Southern California First National Bank
| Status: | Inactive as of 10/01/1975 |
| Merger - Without Assistance | |
| Successor Bank: | Union Bank |
| Headquarters: | Southern California First National Bank 1201 Fifth Avenue San Diego, CA 92112 |
| Established: | 01/01/1883 |
| FDIC Insurance: | 01/01/1934 |
| FDIC Cert: | #3505 |
| Charter Class: | Commercial bank, national (federal) charter and Fed member, supervised by the Office of the Comptroller of the Currency (OCC) |
History
| 1883-01-01 | Institution established: Original name:Southern California First National Bank | |
| 1970-06-11 | Acquired Gateway National Bank (18995) in EL SEGUNDO, CA | |
| 1971-09-23 | Acquired Newport National Bank (18988) in NEWPORT BEACH, CA | |
| 1975-10-01 | Merged into and subsequently operated as part of California First Bank (17186) in SAN FRANCISCO, CA | |
| 1975-10-01 | Changed name to California First Bank (17186) | |
| 1988-11-01 | Changed name to Union Bank (17186) | |
| 1988-11-01 | Acquired Union Bank (1227) in LOS ANGELES, CA | |
| 1991-09-06 | Acquired Heartland Savings and Loan Association (32023) in LA MESA, CA | |
| 1994-08-12 | Acquired Bank of Newport (20637) in NEWPORT BEACH, CA as part of a government assisted transaction. | |
| 1996-04-01 | Merged into and subsequently operated as part of Union Bank of California, National Association (22826) in SAN FRANCISCO, CA | |
| 1996-04-01 | Changed name to Union Bank of California, National Association (22826) | |
| 2002-05-13 | Acquired First Western Bank (23357) in SIMI VALLEY, CA | |
| 2002-10-31 | Acquired Valencia Bank & Trust (27091) in SANTA CLARITA, CA | |
| 2002-12-31 | Acquired COPPER MOUNTAIN TRUST CORPORATION (91103) in PORTLAND, OR | |
| 2003-07-01 | Reorganized. | |
| 2003-07-01 | Acquired Monterey Bay Bank (28271) in WATSONVILLE, CA | |
| 2004-01-16 | Acquired Business Bank of California (25070) in SAN BERNARDINO, CA | |
| 2004-10-28 | Acquired Jackson Federal Bank (28653) in FULLERTON, CA | |
| 2008-12-18 | Changed name to Union Bank, National Association (22826) | |
| 2009-09-24 | Acquired Texas First Bank - Winnie (18046) in DALLAS, TX | |
| 2010-04-16 | Acquired Tamalpais Bank (33493) in SAN RAFAEL, CA as part of a government assisted transaction. | |
| 2010-04-30 | Acquired Frontier Bank (22710) in EVERETT, WA as part of a government assisted transaction. | |
| 2012-12-03 | Acquired Santa Barbara Bank & Trust, National Association (18169) in SANTA BARBARA, CA | |
| 2014-07-01 | Changed name to MUFG Union Bank, National Association (22826) |