100+ Free LEED AP O+M Practice Questions
Pass your LEED AP Operations + Maintenance exam on the first try — instant access, no signup required.
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Key Facts: LEED AP O+M Exam
100
Exam Questions
GBCI
2 hrs
Test Time
GBCI
170+
Passing Score (out of 300)
GBCI
$250-350
Exam Fee
GBCI
75+
Min ENERGY STAR Score
LEED O+M
2 yr
Credential Validity
GBCI
The LEED AP O+M exam has a 65-70% pass rate for prepared first-time takers. The 100-question computer-based exam is 2 hours long with a $250-350 fee. A scaled score of 170+ (out of 300) is required. The exam covers sustainable operations of existing buildings including energy performance (ENERGY STAR), water efficiency, IEQ, green cleaning, and waste management.
About the LEED AP O+M Exam
The LEED AP O+M credential demonstrates expertise in the sustainable operations and maintenance of existing buildings using the LEED O+M rating system. Candidates must understand energy performance optimization, water efficiency, indoor environmental quality, green cleaning, waste management, and ongoing commissioning — all focused on improving sustainability during the operational phase of a building's lifecycle.
Assessment
100 multiple-choice questions covering LEED O+M categories: Energy & Atmosphere, Water Efficiency, IEQ, Materials & Resources, and Sustainable Sites
Time Limit
2 hours
Passing Score
170+ scaled score (out of 300)
Exam Fee
$250 combined ($350 stand-alone) (GBCI (Green Business Certification Inc.))
LEED AP O+M Exam Content Outline
Energy & Atmosphere
ENERGY STAR benchmarking, ongoing commissioning, renewable energy, demand response, and refrigerant management
Water Efficiency
Indoor water reduction, outdoor water management, cooling tower water use, process water, and metering
Indoor Environmental Quality
IAQ management, green cleaning, thermal comfort, lighting, acoustics, occupant surveys, and ventilation
Materials & Resources
Sustainable purchasing, waste management, facility alterations, electronics, and hazardous waste
Sustainable Sites & Transportation
Site management, alternative transportation, heat island, light pollution, stormwater, and exterior maintenance
How to Pass the LEED AP O+M Exam
What You Need to Know
- Passing score: 170+ scaled score (out of 300)
- Assessment: 100 multiple-choice questions covering LEED O+M categories: Energy & Atmosphere, Water Efficiency, IEQ, Materials & Resources, and Sustainable Sites
- Time limit: 2 hours
- Exam fee: $250 combined ($350 stand-alone)
Keys to Passing
- Complete 500+ practice questions
- Score 80%+ consistently before scheduling
- Focus on highest-weighted sections
- Use our AI tutor for tough concepts
LEED AP O+M Study Tips from Top Performers
Frequently Asked Questions
What is the LEED AP O+M exam?
The LEED AP O+M exam is a specialty credential for professionals in sustainable operations and maintenance of existing buildings, administered by GBCI.
How many questions are on the LEED AP O+M exam?
The exam has 100 multiple-choice questions to be completed in 2 hours.
What score do I need to pass the LEED AP O+M exam?
You need a scaled score of 170 or higher out of 300 to pass the LEED AP O+M exam.
Do I need LEED Green Associate before taking LEED AP O+M?
Yes, you must hold an active LEED Green Associate credential to register for the stand-alone O+M specialty exam, or you can take the combined LEED GA + O+M exam.
How does LEED AP O+M differ from LEED AP BD+C?
LEED AP O+M focuses on existing building operations and maintenance, while BD+C focuses on new building design and construction. O+M uses actual performance data over 12+ months.
What is the ENERGY STAR score required by LEED O+M?
LEED O+M requires a minimum ENERGY STAR score of 75 as a prerequisite, meaning the building must outperform at least 75% of similar buildings.
Can I take the LEED AP O+M exam remotely?
Yes, the stand-alone specialty exam can be taken at Prometric test centers or via ProProctor online. The combined exam is test-center only.