OBT Next presents the Holden Heights Block Party happening at Kaley Square Park on Saturday, May 19th from 10a-2p. Holden Heights hopes to spread a positive light within our community on law enforcement. Orange County Sherriffās Office staff as well as OPD will be there to help out with any questions you may have. Holden Heights has stuff for kids too ā vendors will be on site offering summer jobs as well as summer activities to help keep kids off the streets.