MNLA (Mathews Nielsen Landscape Architects, P.C.)

MNLA, legally Mathews Nielsen Landscape Architects, P.C., is a landscape architecture practice based at 120 Broadway, Suite 1040, New York, NY 10271. The firm's own project index lists three service lines: landscape architecture, master planning and urban design. Its portfolio is organised by sector, covering campuses, connections, cultural and historic work, mixed-use, parks and open spaces, and waterfront projects, with each entry marked as complete or in progress.

The published body of work is concentrated in and around New York City and the wider region. Named projects include Little Island, a 2.4-acre public park in the Hudson River completed in 2021 with Heatherwick Studio; East River Park Phase 1, completed in 2025 as part of the East Side Coastal Resiliency programme; Stuyvesant Cove Park; Plaza33 in the Penn District; Governors Island Park and Public Space; the Hudson Square Streetscape Master Plan and Freeman Plaza; and campus work such as Upper Science Hill Development at Yale University and the Stavros Niarchos Foundation-David Rockefeller River Campus at The Rockefeller University.

The firm publishes a named team on its website, listing principals, a principal emerita and a wider studio team, several of whom carry RLA, ASLA, FASLA, WEDG, LEED AP or ISA designations. Project pages record clients, locations, completion years, site areas, design teams, awards and press coverage.