The Mercer County Clerk’s Office is located on the first floor of the Old Court House at:
209 South Broad St.
Trenton, NJ 08650
Room 100
(609) 989-6464

Clerk's Office Hours of Operation:

Elections Office, Recording
Monday through Friday
8:30 AM-4:30 PM
** Extended Hours for Vote By Mail **

Passport Services / Notary Public
Monday through Friday
8:00 AM-4:00 PM
Extended Hours Wednesdays until 6:30 PM*

Public Records Room
8:00 AM to 4:30 PM Monday through Friday
Extended Hours Wednesdays until 6:30 PM*

County Connection
Passport Hours
Monday, Wednesday & Friday 10 AM - 5:30 PM
Tuesday & Thursday 10 AM - 7:30 PM
Saturday 10 AM - 2:30 PM

Phone Directory

Elections: (609) 989-6494

Indexing: (609) 989-6476

Business Registrations: (609) 989-6469

Passport/County ID: (609) 989-6473

Recording: (609) 989-6466

Scanning: (609) 989-6485

Fax: (609) 989-1111

County Connection: (609) 890-9800

*There will be no Wednesday extended hours on the Wednesday before Thanksgiving, December 24 .