Total Assets
$468.5M
Total Deposits
$405.0M
Branches
7
Established
1959
TIDEMARK is a credit union headquartered in Seaford, Delaware, established in 1959. It holds $468.5M in total assets across 7 branch locations. In our editorial opinion, based on public FDIC/NCUA data, TIDEMARK earns a TFS Financial Health Grade of C+ (71.6/100) — our editorial assessment, not an official rating or financial advice.
TFS Health Grade
71.6 / 100
Average financial health
How we gradeTFS Health Grades are our editorial opinion based on public FDIC/NCUA data — not an official rating, not financial advice.
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Financial data through June 30, 2026. Updated by TFS September 26, 2026. Data sourced from NCUA Call Reports as of 2026-Q2. This data is provided by the federal government and is believed to be accurate, but TheFinanceSection.com cannot guarantee its completeness or timeliness.
Data sourced from CFPB Consumer Complaint Database. This data is provided by the federal government and is believed to be accurate, but TheFinanceSection.com cannot guarantee its completeness or timeliness.
| Branch | Address | City | State | Type |
|---|---|---|---|---|
| Tidemark Federal Credit UnionHQ | 1941 Bridgeville Hwy | Seaford | DE | Full Service |
| Tidemark Federal Credit Union | 34686 Old Postal Ln | Lewes | DE | Full Service |
| Tidemark Federal Credit Union | 140 Aerenson Dr | Milford | DE | Full Service |
| Tidemark Federal Credit Union | 216 S Washington St | Millsboro | DE | Full Service |
| Tidemark Federal Credit Union | 24940 John J Williams Hwy | Millsboro | DE | Full Service |
| Tidemark Federal Credit Union | 36445 Lighthouse Rd | Selbyville | DE | Full Service |
| Tidemark Federal Credit Union | 1305 S Salisbury Blvd | Salisbury | MD | Full Service |
Data sourced from FDIC BankFind Suite. This data is provided by the federal government and is believed to be accurate, but TheFinanceSection.com cannot guarantee its completeness or timeliness.
Data sourced from FDIC and OCC enforcement records; NCUA catalog monitored. This data is provided by the federal government and is believed to be accurate, but TheFinanceSection.com cannot guarantee its completeness or timeliness.
TFS Financial Health Grades represent our editorial assessment based on publicly available data and our proprietary methodology. They do not represent financial advice or an official government rating. Data on this page is sourced from federal government databases and is believed to be accurate.
Benchmarked against 60 active, federally insured credit unions reporting in the same quarter and holding roughly 0.5×–2× its assets. Same-state and overlapping-market peers are prioritized.
TFS health score
71.6
Net worth ratio
14.37%
Return on assets
0.51%
60+ day delinquency
0.33%
Suggested direct comparisons
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Complaint percentiles are intentionally withheld while TFS audits CFPB company matching and import coverage. Peer conclusions use complete same-quarter regulatory metrics only.