Sign Regulations in Kennewick, WA (2026)
2 verified sign regulations for Kennewick, Washington, sourced directly from the municipal code and official government pages.
Verified from official government sources
Holiday Displays
Kennewick's outdoor lighting ordinance excludes seasonal decorations from its glare and shielding rules only while they're illuminated 60 consecutive calendar days or fewer, under KMC 18.39.050(5). Private residential lighting under 1,800 lumens is separately exempt outright with no time cap. Leave a bigger display lit past 60 days and it falls back under Chapter 18.39's standards, enforced as a Title 18 misdemeanor.
Kennewick Holiday Light Display Time Limit
Light RestrictionsKennewick Municipal Code § 18.39.050(5) (Ord. 5180 Sec. 1, 2007)
18.39.050: - Exclusions. (1)Outdoor light fixtures of all types within the City limits of Kennewick existing prior to the effective date of November 12, 1973.(2)Private residential outdoor illumination of less than 1,800 lumens.(3)Light produced directly by the combustion of natural gas or other fuels.(4)Signs in which light is produced by glass tubing filled with neon, argon, and/or krypton.(5...
Window Signs
Kennewick treats window signs as graphic signs, capping coverage at 33 percent of the window or wall area under the Sign Table, while exempting window signs from the building-permit requirement.
Kennewick Window Sign Coverage Limit
Some RestrictionsKennewick Municipal Code §§ 18.24.020(30), 18.24.030 (Sign Table A/B), 18.24.060(2)(h) (Ord. 5752 Sec. 1, 2018; Ord. 5752 Sec. 2, 2018; Ord. 5752 Sec. 5, 2018; Ord. 5180 Sec. 1, 2007)
(30)Window Sign. Window sign is a sign located on or within three feet of a window of a building, and visible from the exterior of a building. Window signs are graphic signs unless they qualify as auxiliary signs. ... Graphic-window Maximum building height 33% of applicable wall area or applicable window area ... (h)Window signs.
Looking for Benton County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Kennewick city rules.
Sign Regulations in Benton County →