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LEED-AP-O-M Exam Questions & Answers

LEED AP Operations + Maintenance  •  US Green Building Council

168 Questions 120 min Updated Sep 2026 99% Pass Rate
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Sample LEED-AP-O-M Questions

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Q2 MultipleChoice

In which of the following ways can a campus project using a Group Approach comply with Water Efficiency

Prerequisite, Building-Level Water Metering?

Q3 MultipleChoice

The minimum amount of renovation or new construction work required to qualify for Materials and Resources Credit, Purchasing - Facility Maintenance and Renovations is

Correct Answer: C
Explanation:

For the Materials and Resources Credit, Purchasing - Facility Maintenance and Renovations, there is no specified minimum amount of renovation or new construction work required. The project team determines what qualifies for this credit based on the scope of their project.

Q4 MultipleChoice

A new office building was LEED Gold certified, and the tenants have occupied the space for one month. The property manager would like to certify the building under LEED for Building Operations and Maintenance: Existing Buildings.

What program requirements apply?

Correct Answer: B
Explanation:

A new office building that has been LEED Gold certified and occupied for one month is immediately eligible to certify the building under LEED for Building Operations and Maintenance: Existing Buildings. The previous certification provides a baseline for sustainability performance, allowing the property manager to pursue further certification under the Operations and Maintenance category without any mandatory waiting period. Reference: LEED v5 O+M: Existing Buildings beta version

Q5 MultipleChoice

Landscape irrigation practices consume large quantities of potable water. By evaluating the project's outdoor water

budget and irrigation water demand early in the Establishment Period in Water Efficiency Credit, Outdoor Water Use

Reduction project teams will be able to

Correct Answer: C
Explanation:

Evaluating the project's outdoor water budget and irrigation water demand early in the Establishment Period in Water Efficiency Credit, Outdoor Water Use Reduction allows project teams to determine water use in landscape designs. This is because the outdoor water budget takes into account the water needs of the landscape, including plant types and climate conditions. By understanding this, teams can design landscapes that are water-efficient and meet the requirements for the Water Efficiency Credit.

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Frequently Asked Questions

The LEED AP Operations + Maintenance (O+M) credential is designed for professionals responsible for managing and operating existing buildings. This certification is ideal for facility managers, building operators, sustainability coordinators, and property managers who want to demonstrate expertise in maintaining LEED-certified buildings or implementing green operations practices.

Candidates must first pass the LEED Green Associate (GA) exam or hold an active LEED credential before sitting for the LEED-AP-O-M exam. Additionally, you need a minimum of 2,000 hours of professional experience in building operations and maintenance within the past 5 years, or 3,000 hours if you don't have a LEED credential.

The LEED-AP-O-M exam contains 120 multiple-choice questions and you have 3 hours to complete it. You must score at least 170 points out of 200 to pass, which equates to approximately 85% correct answers.

The exam covers LEED O+M rating system requirements including energy and atmosphere, water efficiency, indoor environmental quality, sustainable sites, and materials and resources. It also includes questions about building operations, maintenance best practices, and strategies for achieving LEED certification and recertification for existing buildings.

The exam fee is typically $350 for USGBC members and $450 for non-members. The LEED-AP-O-M credential is valid for 3 years, after which you must renew it by paying a renewal fee or retaking the exam to maintain your active status.
Exam Details
  • Exam CodeLEED-AP-O-M
  • VendorUS Green Building Council
  • Total Questions168
  • Duration120 min
  • LanguageEnglish
  • Last UpdatedSep 4, 2026
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