# LEED Candidate Handbooks
COPYRIGHT 2026 Green Business Certification Inc.
Information in the candidate handbook represents current policies and procedures for GBCI’s Credential Maintenance Program. Information in the candidate handbook supersedes the information contained in any previously published handbooks. All information and guidelines are subject to change.
Please read and understand the entire candidate handbook, including all policies, procedures, and consequences.
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## **About Green Building Certification Inc. (GBCI)**
GBCI is the world’s leading sustainability and health certification and credentialing body, independently recognizing excellence in performance and practice globally while promoting adoption of building and business practices that continually and measurably improve health, equity, resilience and environmental wellbeing for all. GBCI administers project certifications and professional credentials and certificates including, Leadership in Energy and Environmental Design ([LEED](https://www.usgbc.org/leed)) green building rating systems, as well as the [PEER](https://peer.gbci.org/) standard for power systems, the Sustainable SITES Initiative ([SITES](https://www.sustainablesites.org/)), [EDGE](https://edge.gbci.org/) (Excellence in Design for Greater Efficiencies), [TRUE](https://true.gbci.org/) certification for zero waste and Investor Confidence Project ([ICP](https://www.eeperformance.org/)) for energy efficiency retrofits.
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## Contact
### Green Business Certification Inc.
2101 L Street NW, Suite 600, Washington, DC 20037 | [gbci.org](http://www.gbci.org/)
[USGBC’s website](https://www.usgbc.org/) is available 24 hours per day for exam application and registration, information regarding LEED professional exams and access to your account.
[GBCI staff](https://gbci.org/contact) are available for questions, comments, and concerns regarding certificates, LEED professional exam records, USGBC or CaGBC member pricing refunds, exam content appeals, exam development, exam scoring, exam format and all other LEED professional exam policies and procedures, please don’t hesitate to reach out using our contact us form: [gbci.org/contact](https://gbci.org/contact).
**Call Center:** 1-800-795-1746 (within the US) or +1-202-742-3792 (outside the US)
GBCI’s call center is available Monday through Friday from 9:00 to 17:30 ET for questions regarding exam registration,
[USGBC or CaGBC member pricing](https://www.usgbc.org/membership), your [Credentials](https://www.usgbc.org/user/login?destination=/account/credentials) account, the [LEED Professional Directory](https://www.usgbc.org/people) and [LEED professional exams](https://www.usgbc.org/credentials). Please review the [Credentialing FAQs](https://support.usgbc.org/hc/en-us/p/leed-credentials) in the Help Center for any other questions.
### Prometric
1501 South Clinton Street, Canton Crossing Tower, 14th Floor, Baltimore, MD 21224 | [prometric.com/gbci](https://www.prometric.com/gbci)
[Prometric’s website](https://www.prometric.com/gbci) is available for scheduling, rescheduling, canceling and confirming exam appointments 24 hours per day. Please see
Registration for more information.
View the list of [Prometric Call Centers](https://www.prometric.com/gbci) for regional numbers to schedule, reschedule, or cancel your exam, or for general information.
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