West Windsor Branch of the Mercer County Library System – Working Hours


Monday – Thursday 9:30am-9:00pm

Friday – 9:30am-5:00pm

Saturday – 9:30am-5:00pm

Sunday – 12:30am-5:00pm

(Note: No Sunday Hours June 1 to Labor Day). There is a FREE parking lot next to the library.


333 North Post Road
Princeton Junction, New Jersey 08550

West Windsor Branch