Houston Galaxy Fireworks and Halloween Store Retail Houston Galaxy Fireworks and Halloween Store Visit Website 21311 Katy Fwy. Katy, TX 77450 281-599-8066 About Map About Our store houses two seasonal businesses. Fireworks are sold June 24th to July 4th then December 21st to January 1. Halloween Costumes and Home Decorations the first Friday after Labor Day to Nov 1st. What's Nearby? Distance: 5 10 15 20 25 50 mi.