BranchWatch

Credit unions · Delaware

Tidemark

NCUA-insuredfederal charterlow-income designated

Headquartered in Seaford, Delaware. Chartered in 1959. Charter number 13121.

Total assets
$471M
Members
22,105
Shares & deposits
$407M
Net worth ratio
14.13%
net worth / assets

Locations (7)

Tidemark Federal Credit Unionmain officeCorporate Office

1941 Bridgeville Hwy, Seaford, DE 19973 map

3026290100

8-5

Tidemark Federal Credit UnionBranch Office

140 Aerenson Dr, Milford, DE 19963 map

3026290100ATMDrive-throughMember services

9 a.m. to 5 p.m.

Tidemark Federal Credit UnionBranch Office

24940 John J Williams Hwy, Millsboro, DE 19966 map

3026290100ATMDrive-throughMember services

9 am to 5 pm

Tidemark Federal Credit UnionBranch Office

36445 Lighthouse Rd, Selbyville, DE 19975 map

3026290100ATMDrive-throughMember services

9 am to 5 pm

Tidemark Federal Credit UnionBranch Office

1305 S Salisbury Blvd, Salisbury, MD 21801 map

3026290100Member services

9 am to 5 pm

Tidemark Federal Credit UnionBranch Office

34686 Old Postal Ln, Lewes, DE 19958 map

3026290100ATMDrive-throughMember services

9 am to 5 pm

Tidemark Federal Credit UnionBranch Office

216 S Washington St, Millsboro, DE 19966 map

3026290100ATMDrive-throughMember services

9 am to 5 pm

States served

  • Delaware (6)
  • Maryland (1)

Transcribed from NCUA call-report data (cycle 2026-03). Phone numbers and hours are as reported to the NCUA and can lag reality — verify before visiting. Share deposits are NCUA-insured up to $250,000 per member.