Calls seeking comment from the Taunton fire and police departments were not immediately returned.
Sina Botelho, who lives around the corner on Bryant Street, said she clearly remembers it happened just before Thanksgiving.
The woman, police said, was concerned the fire was an arson attempt “especially (since) several surrounding houses have apparently been set on fire in the past year.”
Another fire in late 2015 damaged the apartment house at 207 High St., located next to 209 High St.
Nearly a dozen adults and children were displaced and have yet to move back in, she said.