First Main Street Bank
| Status: | Inactive as of 10/01/2005 |
| Merger - Without Assistance | |
| Successor Bank: | Centennial Bank of the West |
| Headquarters: | First Main Street Bank 401 Main Street Longmont, CO 80501 |
| Established: | 10/01/1871 |
| FDIC Insurance: | 01/01/1934 |
| FDIC Cert: | #3038 |
| Charter Class: | Commercial bank, national (federal) charter and Fed member, supervised by the Office of the Comptroller of the Currency (OCC) |
| Total Assets: | $388,682,000 |
| Total Deposits: | $332,691,000 |
History
| 1871-10-01 | Institution established: Original name:The First National Bank of Longmont | |
| 1994-01-01 | Reorganized. | |
| 2002-06-21 | Acquired First State Bank of Fort Collins (26898) in FORT COLLINS, CO | |
| 2003-08-08 | Changed name to First Main Street Bank, National Association | |
| 2005-10-01 | Merged into and subsequently operated as part of Centennial Bank of the West (15515) in FORT COLLINS, CO | |
| 2008-01-01 | Merged into and subsequently operated as part of Guaranty Bank and Trust Company (17482) in DENVER, CO | |
| 2016-09-09 | Acquired The Home State Bank (16902) in LOVELAND, CO | |
| 2017-10-28 | Acquired Castle Rock Bank (90582) in CASTLE ROCK, CO | |
| 2019-01-01 | Merged into and subsequently operated as part of Independent Bank (3076) in MCKINNEY, TX | |
| 2019-09-16 | Moved bank headquarters from DENVER, CO to MCKINNEY, TX |