Mainstreet Bank
| Status: | Inactive as of 08/28/2009 |
| Absorption - Assisted | |
| Successor Bank: | Central Bank |
| Headquarters: | Mainstreet Bank 1650 South Lake Street Forest Lake, MN 55025 |
| Established: | 03/15/1903 |
| FDIC Insurance: | 01/01/1934 |
| FDIC Cert: | #1909 |
| Charter Class: | Commercial bank, state charter and Fed nonmember, supervised by the FDIC |
| Total Assets: | $458,533,000 |
| Total Deposits: | $432,818,000 |
History
| 1903-03-15 | Institution established: Original name:Chisago County State Bank | |
| 1994-04-13 | Moved bank headquarters from CENTER CITY, MN to FOREST LAKE, MN | |
| 1994-04-13 | Changed name to The County Bank | |
| 2001-11-16 | Changed name to Mainstreet Bank | |
| 2001-11-16 | Acquired Southview Bank (19021) in SOUTH ST. PAUL, MN | |
| 2008-02-29 | Acquired First Bank and Trust (15911) in HUDSON, WI | |
| 2009-08-28 | Failed. Acquired with government financial assistance and subsequently operated as part of Central Bank (27234) | |
| 2009-10-02 | Acquired Jennings State Bank (11416) in SPRING GROVE, MN as part of a government assisted transaction. | |
| 2009-10-23 | Acquired Riverview Community Bank (57525) in OTSEGO, MN as part of a government assisted transaction. | |
| 2009-11-20 | Acquired Commerce Bank of Southwest Florida (58016) in FORT MYERS, FL as part of a government assisted transaction. | |
| 2011-04-15 | Acquired Rosemount National Bank (24099) in ROSEMOUNT, MN as part of a government assisted transaction. | |
| 2011-10-07 | Acquired The RiverBank (10216) in WYOMING, MN as part of a government assisted transaction. | |
| 2012-07-13 | Acquired Bank of Naples (35396) in NAPLES, FL | |
| 2013-10-07 | Moved bank headquarters from FOREST LAKE, MN to GOLDEN VALLEY, MN | |
| 2014-04-12 | Acquired First National Bank and Trust (5338) in BARRON, WI | |
| 2016-04-01 | Merged into and subsequently operated as part of MidWestOne Bank (14843) in IOWA CITY, IA | |
| 2019-05-01 | Acquired American Bank & Trust Wisconsin (6183) in CUBA CITY, WI | |
| 2019-05-01 | Acquired American Trust & Savings Bank (13150) in DUBUQUE, IA |