Click to Home
Go To Search
Emergency Alert
Columbia County
341 E. Main St.
Dayton, WA 99328

Public Works
Charles Eaton
Public Works Director/County Engineer

Amber Phinney
Business Manager

415 Guernsey
PO Box 5
Dayton, WA  99328

Ph: (509) 382-2534
Fx: (509) 382-4724

Winter Hours
Monday - Friday
7:00 am - 3:30 pm
(closed noon to 12:30 pm)
Summer Hours 4/1/2019
Monday - Thursday
6:00 am - 4:30 pm
(closed noon to 12:30 pm)

This information is provided as a courtesy, actual documents are on file at the Columbia County Public Works office.    

To be added to our Small Works Roster please complete the form at the link below and return to the Public Works Department.  Please note: All small works contractors must be aware of Washington State prevailing wage laws.

Small Works Roster Application
Small Works Roster Application part 2 required

Current Road Closures: 
Winter Road Closures Click Here

Current roads with load restrictions
Hatley Gulch

ORV Resolution 2010-12
ORV use on Columbia County Roads - click on this link

Addressing and Right of Way Permits
Addressing Permit link here

Right of Way Permit link here

2019 County Road Operations Fee Schedule Click Here


Home Contact Us Sitemap Accessibility Copyright Notice Powered by CivicPlus