Lead support for High Line Art comes from Donald R. Mullen, Jr. Major support for High Line Art is provided by The Brown Foundation, Inc. of Houston, and Charina Endowment Fund. High Line Art is supported, in part, with public funds from the New York State Council on the Arts with the support of Governor Andrew Cuomo and the New York State Legislature, and from the New York City Department of Cultural Affairs in partnership with the New York City Council.

Agora is supported, in part, by an award from the National Endowment for the Arts.

High Line Programs are supported, in part, with public funds from the New York City Council, under the leadership of Speaker Corey Johnson.