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King County, WA Public Conduct: Outdoor Smoking Restrictions (2026)

Heavy Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified August 2026

Key Facts

Governing section
K.C.C. 28.96.010.B.1.a
Covers
Transit vehicles, bus shelters, park-and-rides
Includes
E-cigarettes and vaping devices
Penalty
Up to $1,000 fine, 90 days jail
Scope
Countywide Metro property, not city parks

Summary

Smoking, including e-cigarettes, is banned on all King County Metro transit vehicles, bus shelters and transit property: a misdemeanor punishable by up to $1,000 and 90 days in jail.

City-specific rules exist: Auburn, Federal Way, Kent, Kirkland, and Seattle have their own outdoor smoking restrictions rules that differ from King County's county-level regulations. If you live in one of those cities, check the city-specific page instead.

...a person who commits one of the following acts in, on or in relation to transit property is guilty of a misdemeanor: 1.a. Smoking or carrying a lighted or smoldering pipe, cigar, cigarette or using an electronic smoking devices, while on or in a transit vehicle or while in or at a bus shelter or transit property or properties.

Source: Revised Code of WashingtonView official code

Full Breakdown

King County Code section 28.96.010.B.1.a bans smoking - including lighted pipes, cigars, cigarettes and electronic smoking devices - on any transit vehicle or while in or at a bus shelter or other transit property, defined as any passenger facility, stop, shelter, bus zone or right-of-way the Metro Transit Department owns, leases, holds or uses. Violating it is a misdemeanor under section 28.96.450, carrying up to a $1,000 fine and 90 days in county jail. This applies countywide wherever Metro operates, not just unincorporated areas; the code's only other 'Smoking' chapter, 12.50, restricts smoking in county workplaces only, not general outdoor public places or parks.

Violations & Fines

Smoking on a bus, at a bus shelter, park-and-ride or other Metro transit property is a misdemeanor: up to a $1,000 fine, 90 days in county jail, or both, under K.C.C. 28.96.450.

Frequently Asked Questions

Does King County ban smoking in parks or on restaurant patios?
No standalone outdoor public-place smoking ban for parks or patios exists in the county code; the only smoking-specific chapters cover county workplaces (12.50) and Metro transit property (28.96.010).
Is vaping banned on King County transit property?
Yes. K.C.C. 28.96.010.B.1.a defines 'electronic smoking device' to include e-cigarettes, e-cigars and e-hookahs, and bans their use on transit vehicles, bus shelters and other transit property.

Sources & Official References

Other rules in King County

All King County rules

Compare King County to another location·View the Washington public conduct overview

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Outdoor Smoking Restrictions in Cities Across King County