1. Exemptions

    HOME IMPROVEMENT EXEMPTION: Physical improvement to a detached single family dwelling may be exempt from taxation for the three assessment years subsequent to the completion of the improvement, up to 30% of the value of the original structure; the home improvement exemption may be claimed only once in a five year period. Normal maintenance work does not qualify for this exemption. Notice must be filed prior to completion of the improvement being made on forms furnished by the Assessor. HISTORIC PROPERTY: Historic property exemption is for property which is listed in a local register of historic places created by a …


    Assessor - March 30, 2018, 9:55 a.m.


  2. Assessor

    About Contact The mission of the Lewis County Assessor's Office is to appraise all property equally and fairly, maintaining accurate assessment information for taxation purposes, while being courteous and professional to Lewis County taxpayers. more » Lewis County Assessor 351 NW North St Chehalis, WA, 98532 (360) 740-1392 Contact the Assessor News An Explanation of the Property Tax System Assessor | December 04, 2025 More Posts How Property Taxes Work Events There are no upcoming events to show at this time. Meet Ross Nielson "A lifelong Washington resident, Ross has lived in the Winlock area for over 22 years. He …


    Assessor - Jan. 23, 2019, 4:12 p.m.


  3. FAQ's

    What are noxious weeds? "Noxious weed" is the traditional, legal term for invasive, non-native plants that are highly destructive, competitive, and difficult to control or eliminate. Noxious weeds can include non-native grasses, flowering plants, shrubs, and even trees. Noxious weeds can also include aquatic plants. Many noxious weeds started out as ornamental plants that eventually escaped the garden setting, while others were accidentally introduced through human travel and trade. Regardless of how they got to Washington State, all noxious weeds pose a serious threat to our economy, agriculture, local ecosystems, and wildlife habitats. Some noxious weeds are toxic to humans …


    Weed Control - April 12, 2016, 1:22 p.m.


  4. Introducing eFile

    New to Lewis County business and farm owners! File your Lewis County Personal Property Tax Listing Online. What is efile? Electronic filing or eFile is a way to file your business or farm personal property listings over the internet. It is only available to businesses or farms with established personal property accounts in Lewis County. Why sign up for eFile? By using eFile, you can save paperwork and time. The eFile website has options to streamline data entry. It will reduce the cost of printing and mailing your annual property listing and it will validate the data you enter to …


    Assessor - April 2, 2014, 3:49 p.m.


  5. Title VI Program

    Title VI Program


    Public Works - Feb. 18, 2021, 10:32 a.m.


  6. Tools, Treasures & Treats!

    Plan to attend Tools, Treasures & Treats, the Master Recycler Composters of Lewis County's first tool and bake sale to raise money to support the new MRC Tool Bucket Library. The two-day event will run from 9 a.m. to 3 p.m. Oct. 10 and 11 at the Floral Park Sustainability Park, 103 E. Floral St., Centralia. Donated tools will be for sale as well as items baked by local volunteers. On Oct. 11, a cider press event will take place. Members of the public will be invited to bring their own apples and containers. Apples will be pressed on a …


    Solid Waste - July 18, 2025, 9:44 a.m.


  7. 2019 Budget

    2019 Adopted Budgets General Fund - ExpendituresGeneral Fund - Revenues1010 Emergency Management1030 Veterans Relief1040 Social Services1050 Law Library1060 Southwest Washington Fairgrounds1070 Communications E9111090 Drug Control1080 Treasurer's O & M1100 CD-MH-TC Mental Health Sales Tax1120 Noxious Weed Control Services1170 Roads1210 Community Development1220 Chehalis River Basin Flood Control Authority1250 Chehalis River Basin Sub Zone Dist.(River Gauge Maint.)1260 Cowlitz River Basin Sub Zone1280 Paths & Trails1300 Distressed Counties .09 Sales and Use Tax1320 E-Reet Technology1370 Crime Victim Witness1380 Dispute Resolution1450 Dispute Resolution Center1470 Dispute Resolution Court Facilitator1500 Grant Award1580 Election Reserve1590 Auditor's O & M1600 Criminal Drug Investigation Trust1900 Public Health1980 Tourism Promotion2090 …


    Budget - Oct. 11, 2018, 2:03 p.m.


  8. Issue call for bids / proposals for Claquato Church property - parcel No. 018520000000. Proposals must be received by 3 p.m. July 31.

    Please see the attached notice.


    Commissioners - July 16, 2025, 4:14 p.m.


  9. Lewis County Planning Commission

    Purpose The Planning Commission assists the Community Development department in carrying out its duties, including assistance in the preparation and execution of the comprehensive plan and the adoption of development regulations for Lewis County, Washington. The Planning Commission holds workshops and public hearings and makes recommendations to the Board of County Commissioners, whom ultimately vote to approve amendments to the County’s comprehensive plan and development regulations. Members The Planning Commission is made up of seven (7) members appointed by the Board of County Commissioners. Any resident in Lewis County can apply to serve on the Planning Commission. The Board of …


    Community Development - Jan. 26, 2024, 10:32 a.m.


  10. About Public Works

    Public Works Director: Geoff SoderquistCounty Engineer: Wesley AndersonLewis County Public Works' primary responsibilities are the maintenance and construction of the county road network and the operation of the solid waste utility. The department has seven main divisions: Administration, Engineering Services, Traffic, Maintenance & Operations, Real Estate Services, Utilities, and Solid Waste.It is the intent of the Department to enhance service by increasing our communication with the public, by developing an organizational culture that both encourages individual responsibility and fosters teamwork/cooperation, and by implementing project management techniques to help achieve our goals. The duties and responsibilities of the Public Works Department …


    Public Works - Sept. 16, 2021, 1:30 p.m.