The firefighter was hospitalized with what were characterized as minor injuries following the mayday call on Henry Street, they said.
The three-alarm blaze broke out on the second floor of the unoccupied, 2½-story home before quickly extending shortly after 7 p.m.
Firefighters had it knocked down in under an hour.
The cause wasn't immediately determined.
CHECK BACK FOR MORE DETAILS
ALL PHOTOS: Damien Danis for DAILY VOICE
******
ALSO SEE (w/photos): Firefighters responding to a call found the second floor and basement of a Ridgefield multi-family home fully involved Monday afternoon. Part of the roof collapsed soon after.
******
Click here to follow Daily Voice Fair Lawn-Glen Rock and receive free news updates.