Police have identified the man who died in a Mamaroneck crash on Monday.

The crash that killed the driver happened late Monday night on West Boston Post Road.

Police say that 20-year-old Anthony Diosdado, from New Rochelle, died from his injuries.

The front-seat passenger, 18-year-old Andy Romeo Fuentes, is also from New Rochelle.

Police say he remains in critical condition at Jacobi Medical Center in the Bronx.

They say the car left the roadway, hit a light pole and tree, and then crashed into the side of a building.

The town's Building Department will assess the structural integrity of the building.