CAS Office Relocation Notice

Effective July 1, 2026, the Casualty Actuarial Society (CAS) will relocate its headquarters office to a new location in Arlington, Virginia.

New Address

Casualty Actuarial Society
4250 North Fairfax Drive, Suite 650
Arlington, VA 22203-2091

Previous Address

4350 North Fairfax Drive, Suite 250
Arlington, VA 22203

Our phone number and email addresses will not change.

We kindly ask members, partners, vendors, and other stakeholders to update their records with our new address.

If you are mailing correspondence, invoices, payments, or other materials to the CAS, please use the new address beginning July 1, 2026.