It is located between Central and Monte Vista Avenues on Richton Street just north of the Montclair Plaza shopping center.

Montclair Transcenter is served by 44 Metrolink San Bernardino Line trains (22 in each direction) each weekday, with trains arriving every 30 minutes for most of the day, and every 60 minutes in the early morning and evening.

Weekend service consists of 16 trains (8 in each direction) on both Saturday and Sunday, evenly spaced throughout the day.

Both agencies accept each other's passes for one transfer outbound from the station.

The FlixBus boards from the nearby Montclair Plaza mall, at Moreno Street and Lindero Avenue.