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Gresham, OR Noise Ordinances: Decibel Limits (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Night limit
50 dBA, 10pm-7am
Day limit
60 dBA, 7am-10pm
Measured at
Neighboring noise-sensitive property
Max fine
$1,000

Summary

Gresham's noise code sets hard decibel ceilings measured at a neighboring noise-sensitive property: 50 dBA overnight from 10 p.m. to 7 a.m., and 60 dBA during the day from 7 a.m. to 10 p.m.

No person or person in charge of property shall produce or permit to be produced, with a sound producing source, sound that:

(1) When measured at or within the boundary of property on which a noise sensitive unit which is not the source of the sound is located:

(a) exceeds 50 dBA at any time between 10:00 p.m. and 7:00 a.m. the following day; or

(b) exceeds 60 dBA at any time between 7:00 a.m. and 10:00 p.m. the same day.

(2) Is plainly audible at any time between 10:00 p.m. and 7:00 a.m. the following day:

(a) within a noise sensitive unit that is not the source of the sound; or

(b) on a public right-of-way at a distance of at least 50 feet from the source of the sound.

(3) Wind Energy Systems.

(a) In addition to the applicable provisions of the Noise Control Code, the applicable limits specified in ORS Chapter 467and OAR Chapter 340, Division 35are hereby adopted as part of the Noise Control Code for all residential, commercial and industrial wind energy systems, and shall only apply to wind energy systems, and no other sound producing sources. GRC 7.20.040(1) and (2) shall not apply to wind energy systems.

(b) A wind energy system shall not produce vibration levels that exceed the

(7) 29

GRESHAM REVISED CODE

View official code

Official source re-checked September 7, 2026: the cited page had not changed since it was quoted.

Full Breakdown

GRC 7.20.040(1) bars any sound producing source from exceeding 50 dBA between 10 p.m. and 7 a.m., or 60 dBA between 7 a.m. and 10 p.m., when measured at or within the boundary of a nearby noise-sensitive property such as a home, school, church, or hospital. The limit applies regardless of the source: air conditioners, tools, loudspeakers, and musical instruments are all named as covered sound producing sources under GRC 7.20.030.

Violations & Fines

Exceeding either dBA threshold is a violation subject to a fine up to $1,000 under GRC 7.20.040(4), and the offending equipment may be seized and impounded under GRC 7.20.060(1).

Frequently Asked Questions

What's the loudest noise Gresham allows at night?
50 dBA measured at a neighboring noise-sensitive property, from 10 p.m. to 7 a.m., under GRC 7.20.040(1)(a).
Is the daytime limit different?
Yes: 60 dBA from 7 a.m. to 10 p.m., ten decibels higher than the nighttime limit.

Sources & Official References

Other rules in Gresham

All Gresham rules

Compare Gresham to another location·View the Oregon noise ordinances overview

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