stays under CMC § 9.40.040 limits. The city does not separately exempt weekend or holiday construction.
What about emergency repairs?
Emergency repairs to gas, water, sewer, electrical, or telephone utilities are typically exempted from noise rules; non-emergency construction is not.
San Bernardino FAQ
Can contractors work on Sunday?
No. Sunday and federal holiday construction is prohibited except under special permit for emergency or critical infrastructure work.
Why do crews start so early?
Inland Empire summer heat often exceeds 100 degrees, so contractors use the 7 AM start to protect workers under Cal/OSHA heat-illness rules.
Compare other topics
See how Chino and San Bernardino compare on other ordinance categories.
Want to add a third city?
Use our full comparison tool to compare up to three cities.
Open Comparison Tool