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Plains State Bank Locations & Branches Humble, Texas
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Plains State Bank operates 7 branches from its headquarters in Humble, TX, .
Plains State Bank branch network
All 7 branches are in TEXAS, across 5 cities. Houston, TX has the most of its branches, 2. Its largest office by deposits is its main office in Humble, TX, with $360.5M (52.6% of its branch deposits). It had the same number of branches on June 30, 2025.
Plains State Bank at a glance
It reports no CET1 ratio; its Tier 1 leverage ratio was 16.47% at Q2 2026, above the 9% community bank leverage ratio requirement for being considered well capitalized.
- Total assets, Q2 2026
- $828.4M
- Tier 1 leverage ratio, Q2 2026
- 16.47%
- Deposit insurance
- FDIC
- Regulator
- FDIC
- Latest call report
- Q2 2026, FFIEC 051
- Established
- 1957
Full financial profile · Is Plains State Bank safe? · Plains State Bank call report · 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: Humble, TX (1 branch) | 5 of 17 | 5.9% | $360.5M |
| State: TX (7 branches) | 148 of 441 | <0.1% | $685.8M |
Ranked by total assets among banks headquartered in the state: Largest banks in Texas.
Share by county and metro area
Plains State 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 |
|---|---|---|---|---|
| Harris, TX (3 branches) | 40 of 87 | 0.2% | $499.8M | $302.92B |
| Yoakum, TX (1 branch) | 1 of 5 | 45.3% | $156.3M | $345.1M |
| Montgomery, TX (2 branches) | 30 of 36 | <0.1% | $17.8M | $18.26B |
| Fort Bend, TX (1 branch) | 42 of 45 | <0.1% | $12.0M | $20.75B |
Metro areas
| Metro area | Rank | Deposit share | Deposits | Metro total |
|---|---|---|---|---|
| Houston-The Woodlands-Sugar Land, TX (6 branches) | 48 of 104 | 0.1% | $529.5M | $359.69B |
| Branch | Location | ZIP | Deposits |
|---|---|---|---|
| Plains State Bank (main office) | Humble, TX | 77338 | $360.5M |
| Plains Branch | Plains, TX | 79355 | $156.3M |
| Plains State Bank Branch | Houston, TX | 77068 | $77.5M |
| Houston Branch | Houston, TX | 77098 | $61.8M |
| Conroe Branch | Conroe, TX | 77304 | $17.8M |
| Plains State Bank - Sugarland Branch | Sugar Land, TX | 77478 | $12.0M |
| Conroe Branch | Conroe, TX | 77304 | $0 |
Source: FDIC Summary of Deposits, June 30, 2026. How the survey works.
Regulator records: FDIC BankFind (cert 17739) · FFIEC NIC profile (RSSD 972862)