Summit State Bank (SSBI) Stock Analysis & Winston Score
Summit State Bank is a small community bank based in Sonoma County, California. It offers everyday banking services like checking and savings accounts, loans, and mortgages to local individuals, small businesses, and real estate investors in the North Bay area of California. The bank makes money primarily from the difference between the interest it charges on loans and the interest it pays to depositors — a spread called net interest income. It operates entirely in Northern California, making it a very locally focused institution with a market cap of around $100 million. Because it is so small and concentrated in one region, its biggest risk is exposure to the local economy and real estate market, which can be sensitive to California-specific factors like wildfires, housing affordability pressures, and economic slowdowns that hit small businesses hard.
Winston Score: 53/100 — Average
Mixed quality — meaningful strengths and weaknesses.
- Quality: Good (15/30)
- Growth: Mixed (7/20)
- Cash Flow: Strong (8/10)
- Stability: Good (5/10)
- Valuation: Good (5/10)
- Ownership: Good (10/15)


