The Commonwealth Bank
| Status: | Inactive as of 04/12/1989 |
| Absorption - Assisted | |
| Successor Bank: | Park National Bank of Houston |
| Headquarters: | The Commonwealth Bank 6750 West Loop South Bellaire, TX 77401 |
| Established: | 10/23/1975 |
| FDIC Insurance: | 10/23/1975 |
| FDIC Cert: | #22151 |
| Charter Class: | Commercial bank, state charter and Fed nonmember, supervised by the FDIC |
| Total Assets: | $65,781,000 |
| Total Deposits: | $57,210,000 |
History
| 1975-10-23 | Institution established: Original name:The Commonwealth Bank of Houston | |
| 1975-10-23 | Acquired Astro Bank (20523) in HOUSTON, TX | |
| 1978-07-17 | Moved bank headquarters from HOUSTON, TX to BELLAIRE, TX | |
| 1978-10-06 | Changed name to The Commonwealth Bank | |
| 1989-04-12 | Failed. Acquired with government financial assistance and subsequently operated as part of Park National Bank of Houston (25757) | |
| 1996-02-15 | Reorganized. | |
| 1996-06-07 | Merged into and subsequently operated as part of The Frost National Bank (5510) in SAN ANTONIO, TX | |
| 1997-03-07 | Acquired Citizens State Bank of Corpus Christi (16295) in CORPUS CHRISTI, TX | |
| 1998-01-02 | Acquired Harrisburg Bank, Houston, Texas (3261) in HOUSTON, TX | |
| 1998-05-29 | Acquired Overton Bank and Trust, National Association (22650) in FORT WORTH, TX | |
| 1999-01-14 | Acquired Keller State Bank (20469) in KELLER, TX | |
| 1999-05-20 | Acquired Bank of Commerce (15795) in FORT WORTH, TX | |
| 2000-05-26 | Acquired United States National Bank of Galveston (3212) in GALVESTON, TX | |
| 2005-10-07 | Acquired Horizon Capital Bank (18929) in HOUSTON, TX | |
| 2006-02-09 | Acquired Texas Community Bank and Trust, National Association (25296) in DALLAS, TX | |
| 2006-06-23 | Acquired Alamo Bank of Texas (10361) in ALAMO, TX | |
| 2006-12-08 | Acquired Summit Bank, National Association (21881) in FORT WORTH, TX | |
| 2012-06-22 | Changed institution class to INSURED COMMERCIAL OR SAVINGS BANKS, STATE, MEMBERS FRS | |
| 2012-06-22 | Changed name to Frost Bank (5510) | |
| 2012-06-22 | Changed primary regulatory agency from FEDERAL DEPOSIT INSURANCE CORPORATION to FEDERAL RESERVE BOARD | |
| 2012-10-25 | Reorganized. | |
| 2014-06-21 | Acquired Western National Bank (22482) in ODESSA, TX |