[4] JHC manages the remaining 23-acre (9.3 ha) core parcel of Jay's home as an active campus with indoor and outdoor classrooms filled with programs in American history, architecture, social justice, landscape conservation and environmental stewardship.[17][18] In August 2013, under Governor Andrew Cuomo JHC was finally awarded management of the Jay Estate by NYSOPRHP and Westchester County Executive Rob Astorino through a public-private partnership agreement.The Commissioner articulated the importance of saving the site: "Here we are at the boyhood home of the only native founding father and the first Chief Justice of the United States, author of New York's constitution and two time governor, abolitionist and patriarch of several generations of similarly public minded descendants."[21] JHC is entrusted to stabilize and rehabilitate culturally significant landscape features at the Jay Estate including 1822 stone ha-ha walls, 1.5 acres (0.61 ha) of historic sunken gardens that date back to the 1700s, a meadow, an apple orchard, and elm tree allée.Commissioned by the later residents Warner and Grace Talcott Van Norden, the Classical Revival, yellow folly has its original, four-faced Seth Thomas clock and three pairs of mahogany pocket doors."[26] In 2019, JHC received a prestigious $50,000 grant from the Gerry Charitable Trust to rehabilitate the site of an 1849 Alexander Jackson Davis building and create a garden pavilion for educational purposes.Literary Celebration (January), Annual African American Trailblazers Awards Ceremony (February),[28] I Love My Park Day (May) and Hudson River Valley Ramble (September).Working with fellow parks, historic sites and Audubon chapters, JHC has been a longtime partner of NY State's Lower Hudson Partnership for Invasive Species Management (LHPRISM).The Jay Heritage Center hosted a conference in September 2013 titled Populism and Constitutionalism in concert with Wolfson College, Oxford that attracted notable legal scholars from around the world.
The Annual Trailblazers Awards Ceremony honors notable African American individuals in Westchester County at the Jay Estate which is on the African American Heritage Trail
The Palmer Tennis House is the third oldest indoor tennis court in the United States