Customer support

GBCI’s support team provides expert technical answers to the quickly expanding green building industry supporting certification and credentialing, and ensuring a streamlined experience for

Have a question? We’re here to help.

By phone

We are available for calls Monday through Friday from 9 a.m. to 5:30 p.m. Eastern time.

Within the United States: 1-800-795-1746
Outside the United States: 1-202-828-1145

By mail

via United States Postal Service (USPS): P.O. Box 822964, Philadelphia, PA 19182-2964
via Courier (such as FedEx, UPS, DHL), PNC Bank: Lockbox #822964, Route 38 & East Gate Drive, Moorestown, NJ 08057

Regional contacts

Lopamudra Khanna, Associate Director - Operations, [email protected]
610, Tower A, Spaze i-Tech Park, Sohna Road, Sector 49, Gurgaon, HR - 122018