WaterStone Bank, SSB
Wauwatosa, WI · Insured depository institution
Sonar Score
Strong
out of 100 · from public FDIC data
Reported June 30, 2026. The Sonar Score is an informational signal from public FDIC data — not a rating or financial advice.
Key figures
- Total assets
- $2.3B
- Total deposits
- $1.5B
- Branches
- 16
- Return on assets
- 1.28%
- Return on equity
- 8.57%
- Charter type
- Insured depository institution
- Established
- 1921
- FDIC cert #
- 28513
How the 84 breaks down
Well-capitalized by regulatory thresholds.
Strong returns on its asset base.
Positive but moderate equity returns.
Mid-size institution.
Your deposits at WaterStone Bank, SSB
WaterStone Bank, SSB is an FDIC-insured institution (Cert #28513). Deposits are insured up to $250,000 per depositor, per ownership category, by the full faith and credit of the US government. Learn how to maximize your coverage →
16 branch locations
6560 S 27th St
Oak Creek, WI 53154
7136 W State St
Wauwatosa, WI 53213
11200 W Plank Ct
Wauwatosa, WI 53226
1239-45 Oconomowoc Drive
Oconomowoc, WI 53066
7500 W State St
Wauwatosa, WI 53213
1230 George Towne Dr
Pewaukee, WI 53072
21505 Us-18 E
Brookfield, WI 53045
6555 S 108th St
Franklin, WI 53132
10101 W Greenfield Ave
West Allis, WI 53214
W188n9820 Appleton Ave
Germantown, WI 53022
17495 W Capitol Dr
Brookfield, WI 53045
5000 W Loomis Rd
Greenfield, WI 53220
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