Calle Concordia (Concordia Street) is a short but important thoroughfare running north-south through the Mayagüez, Puerto Rico neighborhood of El Seco. The street runs for .72 of a mile and is signed as Puerto Rico Highway 3342 and begins at the intersection of PR-102 and PR-64 and ends as a dead-end at the Yagüez River just south of Calle San Pablo (San Pablo Street). Calle Concordia also forms the western boundary of the Concordia Public Housing Complex.