Haunted Houses in Washington

We list 3 haunted houses in Maple Valley, Mountlake Terrace, and Seattle. 2 have posted 2026 dates, hours, or a season update, shown with each listing.

Haunted Houses listings in Washington

Town or cityAll towns and citiesMaple ValleyMountlake TerraceSeattle

Season dates overlap this weekendUses posted opening and closing dates. Daily hours, tickets, and availability still need checking with the venue.

3 of 3 listings shown

Show map (1 locations)

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Haunted Forest of Maple Valley

Maple Valley, WA

2026 dates not posted

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Nile Nightmares Haunted House

Mountlake Terrace, WA

2026 season: Oct 2 – Oct 31

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Georgetown Morgue

Seattle, WA

2026 season: Sep 25 – Nov 7

Compare all 3 listings and 2026 season details

All haunted houses in Washington

Listing	City	Also offers	2026 season
Haunted Forest of Maple Valley	Maple Valley		2026 dates not posted
Nile Nightmares Haunted House	Mountlake Terrace		2026 season: Oct 2 – Oct 31
Georgetown Morgue	Seattle		2026 season: Sep 25 – Nov 7

Posted dates and hours come from official sources. They describe the 2026 season; confirm daily schedules and availability before visiting.

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1 Haunted House in Seattle, Washington

1 Haunted House in Mountlake Terrace, Washington

1 Haunted House in Maple Valley, Washington