Recorded as local legend, not as proven fact. Names, dates, and buildings are real; the haunting is the story people keep telling.
Thornewood Castle is in Lakewood, on American Lake. It is not in Seattle. The distinction matters because television spent an evening pretending otherwise. Chester Thorne (1863–1927) made his money in the Port of Tacoma and the National Bank of Tacoma. He hired Kirtland Cutter, imported fifteenth-century English brick, began the house in 1908, spent four years and about a million dollars, and set it on roughly a hundred acres with an Olmsted garden. That is a Gilded Age sentence and it is all true.
Anna Thorne is the woman in the garden in the lore. Chester is the man in an old room who unscrews bulbs. Those are house stories. Current owners have said the place is not haunted. That statement belongs in the same paragraph as the bulbs. Owners of a reservation-only estate in a private neighborhood have reasons to dampen October, and they also have the keys. Both things can be true.
In 2002 ABC broadcast Stephen King’s Rose Red, a fictional Rimbauer mansion that Disney paid to help restore Thornewood for, then matted onto I-5 as if it were a Seattle house. The film is a plot about a hungry building. The building is a Lakewood house with a garden. People still arrive with the movie in their heads and the wrong city in their GPS. The owners’ “not haunted” is partly an answer to that traffic.
The tale circulated through the miniseries, then backward into the Thornes, then through Tacoma-Pierce haunt lists that needed a castle. Anna in the garden is a gentler figure than Rose Red’s appetite. She is also less documented as a ghost than as a woman who lived with a view of American Lake. Chester’s bulbs are a maintenance story with a name attached. Cutter’s English brick and the Olmsted garden are the reasons the camera wanted the house. Because the film used I-5 as if the house were in Seattle, strangers still show up in the wrong city. The current owners’ refusal is a sentence about a private neighborhood that takes reservations, not tickets at a gatehouse.
What is unknown is whether the family ever told these stories themselves, and whether any death on the property is the seed. The reservation book would show you who sleeps there. It will not show you Anna in the roses.
The neighborhood is private. The house is reservation only. American Lake is not a freeway shoulder in Seattle. If you go, you go as a guest of a live estate, not as an extra from 2002.