1st Security Bank of Washington
Headquarters: Mountlake Terrace, Washington
Overview
1st Security Bank of Washington is an FDIC-insured bank headquartered in Mountlake Terrace, Washington. It reported $3.18B in assets and $2.47B in deposits for the period ending June 30, 2026. Bankular currently lists 31 branch locations.
What Bankular checked
These dates identify the official records and review steps supporting this profile.
Quarterly change
What changed since the previous report
March 31, 2026 to June 30, 2026
These comparisons use consecutive official regulatory reporting periods. A change is descriptive and is not a recommendation or safety rating.
Financial indicators
Capital, profitability and credit quality
These are the latest reported capital, profitability and credit-quality measures available for this institution. Read the figures together rather than as a single safety rating.
Branch footprint
Where 1st Security Bank of Washington has branches
Explore the cities with the most currently listed locations. Branch hours can change, so confirm current lobby, drive-through and appointment hours with the institution before visiting.
Locations
Find a branch of 1st Security Bank of Washington
Aberdeen Branch
100 W 1st St, Aberdeen, Washington, 98520
Limited Service: Administrative · Opened January 23, 2002
Address and directions →Aberdeen Branch
120 N Broadway St, Aberdeen, Washington, 98520
Full-service branch · Opened January 1, 1907
Capitol Hill
614 Broadway E, Seattle, Washington, 98102
Full-service branch · Opened May 6, 2013
Crossroads
1320 156th Ave NE, Bellevue, Washington, 98007
Full-service branch · Opened July 28, 2025
Address and directions →Edmonds Branch
620 Edmonds Way, Edmonds, Washington, 98020
Full-service branch · Opened April 1, 2004
Eighth Street
134 W 8th St, Port Angeles, Washington, 98362
Full-service branch · Opened August 23, 1965
Financial overview
Latest reported figures
Through June 30, 2026
Financial trends
How the balance sheet has changed
Compare recent quarters to see the direction of assets, deposits and loans.
| Quarter | Assets | Deposits | Net loans | ROA |
|---|---|---|---|---|
| June 30, 2026 | $3.18B | $2.47B | $2.66B | 1.09% |
| March 31, 2026 | $3.20B | $2.66B | $2.68B | 1.08% |
| December 31, 2025 | $3.20B | $2.69B | $2.67B | 1.14% |
| September 30, 2025 | $3.21B | $2.70B | $2.64B | 1.13% |
| June 30, 2025 | $3.18B | $2.57B | $2.64B | 1.08% |
| March 31, 2025 | $3.07B | $2.63B | $2.53B | 1.11% |
| December 31, 2024 | $3.03B | $2.36B | $2.53B | 1.24% |
| September 30, 2024 | $2.97B | $2.45B | $2.51B | 1.31% |
Size and reach
How this institution compares
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More on 1st Security Bank of Washington
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Branch locations
31 listed locations.
Explore →Compare this institution
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Explore →State banking market
Explore institutions and deposit-market context in Washington.
Explore →Mountlake Terrace banking market
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Explore →Rankings and research
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Explore →Sources and methodology
Review the official sources and reporting periods.
Explore →Frequently asked questions
Is 1st Security Bank of Washington federally insured?
Yes. Bankular identifies this institution in FDIC records under certificate 57633.
Where is 1st Security Bank of Washington headquartered?
1st Security Bank of Washington is headquartered in Mountlake Terrace, Washington, at 6920 220th St Sw, Ste 300, Mountlake Terrace, Washington, 98043.
How large is 1st Security Bank of Washington?
It reported $3.18B in assets and $2.47B in deposits for the period ending June 30, 2026.
How many locations does 1st Security Bank of Washington have?
Bankular currently lists 31 branch locations for this institution.
Data sources and methodology
Bankular combines official regulatory records with institution-published product information. The detailed sources are available below for readers who want to verify a figure.