Branch Network
Altos Bank Locations & Branches Los Altos, California
BankRegReports is independent of Altos Bank and never asks for online banking logins or passwords.
Altos Bank operates 1 branch from its headquarters in Los Altos, CA, .
Altos Bank branch network
Its one office is in Los Altos, CALIFORNIA. It had the same number of branches on June 30, 2025.
Altos Bank at a glance
It reports no CET1 ratio; its Tier 1 leverage ratio was 28.45% at Q2 2026, above the 9% community bank leverage ratio requirement for being considered well capitalized.
- Total assets, Q2 2026
- $68.8M
- Tier 1 leverage ratio, Q2 2026
- 28.45%
- Deposit insurance
- FDIC
- Regulator
- FDIC
- Established
- 2024
Full financial profile · Is Altos Bank safe? · Routing number
Deposit market share
Share of all FDIC-insured deposits held in each area, from the June 30, 2026 Summary of Deposits. Rank 1 is the largest holder. Shares are by bank charter, not by holding company.
| Area | Rank | Deposit share | Deposits |
|---|---|---|---|
| City: Los Altos, CA (1 branch) | 11 of 12 | 1.7% | $50.1M |
| State: CA (1 branch) | 159 of 164 | <0.1% | $50.1M |
Ranked by total assets among banks headquartered in the state: Largest banks in California.
Share by county and metro area
Altos Bank's share of FDIC-insured deposits in the counties and metro areas where it has branches, from the June 30, 2026 Summary of Deposits. Up to the ten largest of each are shown, by the bank's deposits. Rank 1 is the largest holder. Banks only: credit unions are not in the Summary of Deposits.
Counties
| County | Rank | Deposit share | Deposits | County total |
|---|---|---|---|---|
| Santa Clara, CA (1 branch) | 38 of 42 | <0.1% | $50.1M | $174.10B |
Metro areas
| Metro area | Rank | Deposit share | Deposits | Metro total |
|---|---|---|---|---|
| San Jose-Sunnyvale-Santa Clara, CA (1 branch) | 38 of 42 | <0.1% | $50.1M | $175.30B |
| Branch | Location | ZIP | Deposits |
|---|---|---|---|
| Altos Bank (main office) | Los Altos, CA | 94022 | $50.1M |
Source: FDIC Summary of Deposits, June 30, 2026. How the survey works.
Regulator records: FDIC BankFind (cert 59339) · FFIEC NIC profile (RSSD 5861541)