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Profitability · Washington

US Banks with Highest Net Interest Margin (NIM) in Washington

Ranked among banks headquartered in Washington. Re-ranked 1-32 within the state from the same national ranking population.

#1 Net Interest Margin (NIM): COASTAL COMMUNITY BANK — 6.94% . Net Interest Margin (NIM) measures the spread between interest earned on assets and interest paid on liabilities — the core unit economics of a commercial bank.

Ranked: 32 banks with reported data Showing: Top 32 Source: FFIEC call reports (Q1 2026) What is this metric? See the US Banks with … glossary entry Go deeper: What Is Net Interest Margin? A Bank Profitability Guide
# Bank HQ US Banks with … Total Assets
1 Coastal Community Bank Everett , WA 6.94% $5.66B
2 State Bank Northwest Spokane Valley , WA 5.71% $223.0M
3 Riverbank Spokane , WA 4.63% $283.7M
4 Security State Bank Centralia , WA 4.48% $613.0M
5 Portage Bank Bellevue , WA 4.45% $113.8M
6 Mountain Pacific Bank Everett , WA 4.39% $871.5M
7 1st Security Bank of Washington Mountlake Terrace , WA 4.35% $3.20B
8 Heritage Bank Olympia , WA 4.12% $8.49B
9 Commencement Bank Tacoma , WA 4.08% $697.3M
10 Banner Bank Walla Walla , WA 4.04% $16.34B
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11 Bank of the Pacific Aberdeen , WA 4.02% $1.29B
12 Twin City Bank Longview , WA 3.90% $114.6M
13 Peoples Bank Bellingham , WA 3.83% $2.51B
14 Washington Trust Bank Spokane , WA 3.77% $10.70B
15 Timberland Bank Hoquiam , WA 3.76% $2.05B
16 Savibank Burlington , WA 3.72% $639.5M
17 Baker Boyer National Bank Walla Walla , WA 3.62% $698.7M
18 Sound Community Bank Seattle , WA 3.52% $1.11B
19 Kitsap Bank Port Orchard , WA 3.46% $1.65B
20 Seattle Bank Seattle , WA 3.16% $1.05B
21 Cashmere Valley Bank Cashmere , WA 3.10% $2.30B
22 Community First Bank Kennewick , WA 3.10% $672.0M
23 First Fed Bank Port Angeles , WA 3.06% $2.12B
24 Riverview Bank Vancouver , WA 3.01% $1.46B
25 Unibank Lynnwood , WA 3.01% $401.8M
26 Liberty Bank Poulsbo , WA 3.00% $199.8M
27 Wafd Bank Seattle , WA 2.79% $27.55B
28 Olympia Federal Savings and Loan Association Olympia , WA 2.72% $1.01B
29 First Financial Northwest Bank Renton , WA 2.48% $1.44B
30 Pacific Crest Bank Lynnwood , WA 2.33% $318.7M
31 Yakima Federal Savings and Loan Association Yakima , WA 2.23% $2.01B
32 HomeStreet Bank Seattle , WA 2.02% $7.60B

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All data sourced from the most recent FFIEC call report filings, refreshed each quarter as new filings are processed. This leaderboard excludes banks with total assets under $100,000K to filter out anomalous micro-bank ratios. See /data-updates/ for the current data freshness window.

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