Quiet Hours: Lincoln vs Rocklin
How do quiet hours rules compare between Lincoln, CA and Rocklin, CA?
Lincoln and Rocklin have similar restriction levels.
Lincoln, CA
Placer County
Lincoln regulates loud or unreasonable noise under Title 9 of the Municipal Code (Public Peace, Morals and Welfare). Disturbing-the-peace conduct is also a violation of California Penal Code 415.
View full Lincoln rules →Rocklin, CA
Placer County
Rocklin's General Plan Noise Element treats 7 a.m. to 10 p.m. as daytime and 10 p.m. to 7 a.m. as nighttime, with stationary sources held to roughly 55 dBA Leq during the day and 45 dBA Leq at night at sensitive receptors. Loud and unreasonable noise that disturbs the peace is enforceable as a 'disturbance' under Rocklin Municipal Code Chapter 9.40, which lets the city recover police call-back costs after a first warning.
View full Rocklin rules →Key Facts Comparison
| Fact | Lincoln | Rocklin |
|---|---|---|
| Code chapter | Title 9 — Public Peace, Morals and Welfare | - |
| Code portal | Municode (library.municode.com/ca/lincoln) | - |
| State backstop | Cal. Penal Code 415; Civ. Code 3479 | Cal. Penal Code Section 415 |
| Code Enforcement | 916-434-2477 | - |
| After-hours | Lincoln PD non-emergency 916-645-4040 | - |
| Daytime hours | - | 7:00 a.m. to 10:00 p.m. |
| Nighttime hours | - | 10:00 p.m. to 7:00 a.m. |
| Stationary daytime limit | - | 55 dBA Leq (hourly) |
| Stationary nighttime limit | - | 45 dBA Leq (hourly) |
| Residential exterior standard | - | 60 dBA Ldn (General Plan) |
| Code section | - | Rocklin Municipal Code Ch. 9.40 (Disturbance Call Back Cost Recovery) |
| Report to | - | Rocklin Police non-emergency or Access Rocklin app |
Highlighted rows indicate differences between cities.
Lincoln FAQ
Where can I read Lincoln's noise ordinance in full?
The City's official municipal code is published online at library.municode.com/ca/lincoln/codes/code_of_ordinances. Title 9 (Public Peace, Morals and Welfare) is the relevant chapter for noise.
What if my neighbor's noise is not specifically covered by the code?
California Civil Code 3479 treats any condition that is 'offensive to the senses' or interferes with the comfortable enjoyment of property as a private nuisance, which can be enforced through civil action even when no local decibel limit applies.
Rocklin FAQ
Is there a hard decibel limit at night in Rocklin?
Rocklin's General Plan Noise Element sets 45 dBA Leq as the hourly nighttime (10 p.m.-7 a.m.) performance standard for stationary noise sources at residential receptors, and 60 dBA Ldn as the exterior community-noise standard for single-family homes.
What if a loud party next door wakes me at 1 a.m.?
Call Rocklin Police non-emergency. Under Municipal Code Chapter 9.40 the first response is generally a warning; a second response within the cost-recovery window can trigger call-back billing under the Disturbance Call Back Cost Recovery ordinance.
Does state law cover noise too?
Yes. California Penal Code section 415 makes disturbing the peace through 'loud and unreasonable noise' a misdemeanor regardless of any local rule.
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