FS Bancorp, Inc.
FS Bancorp, Inc. is the holding company for 1st Security Bank of Washington, a community-based savings bank serving households and small-to-middle-market businesses in Washington and Oregon. The bank gathers deposits and originates a mix of consumer, mortgage, commercial real estate, construction, and business loans through branches and loan production offices concentrated in the Puget Sound and nearby regional markets.
Fiscal year 2025 · change from previous year
Development 2020–2025
Business
Share of revenueCore funding products including checking, savings, and other deposit accounts used to support lending.
Home loans originated for purchase, refinance, and related mortgage banking activity.
Owner-occupied and non-owner-occupied CRE loans, including related construction exposure.
Business-purpose loans and lines of credit for small and middle-market companies.
Smaller-balance consumer loans and other banking services to retail customers.
Products
Reported · share of revenue- Debit Card69.4 %
- Bank Servicing30.6 %
Source: 10-K FY2023, revenue the company reports per product line (SEC XBRL). Shares are of the lines shown and add up to 100 %.
Customers
The bank primarily serves small- and middle-market businesses and individuals in its local branch footprint. Its lending mix suggests demand from homeowners, local real estate borrowers, contractors, and operating businesses that value relationship banking and regional decision-making.
Borrow commercial loans, CRE financing, and lines of credit for working capital and expansion.
Open deposit accounts and obtain residential mortgage and consumer loans.
Use owner-occupied and non-owner-occupied CRE loans plus construction financing.
Choose the bank for local presence, deposit convenience, and faster credit decisions.
Strategy
The company’s strategy centers on relationship banking in defined local markets, using branches and loan production offices to gather deposits and originate loans. It also appears focused on maintaining credit discipline, managing asset quality, and balancing growth with regulatory and capital constraints in a concentrated regional footprint.
Stable core deposits reduce funding volatility and support loan growth.
Loan losses and reserve needs are central to earnings in a lending-heavy bank.
Adding branches or offices can deepen local relationships and broaden origination capacity.
Digital banking and third-party systems are essential to customer retention and operations.
Geography
FS Bancorp operates mainly in Washington and Oregon, with branches and loan production offices concentrated in the greater Puget Sound area and nearby regional markets. The footprint expanded in 2023 to include additional counties in Washington and Oregon, making the company highly exposed to local employment, housing, and commercial real estate conditions.
Risks
FS Bancorp is exposed to regional economic weakness, especially in its Washington and Oregon markets, where employment and real estate trends directly affect borrower performance and loan demand. Like other community banks, it also faces credit risk, interest-rate sensitivity, cybersecurity threats, and vendor dependence, while acquisitions and goodwill create additional accounting and impairment risk.
- Local economic downturn in core marketsImpact: HighLikelihood: Medium
Borrowers are concentrated in Washington and Oregon communities, so weaker employment or spending can hurt repayment and growth.
Exposure: Puget Sound and surrounding counties in Washington and Oregon
- Commercial real estate and construction credit lossesImpact: HighLikelihood: Medium
A meaningful part of the loan book is tied to CRE and development activity, which is cyclical and collateral-sensitive.
Exposure - Cybersecurity and technology disruptionImpact: HighLikelihood: Medium
The bank relies on online systems and third-party vendors for core operations and customer access.
Exposure - Interest-rate and funding pressureImpact: MediumLikelihood: High
Deposit pricing and asset yields can reprice at different speeds, affecting net interest income.
Exposure: Deposit activities and loan portfolio repricing
- Goodwill impairmentImpact: MediumLikelihood: Low
Acquisition-related goodwill can be written down if performance or market conditions weaken.
Exposure: Reported goodwill of $3.6 million at year-end 2025
Accounting
Judgemental itemsLoan-loss estimates depend on macro assumptions, borrower performance, and collateral values.
Impact: Can materially change provision expense and net income
MSR values move with prepayment speeds, interest rates, and servicing assumptions.
Impact: Can create fair value gains or losses
Hedge effectiveness and valuation changes can affect earnings timing.
Impact: May introduce volatility in noninterest income and expense
Acquisition-related goodwill is tested for impairment using judgmental assumptions.
Impact: Could produce a non-cash charge to earnings
Valuation inputs affect reported asset values and realized/unrealized gains or losses.
Impact: Affects balance sheet carrying values and capital ratios
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Last updated: 24/09/2026