The Mexican War Streets, originally known as the "Buena Vista Tract," is a historic district that is located in the Central Northside neighborhood of Pittsburgh, Pennsylvania, in the United States. The district is densely filled with restored row houses, community gardens, and tree-lined streets and alleyways. The area dates to around the time of the Mexican–American War.

Central Northside is a neighborhood in the North Side of the city of Pittsburgh, Pennsylvania. It has a zip code of 15212, and has representation on Pittsburgh City Council by the council member for District 6. Originally known as "The Buena Vista Tract", it is densely filled with restored row houses, community gardens and tree lined streets and alleyways.