Walla Walla County, WA Property Maintenance: Vacant Lot Maintenance (2026)
Key Facts
- Maximum average height
- 12 inches, visible from road or neighbors
- 2+ acre alternative
- mow a fire/rodent barrier instead
- First offense fine
- $75.00 civil infraction
- Subsequent offense fine
- $250.00 each
- Right-of-way weeds
- separately banned if a sight/fire hazard
- Enforcing agencies
- Sheriff, Community Development
Summary
A vacant lot in unincorporated Walla Walla County must keep grasses and weeds to an average height of twelve inches wherever it is visible from adjacent roads or properties, under Walla Walla County Code Section 8.24.010(B)(5)(b). Owners of vacant parcels two acres or larger can instead mow a fire and rodent barrier around the property to comply.
b.Grasses or weeds not maintained to an average height of twelve inches on any property visible by ordinary view from adjacent roads or properties if the property is a vacant lot; provided, that vacant properties with an area of two or more acres may comply with this requirement by mowing an adequate fire/rodent barrier around the property
Full Breakdown
Section 8.24.010(B)(5)(b) applies the county's weed-height nuisance rule to vacant lots on property zoned in any urban classification under Title 17: grasses or weeds must not average more than twelve inches where visible by ordinary view from adjacent roads or properties. The subsection gives vacant-lot owners with two or more acres an alternative path to compliance, letting them mow an adequate fire and rodent barrier around the property instead of clearing the whole parcel. The rule sits alongside (B)(5)(c), which independently bans uncontrolled or uncultivated weeds and brush within the road right-of-way that create a sight hazard or that a county fire marshal or fire district chief declares a fire hazard, and (B)(5)(d), which exempts vegetation grown for agricultural purposes entirely.
A related zoning provision, Chapter 17.36 on nonconforming uses, governs how a vacant lot's development rights are treated separately from this maintenance rule and does not alter the weed standard itself. Enforcement of the vacant-lot weed rule tracks the rest of Section 8.24.010: violations are civil infractions under Section 8.24.020(B), notices can be issued by the Sheriff, the public health administrator, or the Community Development director, and each day of noncompliance can be charged separately. Fire-hazard-declared overgrowth instead becomes a misdemeanor under RCW 9A.20.021 per Section 8.24.020(A), and repeat or large-scale violators who ignore a Chapter 14.13 notice commit a gross misdemeanor under Section 14.13.100.
Violations & Fines
A first violation of the vacant-lot weed rule is a $75.00 civil infraction under Section 8.24.020(B); each subsequent offense is $250.00, with each day of overgrowth potentially a separate violation. Weeds declared a fire hazard by the county fire marshal or a fire district chief instead become a misdemeanor under RCW 9A.20.021, and ignoring a Chapter 14.13 enforcement notice is a gross misdemeanor under Section 14.13.100.
Frequently Asked Questions
Do vacant lots have to be mowed in unincorporated Walla Walla County?
Is there an exception for large vacant parcels?
What if weeds on my vacant lot spill into the road right-of-way?
What's the penalty for an overgrown vacant lot?
Sources & Official References
Other rules in Walla Walla County
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