Use this TRANSMITTAL FORM to Attach and Submit your 
 2023 New Petition 
(completed/signed with handwritten signature)
with a copy of your "Official Property Value Change Notice"
to the Thurston County Board of Equalization
All documents, including any other supporting evidence, must be in PDF read-only format. Upload Petition and Value Notice at the bottom of this form. Photos of Petitions are not preferred, though photo PDF's of the value notice are acceptable.
COMBINE your documents in the following order into 1 PDF document as there is a limit of only 2 attachments allowed:
    - Petition (Petition form found on BOE website; Do not include the copy of instructions attached to Petition). 
    - value notice (only need the top/front of notice with name, parcel information and values)
    - additional evidence in the order you want the Board to review it (such as: sales comparables, appraisals, market studies, photos, narrative information, etc.). Write titles/headings or notes on the documents themselves as the Board members will not see the names of your electronic documents.
*Double-check ALL the required fields have been properly completed, and include a handwritten signature. Submit one Petition per transmittal form. You MUST have a separate Petition form for each appealed parcel. (Petition form found at: Example *
- *Notice received from the Assessor's Office with a deadline date printed in red. For each parcel you are appealing, you MUST include a copy of the top/front of the value notice. Contact the Assessor's Office for a copy if needed, 360-867-2200. Example of Value Notice *
Parcel Number (This is an 11-digit number found on your value notice. Can also be found at Thurston County Assessor Property Search)
If you are unable to upload your Petition in PDF format, please do NOT submit this form, and do NOT attempt to submit documents by any other electronic means.  Instead, choose one of the alternate filing options provided at the bottom of this form.
ATTENTION: Before uploading your PDFs, make sure your Petition is complete with all the required sections properly filled in, including a handwritten signature. Do NOT forget a copy of your value notice. 
Complete appeals will be given processing priority. Incomplete appeals cannot be considered by the Board per RCW 84.40.038, and may be dismissed.
NOTE: Merely submitting your value notice and/or a letter or statement that you wish to appeal does not constitute a valid appeal. If you do not submit a properly completed PETITION with your Value Notice, you do NOT have a valid appeal.

For more information email the BOE Clerk, Ruth Elder at


Mail the completed original hard copy via US Postal Service, send by Fed Ex or UPS, or deliver in person (placing in our drop box if the office is closed):
   Thurston County Board of Equalization
   3000 Pacific Avenue SE
   Olympia WA 98501