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Washington County, OR Fire Regulations: Fire Pits & Backyard Fires (2026)

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

Fire pit rules in Washington County, OR, also called outdoor burning, recreational fire, or open flame ordinances, cover fuel types, clearances, and when burning is allowed.

Key Facts

Max size
3 ft diameter, 2 ft height
Allowed fuel
Charcoal, propane, gas, clean dry wood
Must not be
Used for trash/debris disposal
Enforcing agency
Dept. of Health and Human Services
Local override
Fire district/state marshal bans still apply

Summary

Washington County's Air Quality Ordinance exempts recreational fires, fire pits, chimineas and patio fireplaces no larger than 3 feet across and 2 feet tall, from its year-round open-burning ban, as long as they're used for cooking or enjoyment, not disposal.

These county ordinances apply to unincorporated areas of Washington County. Incorporated cities within the county may have their own rules that take precedence over county-level regulations.

"Recreational fire" means a small outdoor fire (combustible pile no larger than three feet in diameter and two feet in height), limited to the purposes of cooking or enjoyment, or fires lit in chimineas, patio fireplaces, fire pits, or other similar devices using charcoal, natural gas, propane, manufactured firelogs, or clean dry natural firewood as fuel, and which occurs in designated areas on public lands or on private property. The fire cannot serve as a disposal fire. ... this prohibition does not apply to: 1.Recreational fires where a fire is appropriate and is not used for disposal purposes.

Source: Municode LibraryView official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Community Development Code: Supplement 2 | Code of Ordinances: Supplement 25).

Full Breakdown

O defines a recreational fire as a small outdoor fire, a combustible pile no larger than three feet in diameter and two feet in height, limited to cooking or enjoyment, or a fire lit in chimineas, patio fireplaces, fire pits, or similar devices burning charcoal, natural gas, propane, manufactured firelogs, or clean dry natural firewood. It must occur in a designated area on public or private property, and it cannot serve as a disposal fire, burning trash or debris in a fire pit isn't protected by the exemption and falls back under the open-burning ban.

C notes that even exempt recreational fires remain subject to any additional requirements or prohibitions imposed by local fire districts or the state fire marshal, so a local burn-ban day (red-flag conditions) can still shut down a backyard fire pit even though the county ordinance itself exempts it.

Violations & Fines

This exemption removes recreational fires from the county's open-burning enforcement scheme entirely, so no county penalty attaches to a compliant fire pit. A fire that exceeds the 3-by-2-foot size limit, or that's used to burn trash or yard debris, loses the exemption and is enforced as unlawful open burning: a misdemeanor punishable by a fine of not more than $500 per day under Section 8.56.070.G-H.

Frequently Asked Questions

Can I have a fire pit in unincorporated Washington County?
Yes. Section 8.56.050.B.1 exempts recreational fires from the county's open-burning ban, and Section 8.56.030.O defines that as a fire pit, chiminea, or patio fireplace no bigger than 3 feet across and 2 feet tall, used for cooking or enjoyment rather than disposal.
Can I burn yard waste in my fire pit?
No. The recreational-fire exemption applies only to fires 'not used for disposal purposes.' Burning yard debris or trash in a fire pit falls under the separate open-burning prohibition in Section 8.56.050.A and can draw a citation.
Does a red-flag or burn-ban day override the exemption?
Yes. Section 8.56.050.C states that fires otherwise exempt are still subject to the requirements and prohibitions of local fire districts and the state fire marshal, so a district-issued burn ban can suspend fire pit use even though the county ordinance exempts it.
Who enforces the fire pit rules?
The Washington County Department of Health and Human Services enforces Chapter 8.56 complaint by complaint under Section 8.56.070, investigating whether a fire qualifies as an exempt recreational fire before issuing a notice of noncompliance or citation.

Sources & Official References

Other rules in Washington County

All Washington County rules

How Washington County compares: Cities with the Strictest Fire Pit Rules·Compare Washington County to another location·View the Oregon fire regulations overview

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