Southwestern National Bank
Houston, Texas, Harris County
$1.4B in total assets, the 809th largest of 4,309 US banks and 69th of 352 headquartered in Texas.
- FDIC certificate
- 34319
- Established
- 1997
- Owned by
- Swnb Bcorp Inc
- Primary regulator
- OCC
- Website
- www.southwesternbank.com
At a glance
Compared with 77 banks headquartered in Texas with $1 billion to $10 billion in assets, as of June 30, 2026.
| Measure | This bank | Percentile | Peer range, middle 90% | Peer median |
|---|---|---|---|---|
| Total assets | $1.4B | 29% | $2.2B | |
| Loans | $1.2B | 43% | $1.3B | |
| Deposits | $1.2B | 30% | $1.8B | |
| Return on assets | 1.43% | 40% | 1.54% | |
| Net interest margin | 3.96% | 51% | 3.95% | |
| Efficiency ratio | 54.1% | 36% | 57.5% | |
| Equity to assets | 12.20% | 71% | 10.59% | |
| Loans to deposits | 98% | 88% | 80% |
Growth
Total assets grew 11.7% a year over the last 5 years and 14.9% a year over 10 years, without acquisitions.
Acquisitions
| Closed | Acquired bank | Assets at acquisition |
|---|---|---|
| Jun 2013 | Nevada National Bank Las Vegas, NV, an affiliate under the same holding company | $52M |
Where they operate
9 branches in 8 counties.
Largest markets by deposits
| County | Deposits | Market share | Rank |
|---|---|---|---|
| Harris County, TX | $532M | 0.2% | 36 of 87 |
| Dallas County, TX | $182M | 0.1% | 63 of 109 |
| Collin County, TX | $174M | 0.4% | 32 of 70 |
| Los Angeles County, CA | $95M | 0.0% | 82 of 91 |
| Orange County, CA | $86M | 0.1% | 59 of 73 |
| Fort Bend County, TX | $70M | 0.3% | 26 of 45 |
Deposits by branch from the FDIC Summary of Deposits, June 2026. Rank among all banks with branches in that county.
Branch history since 2016
Net gain of 4 branches since 2016 (5 to 9, +80.0%). 6 opened, 0 acquired, 2 closed or sold.
| Period | What happened | Opened or acquired | Closed or sold | Net change | Branches at end |
|---|---|---|---|---|---|
| Start of 2016 | Starting point | 5 | |||
| 2016 | Opened Irvine | 1 | 0 | +1 | 6 |
| 2017 | Opened Richardson | 1 | 0 | +1 | 7 |
| 2019 | Opened AnaheimClosed Irvine | 1 | 1 | 0 | 7 |
| 2023 | Opened San Mateo | 1 | 0 | +1 | 8 |
| 2024 | Opened Los Angeles | 1 | 0 | +1 | 9 |
| 2025 | Opened DallasClosed Richardson | 1 | 1 | 0 | 9 |
Balance sheet and earnings
Loans by type
| Type | Share | This bank | Peers |
|---|---|---|---|
| Commercial real estate | 74% | 38% | |
| 1-4 family residential | 8% | 20% | |
| Business (C&I) | 7% | 15% | |
| Construction and land | 6% | 13% | |
| Multifamily | 5% | 3% | |
| Consumer | 0% | 2% | |
| Farmland | 0% | 3% | |
| Agricultural | 0% | 1% | |
| Other | 0% | 4% |
Deposits by type
| Type | Share | This bank | Peers |
|---|---|---|---|
| Time deposits | 55% | 26% | |
| Other interest-bearing | 27% | 49% | |
| Noninterest-bearing | 18% | 26% |
Brokered deposits are 3.7% of deposits (peers 4.1%).
Return on assets
Trailing four quarters, with the peer median.
Credit and capital
| This bank | Peer median | |
|---|---|---|
| Noncurrent loans | 0.42% | 0.46% |
| Net charge-offs, annualized | 0.13% | 0.04% |
| Reserves to loans | 1.19% | 1.20% |
| Leverage ratio | 12.41% | 10.79% |
Noncurrent loans exclude government-guaranteed portions.
Related banks
Similar size in Texas
Largest competitors in Harris County, TX
Figures as of June 30, 2026 from the bank's Call Report, FDIC structure and branch data, and the Federal Reserve. Short link: bankingstats.com/southwestern