A Brooklyn landlord was knifed to death and investigators are eyeing a tenant as a person of interest, cops said.

Mahuddin Mahumd, 57, was found with his throat slashed inside of a basement apartment he was renting out on McDonald Ave. near Avenue C in Kensington around 12:15 a.m. Tuesday, according to police.

A man who lives in the apartment is a person of interest and hasn’t been seen since the slaying, police sources said.

Mahumd was pronounced dead at the scene, cops said.

No arrests have been made.