A 47-year-old mom was stabbed to death in the hallway of her Harlem apartment building early Monday, police said.

The victim was stabbed all over her body in a third-floor hallway of the six-story building on W. 129th St. near St. Nicholas Terrace about 4:25 a.m., cops said. She was confronted by the killer when she got off the elevator on her floor, according to police sources.

A 47-year-old woman was stabbed to death in the third-floor hallway of her Harlem apartment building on W. 129th St. near St. Nicholas Terrace in Manhattan on Monday, Nov. 10, 2025. (Theodore Parisienne / New York Daily News)A 47-year-old woman was stabbed to death in the third-floor hallway of her Harlem apartment building on W. 129th St. near St. Nicholas Terrace early Monday. (Theodore Parisienne / New York Daily News)

The building’s super said the victim was a mother of four, with two of her kids, ages 7 and 14, still living at home and two adult sons who live elsewhere.

The victim shared the apartment with her mother, with the family living in the building for decades.

A 47-year-old woman was stabbed to death in the third-floor hallway of her Harlem apartment building on W. 129th St. near St. Nicholas Terrace in Manhattan on Monday, Nov. 10, 2025. (Theodore Parisienne / New York Daily News)A 47-year-old woman was stabbed to death in the third-floor hallway of her Harlem apartment building on W. 129th St. near St. Nicholas Terrace early Monday. (Theodore Parisienne / New York Daily News)

“She was a very nice person,” the distraught super said.

“I knew her for a long time. Her mother used to watch my son when my son was little.”

A 47-year-old woman was stabbed to death in the third-floor hallway of her Harlem apartment building on W. 129th St. near St. Nicholas Terrace in Manhattan on Monday, Nov. 10, 2025. (Theodore Parisienne / New York Daily News)A 47-year-old woman was stabbed to death in the third-floor hallway of her Harlem apartment building on W. 129th St. near St. Nicholas Terrace early Monday. (Theodore Parisienne / New York Daily News)

The super watched surveillance video showing the slaying but declined to describe what he saw to reporters.

“I saw her on the cameras when the problem happened,” he said. “I don’t want to talk about that.”

A 47-year-old woman was stabbed to death in the third-floor hallway of her Harlem apartment building on W. 129th St. near St. Nicholas Terrace in Manhattan on Monday, Nov. 10, 2025. (Theodore Parisienne / New York Daily News)A 47-year-old woman was stabbed to death in the third-floor hallway of her Harlem apartment building on W. 129th St. near St. Nicholas Terrace early Monday. (Theodore Parisienne / New York Daily News)

Medics rushed her to Mount Sinai Morningside but she could not be saved. Her name was not immediately released.

Her killer got away and has not been caught.

A 47-year-old woman was stabbed to death in the third-floor hallway of her Harlem apartment building on W. 129th St. near St. Nicholas Terrace in Manhattan on Monday, Nov. 10, 2025. (Theodore Parisienne / New York Daily News)A 47-year-old woman was stabbed to death in the third-floor hallway of her Harlem apartment building on W. 129th St. near St. Nicholas Terrace early Monday. (Theodore Parisienne / New York Daily News)

Neighbors described the building as a safe haven until Monday’s slaying.

“Very nice,” longtime sixth-floor resident Ella Thomas, 76, said of the building. “Nothing here has happened like this. Never.”