Mercer County Clerks Office

County / State

240 West State St. Fl 6, Trenton, NJ 08608

Please arrive a half hour before closing; WED HOURS (EXCLUDING HOLIDAYS)

Hours and addresses come from the State Department listing, updated November 2, 2026.

Directions Facilities in Trenton Facilities in New Jersey

Mercer County Clerks Office accepts new U.S. passport applications in person in Trenton, NJ. Call ahead about appointments and the acceptance fee. The USPS scheduler covers post offices only. How to apply · How to renew

Other facilities in Trenton

Downtown Station Post Office Trenton Main Post Office