Bank · FDIC insured
First Security Bank & Trust
A $538.2M bank headquartered in Charles City, IA, with 8 branches in Iowa. Best rates: savings 0.34% APY.
First Security Bank & Trust Carrot Score
65
Carrot Score
Higher than 13% of U.S. banks and credit unions
#6 of 9 in Mason City, IA metroHow the score works →
Deposits are federally insured by the FDIC up to $250,000 per depositor.
About First Security Bank & Trust
Founded in 1903 as Security Trust and Savings Bank in Charles City, Iowa, the bank consolidated with First National Bank of Charles City in 1929 to form First Security Bank & Trust.
Owned by Ralph Zastrow, E.L. Wallaser, W.A. Herbrechtsmeyer, and Merten J. Klaus since 1940, ownership is maintained by their heirs through Cedar Valley Bankshares, Inc.
The bank expanded across North Central Iowa by merging with First State Bank of Nora Springs and Riceville in 2009 and Hampton State Bank in 2015.
- Headquarters
- 809 Clark St, Charles City, IA 50616
- FDIC certificate
- 1852 ↗
Branches
8 branches in Iowa
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Iowa
8 branches
Hampton area · 2
- Drive-In Branch220 1st St Nw, Hampton, IA 50441Directions
- Old Hampton State Bank100 1st St Nw, Hampton, IA 50441Directions
Mason City area · 2
- Manly Branch3598 Orchid Ave, Manly, IA 50456Directions
- Rockwell Branch319 Main St E, Rockwell, IA 50469Directions
Charles City area · 1
- First Security Bank and Trust CompanyMain office809 Clark St, Charles City, IA 50616Directions
Nora Springs area · 1
- Nora Springs Branch26 W Congress St, Nora Springs, IA 50458Directions
Riceville area · 1
- Riceville Branch109 Woodland Ave, Riceville, IA 50466Directions
Rockford area · 1
- Rockford Branch211 W Main Ave, Rockford, IA 50468Directions
Walk-in offices from the FDIC directory as of September 4, 2026. Directions open Google Maps. A nearby branch doesn’t mean you can join or open an account.
Financial details
| Measure | This bank | Peers’ middle | Strongest quarter |
|---|---|---|---|
| CapitalLeverage ratio | 10.03% | 10.98% | 13.00% or more |
| Troubled loansNoncurrent | 0.27% | 0.42% | 0.09% or less |
| ProfitabilityReturn on assets | 0.56% | 1.24% | 1.68% or more |
| LendingLoans per $100 deposited | $74 | $81 | — |
- CapitalLeverage ratio10.03%Peers’ middle 10.98% · Top 25% 13.00%+
- Troubled loansNoncurrent0.27%Peers’ middle 0.42% · Top 25% ≤0.09%
- ProfitabilityReturn on assets0.56%Peers’ middle 1.24% · Top 25% 1.68%+
- LendingLoans per $100 deposited$74Peers’ middle $81
Compared with the 2,650 banks with $100 million to $1 billion in assets. The strongest quarter is what the best 25% of them reach: more capital and profit, fewer troubled loans. Lending has no better end.Troubled loans are noncurrent: 90 or more days late, or no longer earning interest.
Regulators’ own ratings of First Security Bank & Trust are confidential. These figures are what it reports to the FDIC each quarter, set beside its peers; they aren’t a rating.