Sinister Sanctum

Dates and times are subject to change — please confirm on the official listing before you go.

Sinister Sanctum is a community home haunt or yard display in Santee. The attraction is included in the 2026 California Halloween inventory, but its current-year operating dates still require organizer confirmation. Published listing features include Free Parking, Touching Not Allowed. The source describes the audience guidance as All ages expected. Pop Up LA editorial scare level: 2/5. Dates: 2026 dates pending. Hours: Schedule varies; confirm before visiting. Location: Sinister Sanctum, 10042 Timberlane way, Santee, CA. Admission: Check source listing. Pop Up LA scare level: 2/5. Confirm current availability and ticket terms on the official event page before travel.