Liberty Mutual Loss Run Request

Everything you need to request loss runs from Liberty Mutual — contact details, required information, and a pre-filled letter generator.

Request Method

EmailFax

Email

VERIFY@libertymutual.com

Required Information

  • Policy number
  • Named insured
  • Policy period

Accepted Formats

Free-form letter, ACORD form

Typical Turnaround

5-7 business days

Notes

Commercial and specialty lines have separate claims contacts. Confirm your line of business is routed correctly.

Last verified: 2026-04-10

Generate a Liberty Mutual Loss Run Request Letter

Lines of Business *

Select at least one line of business.

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