September 30, 2026 | 10:04 am
★ Featured Event
Step into the historic Stimson-Green Mansion for this new immersive experience! In a world of glamour, mystery, and murder, it’s the Billionaires’ Club Annual Masquerade Ball. When a masked killer strikes, it’s up to you and your fellow guests to unmask the...
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October 1, 2026 | 7:30 pm
Together with Historic Seattle and Humanities Washington, we are pleased to continue our historic lecture series, “Historic Talks in Historic Buildings.” The series brings public programs into historic places across Seattle—places rich with history and meaning—while highlighting the voices and scholarship shaping...
Read MoreOctober 7, 2026 | 7:30 pm
Join us for a night of harrowing stories, written by local horror writers! Presented by the Washington Trust for Historic Preservation and the Horror Writers Association Seattle Chapter, local horror writers will take over Stimson-Green for an evening filled with twisted tales,...
Read MoreOctober 8, 2026 | 7:30 pm
Join us for a night of spooky trivia at the historic Stimson-Green Mansion! We’re bringing you some of the best trivia in town hosted by Head in the Clouds Pop-Up Trivia, founded by two “Jeopardy!” champions. Grab your friends, don a costume, and...
Read MoreOctober 9, 2026 | 5:30 pm
Mark your calendars for Friday, October 9 from 5:30-7:00 pm for the Washington Trust’s Annual Members Meeting! This is your chance to reconnect with preservation friends from across the state with a fun, informal happy hour. Washington Trust staff will share details...
Read MoreOctober 14, 2026 | 7:30 pm
In celebration of spooky season, we are thrilled to welcome magician David Hirata back to the Stimson-Green Mansion! “Listening in the Dark: Stories of American Spiritualism from 1848-1926,” presented by David Hirata The table rises though no one is touching it. The...
Read MoreOctober 22, 2026 | 7:00 pm
Join us for a cozy evening of silent reading in this historic mansion! Bring your books, knitting, journals, sketchbooks, chessboard, or any other quiet activity and enjoy them in the quiet company of others. We’ll have live piano in our historic library...
Read MoreOctober 27, 2026 | 3:00 pm
The Washington Trust offers regular public tours of the Stimson-Green Mansion and arranges private group and educational tours for students of all ages. Our tours provide insights into the architectural character and interior design features of one of Seattle’s most impressive examples of...
Read MoreOctober 27, 2026 | 7:30 pm
In celebration of spooky season, we are thrilled to welcome magician David Hirata back to the Stimson-Green Mansion! “Listening in the Dark: Stories of American Spiritualism from 1848-1926,” presented by David Hirata The table rises though no one is touching it. The...
Read MoreOctober 29, 2026 | 7:00 pm
The Stimson-Green Mansion has its own fair share of ghostly inhabitants. At the ripe old age of 125 years old, how could it not? But as anyone who’s worked here will tell you, the Mansion’s ghosts are all friendly… mostly. On this...
Read MoreOctober 29, 2026 | 8:30 pm
The Stimson-Green Mansion has its own fair share of ghostly inhabitants. At the ripe old age of 125 years old, how could it not? But as anyone who’s worked here will tell you, the Mansion’s ghosts are all friendly… mostly. On this...
Read MoreNovember 5, 2026 | 7:30 pm
Together with Historic Seattle and Humanities Washington, we are pleased to continue our historic lecture series, “Historic Talks in Historic Buildings.” The series brings public programs into historic places across Seattle—places rich with history and meaning—while highlighting the voices and scholarship shaping...
Read MoreDecember 2, 2026 | 7:30 pm
We are thrilled to welcome the Thursday Collective back to the Stimson-Green Mansion! Come out for a night of jazz with this six-piece band performing in our historic Library all dressed up for the winter holidays. A Seattle-based collaborative effort conceived by...
Read MoreOctober 23, 2026 | 7:30 pm
Step into the historic Stimson-Green Mansion for this new immersive experience! In a world of glamour, mystery, and murder, it’s the Billionaires’ Club Annual Masquerade Ball. When a masked killer strikes, it’s up to you and your fellow guests to unmask the...
Read More
