| Business | Phone |
| M & T Bank 1525 Route 22, Brewster 10509 | (845) 279-8018 |
| Bank Of New York 7 Clock Tower Commons, Brewster 10509 | (845) 278-0346 |
| Charter One Bank 1515 Route 22 # D1, Brewster 10509 | (845) 279-6166 |
| Chase 1511 Route 22, Brewster 10509 | (914) 935-9935 |
| Citizens Bank 1515 Route 22, Brewster 10509 | (845) 279-0485 |
| Hsbc 1505 Route 22, Brewster 10509 | (845) 279-7191 |
| Hsbc Rr 22, Brewster 10509 | (845) 000-1111 |
| Mahopac National Bank 1441 Route 22, Brewster 10509 | (845) 628-3500 |
| Putnam County Savings Bank 2477 Route 6, Brewster 10509 | (845) 279-7101 |