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Westamerica Bank: Deposit Base

Data as of · Call Report Schedules RC-E and RC-O How we update

How the bank is funded. Core deposits are the stable, mostly-insured relationship money; brokered and uninsured balances are the fastest to leave. The 2023 regional bank failures were runs on uninsured deposits, which is why that share now gets read first.

Time deposits $100k to $250k dropped 8.4% in Q2 2026, from $18.7M to $17.2M. It was the largest change from Q1 2026 among the key lines here. Within California, Westamerica Bank is 22nd of 114 on total deposits, $4.78B as of Q2 2026, above the middle of the field. Against a median of $1.67B for banks in the $1B-10B asset tier, Westamerica Bank reported $4.78B on total deposits in Q2 2026, 186% higher.

Deposit totals

Deposit totals for Westamerica Bank, Q2 2026
Line item Q2 2026
Total deposits $4.78B
Domestic office deposits $4.78B
Foreign office deposits —
Deposits to total assets 82.80%
Deposits to total liabilities 92.50%

Deposit composition

Deposit composition for Westamerica Bank, Q2 2026
Line item Q2 2026
Demand deposits $2.14B
Savings deposits $594.1M
Transaction accounts to domestic deposits 64.04%
Time deposits $1K
Time deposits under $100k $38.1M
Time deposits $100k to $250k $17.2M
Time deposits over $250k $6.7M
Noninterest-bearing share of deposits 44.89%

Stability of funding

Stability of funding for Westamerica Bank, Q2 2026
Line item Q2 2026
Core deposits $4.77B
Core deposits to total deposits 99.86%
Insured deposits $2.41B
Uninsured deposits $2.37B
Uninsured deposits to total deposits 49.57%
Brokered deposits $0
Brokered deposits to total deposits 0.00%

Cost of deposits

Cost of deposits for Westamerica Bank, Q2 2026
Line item Q2 2026
Cost of interest-bearing deposits 0.47%
Interest expense on deposits $3.1M
Loans and leases to core deposits 14.02%

Deposit Base trend

Last 12 quarters as filed. Every value plotted here also appears in the tables above.

Total deposits
Core, uninsured and brokered shares
Cost of interest-bearing deposits

Deposit Base by quarter

Values plotted above, Westamerica Bank, oldest first
Quarter Total depositsCore depositsUninsured depositsBrokered depositsCost of interest-bearing deposits
Q3 2023 $5.70B 99.80% 46.85% 0.00% 0.15%
Q4 2023 $5.48B 99.82% 46.45% 0.00% 0.22%
Q1 2024 $5.36B 99.82% 46.49% 0.00% 0.29%
Q2 2024 $5.13B 99.81% 47.53% 0.00% 0.36%
Q3 2024 $5.07B 99.80% 48.96% 0.00% 0.46%
Q4 2024 $5.01B 99.81% 49.68% 0.00% 0.49%
Q1 2025 $4.88B 99.82% 48.36% 0.00% 0.49%
Q2 2025 $4.75B 99.82% 47.85% 0.00% 0.47%
Q3 2025 $4.80B 99.82% 49.30% 0.00% 0.54%
Q4 2025 $4.84B 99.85% 50.73% 0.00% 0.51%
Q1 2026 $4.79B 99.85% 49.35% 0.00% 0.47%
Q2 2026 $4.78B 99.86% 49.57% 0.00% 0.47%

Westamerica Bank deposit base, all the way back

Deposit Base back to 2001 · peer percentiles on every line item · Excel export

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Source: Call Report Schedules RC-E and RC-O, as filed with the FFIEC and standardized by BankRegReports. Dollar amounts are as reported, point-in-time; income statement items are year-to-date through the report date. See the full Westamerica Bank profile, peer group comparison, or how this data updates.

Regulator records: FDIC BankFind (cert 3430) · FFIEC NIC profile (RSSD 697763)