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Heritage Landscapes LLC works at the intersection of culture and nature, people and place, community and land every day. Since 1987 we have partnered with respected clients and colleagues to enhance vital landscapes shaped by nature and humanity. As national and international leaders in effective planning, design, construction, management and stewardship we address the needs of and aspirations for urban and rural landscapes at all scales. With 28 years of award-winning work, this website presents a range of completed projects, work underway and contributions to the field. See the geographical scope of our work.


Heritage Landscape's design and construction leadership at Pittsburgh's Mellon Square is generating significant economic investment in the immediate surroundings uplifting the city through the rehabilitation of a modernist Garden Plaza.

Learn more about our Projects...

In Progress

Interdisciplinary collaboration through a private-public-civic partnership enhances the vitality of F.L.Olmsted's Jackson Park, site of the 1893 World Columbian Exposition in Chicago, and triggering positive ripple effects in the neighborhood and broader city.

Learn more about works In Progress...

In Action

Patricia M. O'Donnell had the opportunity to serve as an expert member in the UNESCO workshop to mainstream the Historic Urban Landscape initiative in the World Heritage Site of Stone Town and Ng'ambo buffer zone, Zanzibar, Tanzania, in February 2014.

Learn more about our office In Action...