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 customers.

Have a question? We’re here to help.

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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