RANKING ·
Highest net interest margin in Washington
25 of 29 banks in Washington that filed for the quarter ended June 30, 2026 are ranked. At least $100 million in total assets. Institutions with equal values share a rank. Source: FDIC quarterly financial data.
| Rank | Institution | Headquarters | Net interest margin | Total assets |
|---|---|---|---|---|
| 1 | Coastal Community Bank | Everett, WA | 6.91% | $5.5 billion |
| 2 | Riverbank | Spokane, WA | 4.91% | $310 million |
| 3 | Portage Bank | Bellevue, WA | 4.75% | $116 million |
| 4 | Mountain Pacific Bank | Everett, WA | 4.49% | $896 million |
| 5 | 1st Security Bank of Washington | Mountlake Terrac, WA | 4.49% | $3.2 billion |
| 6 | Commencement Bank | Tacoma, WA | 4.31% | $740 million |
| 7 | Bank of the Pacific | Aberdeen, WA | 4.22% | $1.3 billion |
| 8 | Banner Bank | Walla Walla, WA | 4.16% | $16.6 billion |
| 9 | Peoples Bank | Bellingham, WA | 4.12% | $2.4 billion |
| 10 | Heritage Bank | Olympia, WA | 4.04% | $8.4 billion |
| 11 | Timberland Bank | Hoquiam, WA | 3.90% | $2.1 billion |
| 12 | Washington Trust Bank | Spokane, WA | 3.89% | $10.5 billion |
| 13 | Seattle Bank | Seattle, WA | 3.88% | $891 million |
| 14 | Twin City Bank | Longview, WA | 3.85% | $151 million |
| 15 | Sound Community Bank | Seattle, WA | 3.83% | $1.1 billion |
| 16 | Baker Boyer National Bank | Walla Walla, WA | 3.82% | $693 million |
| 17 | Riverview Bank | Vancouver, WA | 3.56% | $1.5 billion |
| 18 | Liberty Bank | Poulsbo, WA | 3.29% | $206 million |
| 19 | Cashmere Valley Bank | Cashmere, WA | 3.23% | $2.3 billion |
| 20 | First Fed Bank | Port Angeles, WA | 3.06% | $2.1 billion |
| 21 | Wafd Bank | Seattle, WA | 2.89% | $27.6 billion |
| 22 | Olympia Federal Savings and Loan Association | Olympia, WA | 2.87% | $1.0 billion |
| 23 | Pacific Crest Bank | Lynnwood, WA | 2.44% | $318 million |
| 24 | Unibank | Lynnwood, WA | 2.43% | $393 million |
| 25 | Yakima Federal Savings and Loan Association | Yakima, WA | 2.29% | $2.0 billion |
Rankings sort one published measure; they are not an overall judgment of any institution. Methodology · All rankings