Mayhem Haunted House

01/01/2026

🎃 Only about 275 days until the screams return to Mayhem Haunted House.
The shadows are already shifting… the crew is already plotting… and 2026 is shaping up to be our biggest, wildest season yet.

Ottumwa has no idea what’s coming.

12/25/2025

🎄 Happy Holidays from all of us at Mayhem Haunted House!

Wishing you and your family a wonderful season filled with joy, rest, and all the things that matter most.

Thank you for supporting us throughout this past year. Your energy, excitement, and loyalty keep Mayhem alive, and we’re incredibly grateful for this community.

We’re already hard at work preparing for the 2026 haunt season, and we can’t wait to bring you even bigger scares, new surprises, and unforgettable nights of Mayhem.

Stay warm, stay spooky, and we’ll see you soon.

— The Mayhem Haunted House Crew

11/27/2025

🎃 A Heartfelt Thank You from Mayhem Haunted House 👻

As we wrap up another thrilling season, we want to take a moment to give thanks to all the amazing people who make Mayhem Haunted House possible.

- To our dedicated volunteers and staff: your energy, creativity, and passion bring the scares to life.
- To our vendors and partners: thank you for keeping our guests fueled, entertained, and immersed in the experience.
- To our community and loyal fans: your support, feedback, and enthusiasm inspire us to grow bigger and better every year.
- And to every brave soul who walked through our doors: you are the heartbeat of Mayhem Haunted House.

We are proud to be part of Ottumwa’s community, and we couldn’t do it without each and every one of you. Here’s to building more memories, more screams, and more fun

11/02/2025

Thank you all for another spine-tingling, successful season! 👻
We couldn’t have done it without your screams, smiles, and support.
Head over to iowahauntedhouses.com and let us know what you loved—or what scared you the most! Your feedback helps us make next year even more terrifying.

11/01/2025

Thank you Team Midwest Macabre Haunt Reviews for visiting us!! We are glad you had a good time. We were still able to provide a scare or two!!

Team Midwest Macabre visited Mayhem Haunted House in Ottumwa, Iowa, during the 2025 spooky season! Read their full review here!

10/30/2025

The final weekend of Mayhem Haunted House 2025 runs October 31 and November 1—are you brave enough to face the fear and make it out alive?

Mayhem Haunted House in Ottumwa, Iowa is closing out its 2025 season with a terrifying finale on Friday, October 31 and Saturday, November 1, from 7:30 p.m. to midnight, with a brief intermission from 10:00 to 10:30 p.m.. Known for its spine-chilling atmosphere and relentless scares, Mayhem has earned its reputation as one of Iowa’s top haunted attractions, voted best in the state multiple times.

Here’s what to expect if you dare to enter:

🎃 Location:
13011 120th Avenue, Ottumwa, IA 52501

💀 Admission:
$15 per person — cash and card accepted
No online pre-sales, so arrive early to secure your spot

👻 Experience:
- A volunteer-run haunt that pushes the limits of fear
- Dark corridors, eerie soundscapes, and unexpected frights
- Merchandise available for those who survive the terror

This weekend marks your last chance to test your courage and see if you can conquer the horrors within. Whether you're a thrill-seeker or just looking to embrace the Halloween spirit, Mayhem Haunted House promises an unforgettable night of fear and adrenaline.

10/29/2025

🎃 It’s the FINAL weekend of the 2025 haunt season at Mayhem Haunted House! 👻
We’ll be set up and serving from 6:30–11:30 PM this Friday and Saturday, so come get your spooky sip before the season ends!

🍺 Beer – $4
• Busch Light
• Coors Light
• Michelob Ultra

🥂 Carbliss – $5
• Variety of flavors

🍹 Good Boys – $5
• Variety of flavors

🧃 Mocktails – $5
• Non-alcoholic & delicious options

💳 We accept: cash, card, Apple Pay, and tap payments.
💵 No bills over $20 will be accepted.

⚠️ If you’re buying alcohol, have your ID ready.
We can’t accept pictures of IDs, and it must be removed from your wallet or phone case.

Come scream, sip, and celebrate the end of haunt season with us at the Bougie Barrel! 🖤

10/29/2025

10/29/2025

Here is a chance to come check us out. Please go to original post to like -comment on & share Wapello County Expo Board

Who wants to win a FREE 4 pack of tickets to the Mayhem Haunted House in Ottumwa?! Simply LIKE-COMMENT ON & SHARE this post for your chance to win! Contest starts…now! Good luck! 👻

10/28/2025

Sounds like Ottumwa is serving up a frightfully fun finale this weekend! 🎃 Here's your perfect plan for a spooky-good time:

- 👻 Mayhem Haunted House: It's your last chance to scream, laugh, and get your adrenaline pumping. Don't miss the final weekend of thrills!
- 🍖 Five Hawgs BBQ: Fuel up with smoky, savory goodness—ribs, brisket, and all the fixings.
- 🍿 Tim and Suzy Kettle Popcorn: Sweet, crunchy, and nostalgic—perfect for munching between scares.
- ☕ Coffee Cruiser: Warm up with a cozy latte or your favorite brew to keep the energy going.
- 🍹 Bougie Barrel: Cap off the night with a refreshing cold beverage—whether you're into mocktails or something stronger.

10/26/2025

🎃 Halloween Evening Schedule 👻
📍 Location: Mayhem Haunted House 13011 12OTH Avenue Ottumwa, IA 52501
📅 Date: October 31st Halloween night

7:00 PM – 8:30 PM
✨ Lighted Tour
Enjoy a spooky stroll with a few friendly haunters handing out candy (while supplies last).
💵 Admission: $10

9:00 PM – Midnight
💀 FULL HAUNT
Brace yourself for the full scare experience!
💵 Admission: $15