This event is in the past.It took place on October 19, 2025 at Scottish Rite Masonic Center.
Themed Night
Themed NightSinister Halloween Con
October 19 at 12:30pm
At Scottish Rite Masonic Center
West Portal, San Francisco
Step into a world of eerie delights at Sinister Halloween Con, where horror enthusiasts gather to celebrate the macabre. This ghoulish event at the mysterious Scottish Rite Masonic Center promises a day of spine-tingling fun and frightful festivities.
Horror convention
Halloween event
Costume party
Spooky atmosphere
Themed NightThemed NightSinister Halloween Con
October 19 at 12:30pm
At Scottish Rite Masonic Center
West Portal, San Francisco
Step into a world of eerie delights at Sinister Halloween Con, where horror enthusiasts gather to celebrate the macabre. This ghoulish event at the mysterious Scottish Rite Masonic Center promises a day of spine-tingling fun and frightful festivities.
Horror convention
Halloween event
Costume party
Spooky atmosphere