Noise from Specific Sources in Clackamas County, OR (2026)

2 rules for unincorporated Clackamas County, Oregon.

Verified from official government sources

Note: These county rules apply to unincorporated areas of Clackamas County. If you live within an incorporated city, that city's own rules apply: see the city list below.

Car Alarm Limits

Sounding a car alarm, or any other emergency signaling device, outdoors in unincorporated Clackamas County is a per se noise violation unless there is an actual emergency, under Code 6.05.040(B)(4). The rule covers fire, burglar and civil defense alarms alongside car alarms, and pairs with the County's separate Alarm Permit Chapter 8.07 governing alarm systems generally.

Car Alarm Noise Rules in Clackamas County

Some Restrictions

Clackamas County Code § 6.05.040(B)(4)

4. Emergency Signaling Devices: The intentional sounding or permitting the sounding outdoors of any emergency signaling device including fire, burglar, civil defense alarm, car alarm, siren, whistle, or similar emergency signaling device, except in an emergency. 5. Radios, Televisions, Stereos, Musical Instruments and Similar Devices: The use or operation of a radio, television, stereo, musi...

Full ordinance details →Official source ↗

Generator Noise

Clackamas County's Noise Control chapter names generators among the sound sources it regulates and caps any sound source at 50 dBA between 10 p.m. and 7 a.m. and 60 dBA during the day (Code 6.05.040(A)). A separate clause bars any noise-creating internal combustion engine, which covers most portable and standby generators, from running loudly enough to disturb dwellings overnight.

Generator Noise Limits in Clackamas County

Some Restrictions

Clackamas County Code 6.05.040(A), (B)(12); 6.05.020(L)(9)

A. It shall be a per se violation of this chapter for any person to produce or permit to be produced, from a sound source either owned and operated by them or under their control, sound which exceeds: 1. 50 dBA at any time between 10 p.m. and 7 a.m. the following day; or 2. 60 dBA at any time between 7 a.m. and 10 p.m. ... 9. Heat pumps, air conditioning units, generators, blowers and refrigera...

Full ordinance details →Official source ↗

All Clackamas County ordinances

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