5 rules for unincorporated San Luis Obispo County, California.
Verified from official government sources
In unincorporated San Luis Obispo County, exterior noise at any noise-sensitive land use must not exceed 50 dBA equivalent (Leq) or 70 dBA maximum during the day (7 a.m.-10 p.m.) and 45 dBA Leq or 65 dBA maximum at night (10 p.m.-7 a.m.) under County Code Section 23.06.044.
San Luis Obispo Co. Code Section 23.06.044 (Exterior Noise Level Standards)
23.06.044 Exterior noise level standards. No person shall create any noise, or allow the creation of any noise on property owned, leased, occupied or otherwise controlled by such person which causes the exterior noise level... to exceed the noise level standards: 50 dBA Leq / 70 dBA Lmax (7 a.m.-10 p.m.); 45 dBA Leq / 65 dBA Lmax (10 p.m.-7 a.m.). Standards are reduced by 5 dB for simple tone n...
San Luis Obispo County Code Section 23.06.042(d) exempts construction noise from the exterior noise standards provided the activity occurs only between 7 a.m. and 9 p.m. on weekdays, or between 8 a.m. and 5 p.m. on Saturdays and Sundays. Outside those windows, construction noise is enforceable.
San Luis Obispo Co. Code Section 23.06.042(d) (Construction-noise exception)
23.06.042 Exceptions. The standards of Sections 23.06.044 through 23.06.050 do not apply to: ... (d) noise sources associated with construction, provided such activities do not take place before seven a.m. or after nine p.m. any day except Saturday or Sunday, or before eight a.m. or after five p.m. on Saturday or Sunday.
Under San Luis Obispo County Code Section 9.04.080, a dog, cat or household pet is declared a public nuisance when three or more persons living in separate dwelling units in the neighborhood affirm in writing that the animal is a habitual nuisance due to frequent, persistent or long-continued howling, barking or other noise.
San Luis Obispo Co. Code Section 9.04.080 (Abatement of noise or nuisance)
9.04.080 Abatement of noise or nuisance. When three or more persons living in separate dwelling units in the neighborhood affirm in writing that any dog, cat or household pet is a habitual nuisance by reason of frequent, persistent or long-continued howling, barking or other noise... the division, after investigation, shall serve written notice upon the owner or custodian that the public nuisan...
Amplified music in unincorporated San Luis Obispo County is regulated under County Code Section 23.06.044, which reduces the applicable exterior noise limit by 5 dB when the noise consists primarily of speech or music. Temporary events with amplified sound require a Minor Use Permit and a noise study per Section 23.08.248.
San Luis Obispo Co. Code Section 23.06.044 (adjustment for speech or music)
23.06.044 ... Standards are reduced by 5 dB for simple tone noises, noises consisting primarily of speech or music, or for recurring impulsive noises.
Aircraft noise in flight is preempted by federal law and is expressly exempted from San Luis Obispo County's noise standards by Section 23.06.042. Land-use compatibility around the SLO County Regional Airport and Paso Robles Municipal Airport is controlled instead by the Airport Land Use Plan's CNEL contours.
San Luis Obispo Co. Code Section 23.06.042 (Aircraft-in-flight exemption)
23.06.042 Exceptions. The standards of Sections 23.06.044 through 23.06.050 do not apply to: ... traffic on public roadways, railroad line operations, aircraft in flight, where the regulation of such activities is preempted by state or federal law.
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