A woman was found dead in a Dorchester home Thursday afternoon, and her son is being charged with her murder.

Zackery Grandy, 22, of Dorchester, is expected to be arraigned in Dorchester District Court, according to Boston police.

Police were called to the area of 357 Columbia Road around 2:20 p.m. for an “unknown.” When officers arrived, they were brought inside where they found the woman, who was pronounced dead, police said.

Police did not identify the woman, and didn’t say how she died.