Artistic rendering – Event may differ
Monster Mash Bash
Family-friendly Halloween bash with costume contest and games.
About
Get ready for a spooktacular evening at the Monster Mash Bash! This family-friendly Halloween event promises a night filled with frightful fun, including a thrilling costume contest, exciting games, and plenty of candy. Costumes are highly encouraged for all attendees looking to join the festive celebration.
Our Take
Scare Factor
Family Friendly
Best For
Families and children
Vibe
Festive and spooky
Energy Level
Moderate
Budget
$$
Photo Friendly
High
Weather Sensitivity
Low
Special Events & Promotions
- Free event entrance for RAC Members subsidized by a San Bruno Community Foundation Strategic Grant.
Always check the official website for the most current information.
We've done our best to keep details up-to-date, but event schedules, prices, and policies can change. For the latest updates, please visit the official website or contact the organizers directly.
Location
Event Details
Pricing
$$
Duration
3 hours
Ages
All ages (children 13 and under require an accompanying adult 18+)
Timed Entry
No
Organizer
City of San Bruno
Practical Information
Pet Policy
No pets allowed
Food & Drink
Candy and potentially other unspecified treats available.
Quick Actions
Tips & Advice
- Register by October 23rd to secure your spot and take advantage of pre-registration pricing; day-of entry is significantly higher.
- Consider arriving early, especially if you are not an RAC member, to ensure entry before capacity is reached.
- Encourage children to wear their most creative costumes to participate in the costume contest.
- While RAC members get free entry, all other attendees will pay a fee, so check membership status to plan your budget.
- Ensure an adult over 18 accompanies any children aged 13 and under for the duration of the event.
Frequently Asked Questions
What is the cost of admission?
Admission varies: RAC Members are free, San Bruno Non-Members are $12, Non-San Bruno Residents are $14, and children 2 and under are free. Day-of registration is $16 per person.
What time does the event start and end?
The Monster Mash Bash runs from 6:00 PM to 9:00 PM on Friday, October 24, 2025.
Are costumes required?
Costumes are strongly encouraged for all attendees to fully participate in the Halloween spirit and the costume contest.
What age restrictions are in place?
The event is family-friendly, but all children 13 years and under must be accompanied by an adult aged 18 or older.
Is there a deadline for registration?
Yes, the last day to register for the event is October 23rd. It is recommended to register in advance due to higher pricing on the day of the event.
