Walla Walla County, WA Parking Rules: Overnight Parking (2026)
Key Facts
- Overnight ban hours
- 9:00 p.m. to 7:00 a.m.
- Where it applies
- Rooks Park lot and Reservoir Road
- Reservoir Road daytime limit
- 2-hour limit
- First offense fine
- up to $20
- Second offense fine
- up to $50
- Enforcing agency
- Walla Walla County Sheriff's deputies
- Prerequisite for enforcement
- Signs must be posted first
Summary
Unincorporated Walla Walla County bans overnight parking from 9:00 p.m. to 7:00 a.m. at two signed locations: the designated lot 225 feet north of the Rooks Park entrance and the north side of Reservoir Road next to the Mill Creek Flood Control Zone District. Reservoir Road also carries a daytime two-hour limit. The Sheriff's Office issues civil infractions under WWCC 10.08.030 for violations.
A.The following roadways and road rights-of-way are restricted as follows: 1. Rooks Park Road and Rooks Park Road right-of-way No parking anytime, except for within the designated parking area 225 feet north of the entrance to Rooks Park on west side of road. In designated parking section: No parking is allowed between 9:00 p.m. and 7:00 a.m. ... ... 3. Reservoir Road on right-of-way abutting Mill Creek Flood Control Zone District property North side of road: Two-hour limit. No parking is allowed between 9:00 p.m. and 7:00 a.m.
Full Breakdown
Chapter 10.08 of the Walla Walla County Code, 'Parking on County Roadways or Road Rights-of-Way,' lets the County Engineer designate and sign no-parking zones under WWCC 10.08.020 when parking would create a hazard or interfere with traffic, and WWCC 10.08.022 lists the specific roadways where overnight parking is restricted. At Rooks Park Road, parking is prohibited at all times except inside the marked area 225 feet north of the park entrance on the west side of the road; even inside that designated area, no vehicle may park between 9:00 p.m. and 7:00 a.m.
On Reservoir Road, along the right-of-way abutting the Mill Creek Flood Control Zone District property, the north side carries a two-hour daytime limit plus the same 9:00 p.m. to 7:00 a.m. overnight ban. A third restriction bars all parking on the west side of S. 4th Avenue between Cushing and Tietan Streets, a 24-hour ban with no separate overnight hours. Under WWCC 10.08.020(C), none of these restrictions take legal effect until the county has actually erected the required signs at the site; a citation issued where no sign exists is not enforceable.
The Walla Walla County Sheriff and Sheriff's deputies write the civil infractions, and a vehicle left overnight in violation can also be towed and impounded by a law enforcement officer under RCW 46.55.085, with the impound procedure itself governed by WWCC Chapter 10.34. These three roadway segments are the only ones singled out for time-restricted or overnight parking in the unincorporated county; other county roads remain open to overnight parking unless separately posted.
Violations & Fines
Parking in a signed overnight zone is a civil infraction: WWCC 10.08.030 sets the fine at up to $20 for a first offense and up to $50 for a second offense, issued by the Sheriff's Office. Vehicles left parked during the 9:00 p.m. to 7:00 a.m. window at Rooks Park or Reservoir Road may also be towed and impounded at the owner's expense under RCW 46.55.085 and WWCC Chapter 10.34.
Frequently Asked Questions
Where in unincorporated Walla Walla County is overnight parking banned?
What happens if I get an overnight parking ticket in Walla Walla County?
Does the overnight rule apply if there's no sign posted?
Sources & Official References
Other rules in Walla Walla County
How Walla Walla County compares: Cities with the Strictest Overnight Parking Rules·Compare Walla Walla County to another location·View the Washington parking rules overview
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