A Queens woman suspected of being the mom who abandoned her newborn at a Manhattan subway station was arrested and charged Wednesday, police said.

Assa Diawara, 30, allegedly admitted to ditching her newborn — with her umbilical cord still attached — at the 34th Street-Penn Station stop in Midtown Monday morning, sources told The Post.

Diawara was arrested near her home in Jamaica around 3 a.m. Wednesday and charged with abandonment of a child and endangering the welfare of a child.

The arrest came a day after the NYPD released video of the suspect walking down the sidewalk holding a cloth-wrapped bundle in her arms near the subway station shortly after 9 a.m. Monday.

The baby was left on the floor in a bundle of blankets on the 1 train platform, police said.

Diawara was picked up by a driver near West 34th Street around 9:22 a.m. — minutes before the abandoned infant was reported to police — and was driven back to Jamaica, sources said.

The baby, who was conscious and alert, was taken by police in a cruiser to Bellevue Hospital in stable condition.

Diawara was arrested after neighbors confirmed that a resident of one apartment building appeared to be the woman in the NYPD appeal, sources said.

Her landlord, Bobby, told The Post he called Diawara Tuesday at the African grocery store where she worked and confronted her after the NYPD’s photo spread, but Diawara claimed she hadn’t been pregnant.

“I said, ‘Are you pregnant?’ She said, ‘Daddy, I’m not pregnant. I live by myself,” he recalled her saying

“’I don’t have any boyfriend.’ I sent her the picture and said ‘It looks like you.’ She said, ‘Daddy, please it’s not me.’ I told her to go home and take care of the problem and she said she’ll go home when she closed [the store]”

Referring to an elderly man or woman as daddy or auntie is customary in African culture in a show of respect, said Bobby, who is based in New Jersey.

Diawara lived in Bobby’s basement apartment for 18 months, he said. Neither he nor his daughter, who also lives at the Queens address, ever had an issue with her, he added,

While Bobby, 62, said a worker at the grocery store, Africarib Bazaar, was unaware she was apparently pregnant when he called the market following her arrest, the property owner’s daughter could tell she was carrying a child.

Bobby said his daughter told him, “I could tell she was pregnant but I never ask her anything. She’s older than me.”

A patron at the store was “shocked” to learn she was charged with leaving a child behind.

“I saw her last week. She never looked like she was pregnant,” the regular customer told The Post. “I’m shocked! Are you sure it’s her?”

While in police custody, she confessed to birthing the baby girl and leaving her at the train station, police sources said.

Under New York state’s Abandoned Infant Protection Act, parents can legally give up babies under 30 days old anonymously and without prosecution as long as the infant is left with an appropriate person or location like a hospital or a staffed firehouse.

Bobby, who did not want to give his last name, called Diawara’s alleged actions “unbelievable” and a “big mistake.”

“If she gave the child to me, I’d have taken it. I’m African. She’s from Africa. If they [authorities] give me the baby right now, I’ll take it,” he said.

Diawara remained mum and appeared nervous while wearing a matching sweatsuit with the phrase “good vibes only” on her pants during her Manhattan arraignment around midnight.

She was freed from custody on the lowest level of supervised release as requested by prosecutors.

Diawara, who appeared to be limping, has no criminal record outside of Monday’s incident, according to her defense attorney, Javier Damien.

She hid her face in a hood and bolted from the courthouse after being set free, declining to answer questions from any reporters.

Diawara will return to court on Dec. 8th.

Additional reporting by Marie Pohl.