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Fountain Valley, CA Noise Ordinances: Construction Hours (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Construction hours in Fountain Valley, CA, sometimes called construction noise rules or contractor work-hour ordinances, set when contractors can run power tools, hammers, and heavy equipment.

Key Facts

Weekday exemption window
7 a.m. to 8 p.m. Monday through Friday
Saturday exemption window
9 a.m. to 8 p.m.
Sundays and legal holidays
No exemption at any time
Covered tools
Saws, buffers, sanders, drills, sprayers and similar activity
Landscape maintenance window
Sundays and holidays 9 a.m. to 6 p.m.
Variance application fee
$75, filed with the health officer

Summary

In the City of Fountain Valley, California, construction, repair, remodeling and grading noise is exempt from the noise chapter only between 7 a.m. and 8 p.m. Monday through Friday and 9 a.m. and 8 p.m. on Saturday. Work on Sundays and legal holidays gets no exemption at all.

The following activities shall be exempted from the provisions of this chapter: ... (5) Noise sources associated with the construction, repair, remodeling or grading of any real property, provided said activities take place between the hours of seven a.m. and eight p.m. Monday through Friday, nine a.m. through eight p.m. on Saturday and at no time on Sunday or any legal holiday. For purposes of this exception the use of saws, buffers, sanders, drills, and sprayers shall be included, as shall similar activity;

Full Breakdown

Fountain Valley does not write its construction rule as a standalone curfew. Section 6.28.070(5) of the Municipal Code exempts construction noise from Chapter 6.28 when the work happens inside set hours: seven a.m. to eight p.m. Monday through Friday, nine a.m. through eight p.m. on Saturday, and at no time on Sunday or any legal holiday. The exemption covers noise sources associated with the construction, repair, remodeling or grading of any real property, and it expressly counts saws, buffers, sanders, drills, sprayers and similar activity.

The practical effect is that work inside the window is shielded from the numeric limits, while work outside it is not. Section 6.28.050 caps exterior noise on residential property at 55 dB(A) from 7 a.m. to 10 p.m. and 50 dB(A) from 10 p.m. to 7 a.m., and Section 6.28.060 sets interior limits of 55 and 45 dB(A). A crew running a saw at 6:30 a.m. on a weekday, or a sander on a Sunday, is measured against those numbers. Section 6.28.145 separately bars loud, unnecessary and unusual noise that disturbs the peace of a residential neighborhood.

Grading has its own definition in Section 6.28.020: any excavating or filling of earth material conducted at a site to prepare it for construction or other improvements. Emergency machinery, vehicles or work, meaning efforts to protect, provide or restore safe conditions or to restore utility service, are exempt under Section 6.28.070(4) without the hour limits.

Landscape crews follow a different schedule. Section 6.28.070(9) allows landscape maintenance between seven a.m. and eight p.m. Monday through Friday, nine a.m. through eight p.m. on Saturday, and nine a.m. through six p.m. on Sundays and legal holidays, but leaf blowers are excluded and run under Chapter 6.10.

A contractor who cannot meet the hours can apply for a variance from the health officer under Section 6.28.120 with a seventy-five dollar fee. The application does not stop prosecution until a variance is granted.

Violations & Fines

Chapter 6.28 violations are misdemeanors under Section 6.28.150, and each day a violation continues is a separate offense. Section 1.16.010 sets the misdemeanor ceiling at a one thousand dollar fine, six months in County Jail, or both, and allows the prosecutor to charge an infraction instead, with fines of one hundred, two hundred and five hundred dollars for successive violations within one year.

Frequently Asked Questions

What time can construction start in Fountain Valley?
Construction noise is exempt from the noise chapter starting at seven a.m. Monday through Friday and nine a.m. on Saturday. Section 6.28.070(5) allows the work to continue until eight p.m. on both days. Before those times the numeric noise limits in Section 6.28.050 apply to the work.
Can contractors work on Sundays in Fountain Valley?
Not under the exemption. Section 6.28.070(5) says the construction exemption applies at no time on Sunday or any legal holiday. Noise from saws, drills, sanders and similar tools on those days is measured against the residential limits of 55 dB(A) by day and 50 dB(A) at night.
Do gardeners follow the same hours as construction crews in Fountain Valley?
Almost, but not exactly. Landscape maintenance under Section 6.28.070(9) runs seven a.m. to eight p.m. weekdays and nine a.m. to eight p.m. Saturday, plus nine a.m. to six p.m. on Sundays and legal holidays. Leaf blowers are excluded and follow the stricter Chapter 6.10 hours.
Can I ask for permission to work outside the hours in Fountain Valley?
You can apply for a variance under Section 6.28.120. The application goes to the health officer with a seventy-five dollar fee and must explain why compliance is not immediate and propose a schedule. The county noise variance board decides it, and you remain subject to prosecution until a variance is granted.

Sources & Official References

Other rules in Fountain Valley

All Fountain Valley rules

How Fountain Valley compares: Cities with the Strictest Construction Hours·California rules heatmap·Compare Fountain Valley to another location·View the California noise ordinances overview

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