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Prepare for your LEED AP O+M Exam

Published on Posted in LEED

Congratulations on taking your first step toward earning your LEED AP O+M! The key to earning a LEED AP credential is a thorough understanding of green building, the LEED rating system and the ability to facilitate the certification process.

Access the candidate handbook for exam policies and procedures

The exam questions reflect Task Domains and Knowledge domains.

Planning to take the Green Associate exam at the same time as the LEED AP exam? Check out the exam prep for the Green Associate exam.

Task Domains: Task Domains reflect the tasks necessary to perform LEED safely and effectively.These include concepts such as LEED Project and Team Coordination, LEED Certification Process, Analyses Required for LEED Credits, and Advocacy and Education for Adoption for LEED Rating System.

  • LEED Project and Team Coordination (24%)
  • LEED Certification Process (28%)
  • Analyses Required for LEED Credits (37%)
  • Advocacy and Education for Adoption for LEED Rating System (11%)

Knowledge Domains: Knowledge Domains reflect the rating systems’ credit categories and what one needs to know.These include concepts such as LEED Process, Integrative Strategies, LEED credit categories, and Project Surroundings and Public Outreach.

  • LEED Process (12 questions)
  • Location and Transportation (5 questions)
  • Sustainable Sites (9 questions)
  • Water Efficiency (13 questions)
  • Energy and Atmosphere (21 questions)
  • Materials and Resources (10 questions)
  • Indoor Environmental Quality (15 questions)


The primary sources for the development of the LEED professional exams are the LEED rating systems. The following list of references is not meant to be comprehensive. When combined with the test specifications, the candidate has the material from which the exam is based.

This exam is designed to test the knowledge and skills necessary to participate in the design process, to support and encourage integrated design, and to streamline the application and certification process.

Please note: LEED professional exams are updated on July 1 of every year; this update incorporates LEED addenda published through January of the same year. Additionally, no exams will be offered from June 15-June 30 of each year.

Sample Questions

These sample questions were discarded in the process of creating items for the new LEED Green Associate exam. The items are provided for your convenience to allow you to better familiarize yourself with the format and general content of items on the exam. Correct answers are marked with an asterisk*.

  1. A project team wants to educate the facility manager on the installed building systems to improve indoor air quality. They want the facility manager to maintain the systems so that they will continue to function as intended. Which of the following should be provided to the facility manager?
    A. Vendor invoices for mechanical equipment
    B. Preventive maintenance plan for the building*
    C. As-built drawings and copies of material submittals
    D. A copy of the credit documentation for the credits that were approved through LEED Certification

  2. The design team and project owner decided not to pursue EA Credit, Enhanced Commissioning, but would hire a Commissioning Authority (CxA) to oversee the requirements for EA Prerequisite, Fundamental Commissioning andVerification. What is a required responsibility for the CxA to achieve the stated objective?
    A. Verify that training requirements are completed
    B. Develop system manual for commissioned systems
    C. Review contractor submittals for the commissioned system
    D. Verify installation and performance of commissioned systems*
USGBC Articles can be accessed in the USGBC app for iOS or Android on your iPhone, iPad or Android device.
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35 commentsLeave a comment

Marketing Engineer, Green Building Research Institute (GBRI)
Green Building Research Institute’s incredible Offer: Pay just $ 129.00/- for LEED AP O+M Exam Prep, which will include LEED Green Associate and LEED AP study guides, LIVE / On-Demand Webinars, 600+ practice questions, flashcards, memory charts, MP3 audio files, supplementary reference materials and mock exams. Use coupon code "apaug" to avail this amazing offer!
Does the online course provide access to the LEED O + M v4 Reference Guide ?
Marketing Engineer, Green Building Research Institute (GBRI)
Hi Rebecca, Yes this course provides access to the LEED O + M v4 Study Guide along with Practice exams, LIVE & Online on-demand access, Reference materials, Flash Cards, MP3 Audio Files and much more.
Sustainability Manager, Inpro Corporation
When will the LEED O+M v4 study guide be available for purchase?
LEED Specialist, U.S. Green Building Council
Unfortunately, there is no release date for a LEED O + M v4 Study Guide. At this time your best study material is the LEED O + M v4 Reference Guide (
LEED Specialist, U.S. Green Building Council
Green Building Services has just released a LEED AP O+M exam prep course:! Best of luck!
Is there a study guide available for the AP O+M?
Director of Sustainability @ GBRI, Green Building Research Institute (GBRI)
Hi Russ, as a USGBC Education Partner, GBRI has launched an All -inclusive LEED O+M Exam Prep Program that comes with self paced modules, study notes, practice tests, Mocks exams, flash cards, etc. You may attend the exam prep either live online, on-demand or in-person.
Director of LEED Support, U.S. Green Building Council
Thank you for your interest in the LEED O+M exam. Unfortunately, at this time, we do not have a LEED O+M v4 study guide available for purchase. In the meantime, it may be helpful to consult the LEED AP O+M candidate handbook which lists the specific references used to write the exam questions:
MEM Candidate at Yale School of Forestry
When is the anticipated release date for the official guidebook?
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