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Thurston County, Washington

The content on the Thurston County website is currently provided in English. We are providing the “Translation” for approximately 10 languages. The goal of the translation is to provide visitors with limited English proficiency to access information on the website in other languages. The translations do not translate all types of documents, and it may not give you an exact translation all the time. The translations are made through an automated process, which may not result in accurate or precise translations, particularly of technical and legal terminology.

Public Works

Public Works is responsible for planning, constructing, and maintaining county roads, bridges, parks, trails, and other vital infrastructure. We make a difference every day by working to sustain neighborhoods, protect natural resources and enhance the local economy.

Plows at Thurston County Public Works

Our Mission

To provide excellent public services in all areas of our business.

Our Vision

The premier public works organization, accountable and transparent in all services we provide to our community.

Our Core Values

Accountability | Customer Service | Innovation | Safety | Teamwork

What We Do


We plan and construct projects that meet the needs of our communities and work to keep up with the impact our growing population has on our infrastructure. We also work with developers and property owners to ensure new structures are built to last.

Garbage & Recycling

We operate the only solid waste disposal facilities in Thurston County and provide essential tools for waste reduction to our communities.

Parks & Trails

We ensure our communities have well-kept parks and trails and protect open spaces for future generations to enjoy.

Road Operations

Paved roads comprise the most significant part of Thurston County’s transportation system. Our work is crucial to maintaining the investment we have made in our roads.

Water Resources

We manage stormwater runoff, mitigate flooding, and provide clean drinking water and sewage treatment for a cleaner, healthier environment. We help manage noxious weeds and facilitate healthy lake programs.

Related News

All News
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Thurston County Public Works announces a temporary road closure on Waddell Creek Rd SW, from 90th Ln SW to 86th Ln SW, starting June 3, 2024, and continuing until June 30, 2024. The closure is necessary for culvert replacements essential to ensuring the long-term usability of the roadway.

May 20, 2024

Announcements, Closures, Construction
Thurston County Full Color Logo

Thurston County Public Works has temporarily closed the book donation bins at its drop-box facilities in Rainier and Rochester, and the Waste and Recovery Center (WARC) in Lacey.

April 16, 2024

Announcements, Closures
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Thurston County Public Works Department is alerting the public about expected traffic delays on Mullen Road SE, between Early Spring Drive SE and Afflerbaugh Drive SE, starting March 11, 2024, and continuing until May 13, 2024.

March 05, 2024

Related News

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This season, residents can take advantage of various free tree collection and drop-off opportunities available throughout the county. To prepare your natural tree for recycling, please remove all ornaments, lights, stands, nails, and tinsel before drop-off. Flocked trees are accepted. Search “Christmas tree” in the online directory at for program details.

December 19, 2023

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The Thurston County Waste and Recovery Center (WARC) in Lacey has suspended its used cooking oil collection service at HazoHouse.

October 20, 2023

Announcements, Closures
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Thurston County is partnering with Republic Services on a new operations, maintenance, transport, and waste disposal contract beginning today, May 1, 2023.

May 01, 2023


Public Works

Thurston County Public Works

9605 Tilley Road South
Olympia, WA 98512
Monday–Friday: 8:00 am–5:00 pm

Thurston County Waste & Recovery Center (WARC)

2420 Hogum Bay Rd NE
Olympia, WA 98516
Sunday: 8:00 am–4:45 pm
Monday–Friday: 7:00 am–4:45 pm
Saturday: 8:00 am–4:45 pm


2420 Hogum Bay Rd NE
Olympia, WA 98516
Sunday–Saturday: 8:00 am–4:45 pm

Rainier Drop-Box Facility

13010 Rainier Acres Rd. SE
Rainier, WA 98576
Sunday: 9:00 am–5:00 pm
Friday–Saturday: 9:00 am–5:00 pm

Rochester Drop-Box Facility

16500 Sargent Rd
Rochester, WA 98579
Sunday: 9:00 am–5:00 pm
Tuesday: 9:00 am–5:00 pm
Saturday: 9:00 am–5:00 pm