Locations
Tidemark Federal Credit Union is here to serve, with branches conveniently located in Delaware and surcharge-free ATM access at our branches. We'll help you take care of your financial tasks quickly.
Member Service Center
(Send Member Mail Here -Payments etc.)
216 Washington Street
PO Box 1630
Millsboro, DE 19966
302-629-0100
IRA/Decedent Service Center (Mail IRA Direct Transfer/Rollover Requests, IRA Check Deposits, Original Death Certificates, and Decedent Documents here.)
34686 Old Postal Lane Lewes, DE 19958
302-629-0100
Branches Are Open
9:00 AM - 5:00 PM Monday Through Friday
Hours Of Operation
Monday - Friday
Lobby
9 a.m. - 5 p.m.
Drive-Thru
9 a.m. - 5 p.m.

Branch Convenient Services
Going Beyond The Norm To Serve You
We're All About Making Your Life A Little Bit Easier With These Convenient Services.Notary Services: Available at all branch locations and free to our members.
Medallion Signature Guarantee: Available in our Seaford, Delaware, office and free to members who need signature verification on a securities transfer to protect against fraud. Please call ahead at 302-629-0100 to ensure an authorized representative is available.
ATMs: Free to our members. Available at all branches*
Express Teller Machines: Our Express Teller Machines provide the same options as a live teller. Conduct self-service transactions 24/7 or connect with a teller by video during normal business hours. Avoid lines when you're conducting transactions. Service is available at your convenience.*
Coin Machines: Stop rolling coins. Let our machines count them for you. Available at all branch locations* and free to our members.
Instant-Issue Debit and Credit Cards: Visit us and get a new card within minutes. Available at all branch locations
Holiday Hours
| HOLIDAY | DATE |
|---|---|
| New Year’s Day | Wednesday, January 1st |
| Birthday of Martin Luther King, Jr. | Wednesday, January 20th |
| Washington’s Birthday | Monday, February 17th |
| Memorial Day | Monday, May 26th |
| Juneteenth | Thursday, June 19th |
| Independence Day | Friday, July 4th |
| Labor Day | Monday, September 1st |
| Columbus Day | Monday, October 13th |
| Veterans Day | Tuesday, November 11th |
| Thanksgiving Day | Thursday, November 27th |
| Christmas Day Observed | Wednesday, December 25th |
Savings Goals Within Reach:
Discover Our Best Local Rates
Plus, You Get Access to Our Member Premium Benefits

You Become a Member-Owner
We don't exist to enhance the wealth of our shareholders, we are member-owned. As a not-for-profit organization, we use our profits to increase Member benefits and support community causes.

Your Money is Insured & Protected
Instead of being covered under FDIC, your deposits are covered under the National Credit Union Administration (NCUA), which insures deposits up to $250,000, the same amount as the FDIC. It’s a different name but the same function.









