| Location | 1235 Amsterdam Avenue (at corner of 121st Street), 2 blocks from Milbank Hall |
| Construction | Built in 1968 |
| Population | 336 upperclass students; Plimpton also houses some male & female Columbia University students |
| Common Areas | TV lounge, formal / piano lounge, computer lab, and patio terraces on the 1st floor |
| Room Layout | Single & double rooms in 6-person suites (floor plans) |
| Furniture | Bed (XL Twin), desk, chair, dresser, and wardrobe/closet space |
| Security | 24-hour access attendant at the front desk (phone number) |
| Internet | Wireless internet access |
| Cable | Students may arrange cable TV service with Time Warner Cable for a fee |
| Bathrooms | Each suite has its own bathroom |
| Kitchens | Each suite has a kitchen with a sink, gas stove/oven, and refrigerator |
| Laundry | Located in the basement (more info) |
| Accessibility | Wheelchair access is on the street level through a locked door, left of main entrance (call the desk attendant for access); both elevators stop on all floors |
| AC | Plimpton has AC. Info about heating & cooling |
| Staff | Associate Director, Graduate Hall Director and 7 RAs (Staff Directory) |
Note: Smoking is prohibited in all residence halls (Smoking Policy).