The St. Mary's Park Houses is a NYCHA housing project with six buildings that consists of 21 and 22 stories. It is located between East 149th Street/Westchester Avenue to East 156th Street and also between Cauldwell to Trinity/Forest Avenues in Melrose, the Bronx. It is located near the Jackson Avenue station on the IRT White Plains Road Line and St. Mary's Park.
The project was approved by the Board of Estimate on February 4, 1953. The groundbreaking ceremony was held on May 9, 1956; construction of this housing project was completed in April 1959. The housing complex was designed by the architectural firm of Voorhees, Walker, Smith & Smith.
In the roundup in Summer of 2025, this housing project had roofing repairs along with Washington Houses for structural repairs, railings, beams, and insulation.