Horner Park In Chicago Horner Park In Chicago loading map - please wait...Map could not be loaded - please enable Javascript!→ more information 4201 N California Ave, Horner Park, Chicago, IL 60618, United States (Directions) Horner Park In Chicago 41.957696, -87.698318 4201 N California Ave, Horner Park, Chicago, IL 60618, United States (Directions) Parking info: n/a Bathrooms: n/a Concessions: n/a Dogs: n/a