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

West Widsor Branch Mercer County Library System

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 609.799.0462 West Windsor Branch