Data Breach Notifications

Entity Information

  • Type of Organization: Other Government Entity
  • Entity Name: Pierce County Library System
  • Street Address: 3005 112th Street East
  • City: Tacoma
  • State, or Country if outside the US: WA
  • Zip Code: 98446

Submitted By

  • Name: Gretchen Caserotti
  • Title: Executive Director
  • Firm name (if different than entity):
  • Telephone Number: (253) 548-3421
  • Email Address: director@piercecountylibrary.org
  • Relationship to entity whose information was compromised: Employee

Breach Information

  • Total number of persons affected (including residents): 340101
  • Total number of Maine residents affected: 6
  • If the number of Maine residents exceeds 1,000, have the consumer reporting agencies been notified:
  • Date(s) Breach Occured: 04/15/2025
  • Date Breach Discovered: 10-10-2025
  • Description of the Breach:
    • External system breach (hacking)
  • Information Acquired - Name or other personal identifier in combination with:

Notification and Protection Services

  • Type of Notification: Written
  • Date(s) of consumer notification: 12/09/2025
  • Copy of notice to affected Maine residents: Pierce_County_Library_System_-_Notice_of_Data_Event_-_ME.pdf
  • Date of any previous (within 12 months) breach notifications:
  • Were identity theft protection services offered: Yes
  • If yes, please provide the duration, the provider of the service and a brief description of the service: 12 months, IDX, Credit monitoring and identity theft protection services