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Rancho Santa Margarita · Building on your lot

Noise and construction hours in Rancho Santa Margarita

Rancho Santa Margarita's own rules on noise and construction hours, with the code text for every value.

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Each rule below links to the section of the Rancho Santa Margarita Municipal Code it was read from, with the code text one click away (checked October 2026). General information, not legal advice.

What Rancho Santa Margarita's code says

Rancho Santa Margarita code What Rancho Santa Margarita's code adds
Noise limit at homes
  • Noise may not exceed 55 dB(A).
    Applies: Outdoors at another home, 7:00 a.m. to 10:00 p.m.; for more than 30 minutes in any hour.
    § 5.04.050 · code text
    1 | 55 dB(A) | 7:00 a.m—10:00 p.m.
  • Noise may not exceed 50 dB(A).
    Applies: Outdoors at another home, 10:00 p.m. to 7:00 a.m.; for more than 30 minutes in any hour.
    § 5.04.050 · code text
    50 dB(A) | 10:00 p.m.—7:00 a.m.
  • Noise may not exceed 45 dB(A).
    Applies: Inside another home, 10:00 p.m. to 7:00 a.m.; for more than 5 minutes in any hour.
    § 5.04.060 · code text
    45 dB(A) | 10:00 p.m.—7:00 a.m.
  • Noise may not exceed 45 dB(A).
    Applies: Outdoor noise that is only impact noise, simple tones, speech or music, 10:00 p.m.—7:00 a.m.
    § 5.04.050 · code text
    50 dB(A) | 10:00 p.m.—7:00 a.m. (b) In the event the alleged offensive noise consists entirely of impact noise, simple tone noise, speech, music, or any combination thereof, each of the above noise levels shall be reduced by five dB(A).
  • Noise may not exceed 40 dB(A).
    Applies: Indoor noise that is only impact noise, simple tones, speech or music, 10:00 p.m.—7:00 a.m.
    § 5.04.060 · code text
    45 dB(A) | 10:00 p.m.—7:00 a.m. (b) In the event the alleged offensive noise consists entirely of impact noise, simple tone noise, speech, music, or any combination thereof, each of the above noise levels shall be reduced by five dB(A).

Who this affects

HomeownersContractorsDesigners

Frequently asked questions

What are the noise rules and construction hours in Rancho Santa Margarita?

Rancho Santa Margarita's code: Noise may not exceed 55 dB(A). (Outdoors at another home, 7:00 a.m. to 10:00 p.m.; for more than 30 minutes in any hour.) (§ 5.04.050); Noise may not exceed 50 dB(A). (Outdoors at another home, 10:00 p.m. to 7:00 a.m.; for more than 30 minutes in any hour.) (§ 5.04.050).

General information, not legal advice.

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Rancho Santa Margarita Municipal Code — full text