Imperial County, CA Short-Term Rentals: Noise Rules (2026)

Imperial County's Title 9 Land Use Ordinance does not set a decibel-based noise limit or a short-term-rental quiet-hours rule, because there is no dedicated vacation-rental ordinance. Noise is instead addressed through general nuisance language and the zoning code's emphasis on protecting residential character. The Land Use Ordinance describes residential zones as intended for quiet residential living environments, and several use standards prohibit activities that produce significant levels of noise or vibration beyond the perimeter of the site or the confines of the building. The home-occupation standards likewise bar a home use from creating noise, dust, vibration, or other nuisances to any greater extent than normal residential activity (§ 90404). Conditions that rise to a public nuisance — including disruptive noise — can be abated by the County, and Building & Grading Regulations (Division 10) treat conditions that are a menace to health or a nuisance as enforceable. Loud parties and late-night disturbances are also subject to state and county disturbance-of-the-peace enforcement by the Imperial County Sheriff. For a lodging use that operates under a Conditional Use Permit, the County can impose specific noise and operating-hour conditions through that discretionary review. Hosts in tourism areas such as the Salton Sea, Slab City/Niland, and near the Imperial Sand Dunes should set firm quiet expectations for guests, since chronic noise complaints can lead to nuisance abatement or, where a permit exists, revocation.