South Ottumwa Savings Bank
Ottumwa, IA · Owner: Cornerstone Finl Services Group
$565M
total assets, June 30, 2026
$565M
total assets, June 30, 2026
South Ottumwa Savings Bank is a state nonmember bank based in Ottumwa, IA, owned by Cornerstone Finl Services Group. As of June 30, 2026 it held $565.4 million in assets and $473.9 million in deposits; assets were up 7.5% from a year before. It has 6 branches.
Updated Oct 11, 2026 · numbers as of June 30, 2026
Total assets
$565M
+7.5% in a year · +5.5% in a quarter
Deposits
$474M
+7.5% in a year · +6.3% in a quarter
Loans
$324M
0.0% in a year · -0.9% in a quarter
Profit so far
$3.8M
Jan 1 to Jun 30, 2026 · +18.3% in a year
Capital ratio
13.00%
+0.62 pts in a year
Return on assets
1.40%
+0.21 pts in a year
Facts
- Type
- State nonmember bank
- Head office
- 320 Church St, Ottumwa, IA, 52501
- County
- Wapello
- Holding company
- Cornerstone Finl Services Group
- Established
- Jan 1, 1903
- Employees
- 70
- Branches
- 6
- Website
- www.sosb-ia.com
- Id
- b9099
Quarter by quarter
March 31, 1984 to June 30, 2026
Assets, deposits and loans
Each quarter end, US dollars
Profit by quarter
Net income of each quarter, the last 12
Ratios
Percent. Return on assets and net interest margin are yearly rates.
Branches
6 offices as of June 30, 2026, holding $473.9 million in deposits
Branch map
Every branch, sized by its deposits
| State | Branches | Deposits | Share |
|---|---|---|---|
| Iowa | 6 | $474M | 100.0% |
| Largest branches | Place | Deposits |
|---|---|---|
| South Ottumwa Savings Bank (main office) | Ottumwa, IA | $287M |
| West Liberty State Bank Branch | West Liberty, IA | $76.4M |
| 102 South Main Branch | Albia, IA | $75.3M |
| North Court Branch | Ottumwa, IA | $22.4M |
| Hedrick Branch | Hedrick, IA | $13.0M |
| Albia Drive-Thru Branch | Albia, IA | $0 |
Related pages
Questions and answers
How big is South Ottumwa Savings Bank?
$565.4 million in total assets and $473.9 million in deposits as of June 30, 2026, with assets up 7.5% from a year before. Its loans were $324.4 million.
How many branches does South Ottumwa Savings Bank have?
6 branches in Iowa as of June 30, 2026.
Is South Ottumwa Savings Bank profitable?
Yes: it earned $3.78 million from January 1 to June 30, 2026 (up 18.3% from the same months a year before). Its return on assets was 1.40% a year; about 1% is typical.
Who owns South Ottumwa Savings Bank?
South Ottumwa Savings Bank is owned by Cornerstone Finl Services Group, its holding company.
Official public data from the reports every insured bank files each quarter. Profit so far runs from January 1 to the quarter end. Branch deposits are counted once a year, as of June 30. New quarters appear about two months after the quarter ends.