With the ongoing concerns regarding Covid-19, NJSDA’s staff is primarily working in the field. Prior to visiting SDA offices, please call to ensure that we can most effectively respond to your needs.

SDA Main Number: 609-943-5955

schools@njsda.gov - For project related information
community@njsda.gov – For community relations information
dobusinesswithus@njsda.gov – For business engagement questions

All mail and packages should be delivered to the SDA's Front Street Headquarters.

Front Street Headquarters
Mailing Address: Post Office Box 991, Trenton, NJ 08625-0991
Package Delivery Address: 32 East Front Street, Trenton, NJ 08625
Phone: 609-943-5955
Map     Directions

Key Contacts:

Customer Service - Requests to the Customer Service Center should be initiated for any questions you may have about the SDA.
(609) 341-5900

Media Inquiries
Edythe Maier
(609) 858-2909

Open Public Records Act
(609) 858-5102

(609) 858-2985

SDA Prequalification
(609) 858-5356

Subcontractor Approval
(609) 858-5366

Human Resources
(609) 858-5327

(609) 858-5113

Office of State Comptroller/Investigations Division Confidential Hotline
(855) 672-8477