Contact Information

Local Office:
Mass Mutual Retirement Services
1255 Treat Boulevard, Suite 300
Walnut Creek, CA  94597
Toll Free:  (888) 435-9670
Direct:  (860) 835-8092
Fax:  (925) 977-9098

Kerry Avilla, Retirement Education Specialist (866) 617-7901
Appointments, enrollment, investments, pre retirement catch up, rollovers

Helen Lai, Relationship Management Specialist (888) 435-9670
Note that withdrawals and rollovers will no longer come to Walnut Creek Office.  Participants will call the Participant Information Center (PIC) 800-743-5274 for the Retirement Services Group.

Account Access
Participant Information Center
1-800-743-5274
Login to Website
More information on account access for RetireSmart.com

Loan Repayment Transmittals
Submit Transmittal Form along with your bank check or money order payable to SSB&T as Trustee for Contra Costa County Deferred Compensation Plan.  PERSONAL CHECKS WILL NOT BE ACCEPTED.

Mail Transmittal form with your check(s) to:
MassMutual Retirement Services
P. O. Box 219062
Kansas City, MO  64121-9062
For overnight mail:
MassMutual Retirement Services
430 W 7th Street
Kansas City, MO  64105