Hillsboro, OR Noise Ordinances: Construction Hours (2026)
Construction hours in Hillsboro, OR, sometimes called construction noise rules or contractor work-hour ordinances, set when contractors can run power tools, hammers, and heavy equipment.
Key Facts
- Weekday window
- 6 a.m. to 9 p.m.
- Weekend window
- 8 a.m. to 6 p.m.
- Covers
- saws, mowers, edgers, similar tools
- Excludes
- vehicle-repair tools
- Governing law
- HMC § 6.24.050(H)
Summary
Portable construction and lawn tools, saws, mowers, edgers, are exempt from Hillsboro's noise limits only between 6 a.m. and 9 p.m. on weekdays and 8 a.m. and 6 p.m. on weekends; using them outside those windows exposes the noise to the standard limits.
Sounds caused by air-, electric- or gas-driven domestic tools, including lawn mowers and edgers, radial arm, circular and table saws, and other similar lawn or construction tools, excluding tools used for vehicle repair, between 6:00 a.m. and 9:00 p.m., Monday through Friday and between 8:00 a.m. and 6:00 p.m., Saturday and Sunday;I.Sounds caused by chainsaws, when used for pruning, trimming or cutting of live trees or private wood cutting, between 8:00 a.m. and 6:00 p.m., and not exceeding 2 hours in any 24-hour period; andJ.Sounds caused by non-amplified human voices. (Ord. 6464, § 1, 2023)
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Municipal Code: Supplement 1 | Community Development Code: Supplement 1).
Full Breakdown
HMC 6.24.050(H) exempts sounds from air-, electric- or gas-driven domestic tools, including lawn mowers, edgers, and radial arm, circular and table saws used for lawn or construction work, from the general noise limits, but only between 6:00 a.m. and 9:00 p.m. Monday through Friday, and between 8:00 a.m. and 6:00 p.m. on Saturday and Sunday. Tools used for vehicle repair are excluded from this exception entirely. Run a covered tool outside those hours and it is measured against the standard Table 6.24.030-A decibel limits like any other noise source.
Violations & Fines
Operating exempt construction or lawn tools outside the 6 a.m.-9 p.m. weekday or 8 a.m.-6 p.m. weekend windows strips the exemption under HMC 6.24.050(H), exposing the noise to the standard dBA limits.
Frequently Asked Questions
When can I use a circular saw or lawn mower in Hillsboro?
Does the tool exemption cover vehicle repair equipment?
Sources & Official References
Other rules in Hillsboro
How Hillsboro compares: Cities with the Strictest Construction Hours·Compare Hillsboro to another location·View the Oregon noise ordinances overview
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Construction Hours in Nearby Cities
How other cities in Washington County handle construction hours.