Tomball's annual July 4th Celebration & Street Party presented by Allied Siding & Windows is the second largest in Harris County. Performing in 2019 are Texas Music Hall of Famers, The Posse. Food vendors, giant kids zone and, of course, an aerial fireworks display beginning around 9:20 p.m.. Free admission and parking. Gates open at 5 p.m. Sponsored in-part by K-Star radio.