Noise Ordinances in Bostonia, CA (2026)
6 verified noise ordinances for Bostonia, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Quiet Hours
Bostonia is an unincorporated community, so its noise rules are San Diego County's. In most residential zones the one-hour average sound limit at your property line is 50 dBA daytime (7 a.m.-10 p.m.) and 45 dBA at night (10 p.m.-7 a.m.), so nighttime is the effective quiet period.
Quiet Hours in Bostonia (Unincorporated San Diego County)
Some RestrictionsSan Diego County Code § 36.404(a)
Except as provided in section 36.409 of this chapter, it shall be unlawful for any person to cause or allow the creation of any noise, which exceeds the one-hour average sound level limits in Table 36.404, when the one-hour average sound level is measured at the property line of the property on which the noise is produced or at any location on a property that is receiving the noise.
Construction Hours
Under San Diego County Code Section 36.408, which governs unincorporated Bostonia, it is unlawful to operate construction equipment between 7 p.m. and 7 a.m., or on Sundays and listed holidays, except for emergency work. Homeowners may do their own construction on a Sunday or holiday only between 10 a.m. and
Construction Hours in Bostonia (San Diego County Rules)
Significant RestrictionsSan Diego County Code § 36.408
Except for emergency work, it shall be unlawful for any person to operate or cause to be operated, construction equipment: (a) Between 7 p.m. and 7 a.m. (b) On a Sunday or a holiday.
Barking Dogs
San Diego County Code Section 36.414(c)(6), which applies in unincorporated Bostonia, makes it unlawful to keep an animal whose frequent or long-continued noise annoys or discomforts a neighbor of normal sensitivity. Written statements from two people at separate residences are prima facie evidence of a violation.
Barking Dog Noise Rules in Bostonia (San Diego County)
Heavy RestrictionsSan Diego County Code § 36.414(c)(6)
Owning, possessing or harboring an animal which by any frequent or long continued noise causes annoyance or discomfort to a person of normal sensitivity in the vicinity. The written affirmation by two persons having separate residences that an animal has caused frequent or long continued noise, that has caused them annoyance or discomfort shall be prima facie evidence of a violation of this sec...
Amplified Music & Outdoor Sound
Outdoor music at Bostonia homes and events falls under San Diego County's noise rules. It must stay within the Section 36.404 property-line limits (50 dBA day / 45 dBA night in most residential zones) and not become 'disturbing, excessive or offensive' under Section 36.414, which bars sound plainly audible 50
Outdoor Music and Party Noise in Bostonia (San Diego County)
Some RestrictionsSan Diego County Code § 36.414(c)(3)
It shall be a prima facie violation of section 36.414(c)(2)(A) if a device for the production or reproduction of sound that is being operated, used or played is plainly audible at a distance of 50 feet or more from the building, structure or vehicle in which it is located.
Decibel Limits
In unincorporated Bostonia, San Diego County Code Table 36.404 caps industrial noise at 70 dBA anytime for light-industrial zones (M50, M52, M54) and 75 dBA anytime for heavy-industrial and extractive zones (S82, M56, M58). Extractive industries are held to 75 dBA at the property line regardless of zone.
Industrial Noise Limits in Bostonia (San Diego County)
Some RestrictionsSan Diego County Code § 36.404(e)
The one-hour average sound level limit applicable to extractive industries, however, including but not limited to borrow pits and mines, shall be 75 decibels at the property line regardless of the zone in which the extractive industry is located.
Vehicle Noise
San Diego County Code Section 36.414(c)(8), governing unincorporated Bostonia, makes it unlawful to knowingly use a motor vehicle to produce annoying noise by backfiring, screeching tires, running without a muffler, or altering the muffler. Section 36.414(c)(1) also limits unnecessary horn use.
Vehicle Noise Rules in Bostonia (San Diego County)
Heavy RestrictionsSan Diego County Code § 36.414(c)(8)
Using or allowing the use of a motor vehicle to knowingly produce a noise that causes annoyance or discomfort to a person of normal sensitivity in the vicinity of the noise by backfiring the engine, screeching the tires, operating without a muffler, altering the muffler or any other action that causes a disturbing, excessive or offensive noise.
Looking for San Diego County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Bostonia city rules.
Noise Ordinances in San Diego County →