The style also has been called Carpenter Victorian to emphasize both the vertical, Italianate features and the skill of craftsmanship, believed to be the work of Edward Slocum, brother of the owner.

[4][5] The 1867 date is not supported by local newspaper reports as there was no dwelling on the land at this time, and Charles W. Slocum was still busy in other areas of the Pacific Northwest.

[9] The land for the original site was sold by Esther Short in 1849 to W. L. Stabler for $225, and the Slocums later purchased it for $700 for their family home in what was the "premier residential area" of old Vancouver.

[4] After seven years and an estimated 500,000 hours of volunteer work, the house finally satisfied city fire and safety codes in August 1974, and had already hosted 11 plays in the 60-seat theatre.

[11] In August 2019, the website for the Slocum House, which had previously advertised the site's availability for weddings, parties, and other gatherings, announced that it was "not accepting new events".