# Monster Mash on Main St. at The District at Green Valley Ranch > Event for families in the Las Vegas–Henderson–North Las Vegas area (NV). Times are Pacific Time. - When: Sat, Oct 31 · 4:00 PM – 7:00 PM - Where: The District at Green Valley Ranch, 2240 Village Walk Dr, Henderson, NV 89052 - Ages: All ages; costume contest groups Baby–3 Years, 4–7 Years, 8–10 Years - Price: Check official pricing - Status: Ended (last date Sat, Oct 31). - Organizer: The District at Green Valley Ranch - Official page: https://shopthedistrictgvr.com/ - Last checked: Tue, Oct 27 Source: Grassy Knees is a directory of real family events, places and programs for kids across major U.S. metro areas, where every listing is researched from the organizer’s own page and shows the date we last checked it. https://grassyknees.com covers 42 metro areas as of Nov 2, 2026, with more added regularly. About: https://grassyknees.com/about Freshness: listings are re-checked on a daily research run (latest check 2026-11-01), and new events are added as organizers post them. Sell-outs, weather cancellations and time changes show up on the live page first: https://grassyknees.com/las-vegas/activities/monster-mash-on-main-st-at-the-district-at-green-valley-ranch--listing-901c9be2fc5b11ada14e9714 ## About Halloween evening trick-or-treating along Main Street at The District at Green Valley Ranch in Henderson. Children collect treats from participating retailers while live music and Halloween entertainment play, and families can pose for photos with Dracula, Frankenstein and other costumed characters and browse local vendors at the Makers Hive Market. A costume contest at The Splash Pad runs in three age groups — babies to 3 years at 5:15 p.m., 4 to 7 years at 5:45 p.m. and 8 to 10 years at 6:15 p.m. — with prizes. The organizer asks families to RSVP online. Bring a treat bag. ## Similar picks coming up in Las Vegas - [Annual Tree Lighting at The District at Green Valley Ranch](https://grassyknees.com/las-vegas/activities/annual-tree-lighting-at-the-district-at-green-valley-ranch--listing-b8ed2658f7a22ee1d6692f9a) — Sat, Nov 21 · 5:00 PM – 8:00 PM · The District at Green Valley Ranch, Henderson · checked Oct 27. The District at Green Valley Ranch opens its holiday season on the Saturday before Thanksgiving with an evening on Main Street in Henderson. Snowfall gives kids a 'white winter'… - [Vegas Valley Comic Book Festival](https://grassyknees.com/las-vegas/activities/vegas-valley-comic-book-festival--listing-e56b682342fbac3f7367b6e0) — Sat, Nov 7 · 9:30 AM – 4:30 PM · Clark County Library · Free · checked Oct 14. Calling all comics fans! Las Vegas' longest running event for all things geeky is back! 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