The building now widely known as the House of Death stands on West 10th Street in Greenwich Village, within one of Manhattan's best-preserved nineteenth-century residential neighborhoods. Constructed during the nineteenth century as a private townhouse, the property belonged to the affluent residential world that developed around Washington Square. Among families associated with the address were relatives of businessman and philanthropist James Boorman Johnston, whose family participated in New York's commercial and cultural life. The building was later converted from a single-family residence into multiple apartments in 1937.

The property's most famous historical resident was Samuel Langhorne Clemens, better known by the pen name Mark Twain. Clemens lived at 14 West 10th Street during 1900–1901, by which time he was already one of the best-known American writers of his generation. His residence at the address is documented history and later became central to the building's supernatural reputation. The much stronger claim that Clemens himself experienced paranormal activity in the house is less secure. A frequently repeated story says that he saw a piece of fireplace kindling move inexplicably, fired a pistol at it and discovered drops of blood without finding an animal or intruder. The anecdote appears extensively in modern haunting literature, but no corresponding Twain letter, diary entry or other contemporary documentation has been established in the sources currently reviewed.

The earliest recognizable apparition tradition presently associated with the building appears to involve a mother and daughter who reportedly lived there during the 1930s. In a story preserved through later accounts, one of them encountered an older white-haired figure near a window who identified himself as “Clemens” before disappearing. The episode became important to the later identification of Mark Twain as the house's signature ghost. Gothic.Black has not yet located a contemporary 1930s account of the encounter, however, so the date should presently be treated as the date claimed for the event rather than the date of its earliest known documentation.

The building's conversion into multiple apartments during the 1930s changed both its interior and the number of people passing through the property. Later accounts describe footsteps in apparently empty rooms, human figures, shadows, unusual sensations, moving objects and other unexplained experiences. Stories eventually accumulated around a supposed group of roughly twenty-two ghosts, although that number is repeated much more confidently in popular literature than the identities or documentary histories of twenty-two distinct apparitions can presently support. Gothic.Black therefore treats the number as part of the modern House of Death narrative rather than a verified census of separate reported entities.

The strongest individual contributor to the twentieth-century haunting tradition was writer and performer Jan Bryant Bartell, who moved into the property with her husband in 1957. Bartell reported unusual sensations, apparent presences, disturbing shadows and other experiences during the years she lived there. She subsequently documented those experiences in Spindrift: Spray from a Psychic Sea, published in 1974. Because Bartell left a substantial written account under her own name, her experiences occupy a different evidentiary position from anonymous stories later repeated by ghost-tour and paranormal websites. Her testimony establishes what she claimed to experience; it does not independently establish a supernatural explanation for those events.

Later paranormal literature expanded the building's alleged population beyond Twain. Reports include an unidentified woman in white, a child, an apparently spectral cat and shadow-like human forms. Some sources state that paranormal investigators also reported impressions or experiences corresponding with these traditions. The provenance of individual claims varies substantially, however, and repeated appearance in modern articles should not be mistaken for multiple independent witnesses. Establishing the earliest traceable version of each recurring apparition is necessary before treating these figures as separate long-running traditions.

A real tragedy occurred in the building in 1987 when six-year-old Lisa Steinberg was fatally assaulted by Joel Steinberg inside an apartment at the property. Police discovered Lisa critically injured along with another young child living under appalling conditions. Lisa died several days later, and Joel Steinberg was subsequently convicted of first-degree manslaughter. This crime is part of the documented history of the address, but it occurred decades after several important haunting accounts had already developed. It therefore should not be used retrospectively as the origin of the paranormal tradition.

The nickname “House of Death” itself deserves similar caution. Modern sources routinely apply the name to 14 West 10th Street and connect it with claims of numerous deaths, apparitions and the Steinberg case. What remains less clear is exactly when the nickname first entered documented public use. Establishing that date matters because a later name can easily be projected backward until it appears that residents in much earlier periods already knew the building by the same ominous reputation.

The architecture also complicates attempts to interpret reported experiences. The townhouse has been substantially altered from its nineteenth-century single-family configuration, particularly through conversion into multiple apartments. Interior walls, doors, plumbing, heating systems, neighboring residential activity and ordinary acoustic transmission through an old multi-unit structure provide potential conventional sources for footsteps, voices, movement and other ambiguous experiences. Exact historical floor plans would therefore be useful when comparing older accounts with the building's changing physical configuration.

The House of Death today remains an occupied private residence rather than a public museum or paranormal investigation site. Its exterior and historical identity may be widely documented, but current residents should not be treated as participants in the building's ghost tradition merely because they occupy a famous address. Gothic.Black therefore treats the property as a historical case requiring privacy-conscious map handling and does not encourage visits, investigation or attempts to contact occupants.

The case ultimately contains two records of very different strength. Mark Twain's residence, the building's nineteenth-century origins, its conversion to apartments, Jan Bryant Bartell's authorship and the 1987 Steinberg crime belong to the documented history of the property. The supposed Twain apparition, moving-kindling story, woman in white, multiple spirits and other supernatural claims rely primarily on later testimony and folklore whose individual origins remain uneven. The central research problem is determining how early each supernatural claim can actually be traced and how much of the familiar House of Death narrative emerged through later repetition rather than contemporary reporting.