Police say at around 3:15 p.m., a driver lost control of a vehicle and crashed into McCaffrey's Market in the Princeton Shopping Center on North Harrison Street.
Responding units arrived to find the lone vehicle had been driven into the building through the exit door and partially into the store.
The driver, David Isaacs of Hillsborough, was trapped inside the vehicle and was later extricated by the Princeton First Aid Squad.
Two other store occupants were inside the store and were also injured as a result of the crash.
The building suffered structural damage.
It is not known why the driver lost control of his vehicle.