LEED AP O+M
U.S. Green Building Council (USGBC)
Earn LEED certification for operating sustainable buildings.
The LEED AP O+M costs $550 USD, takes approximately 12 weeks, and requires around 80 hours of study. Renewal costs $50 USD every 24 months.
Key Strengths
- Globally recognized credential from the world's leading green building organization
- Demonstrates specialized expertise in sustainable building operations and maintenance
- Differentiates professionals in a competitive sustainability job market
- Aligns with LEED O+M rating system used by thousands of existing buildings worldwide
- Supports continuing education and professional development in green building
- Backed by USGBC, the most influential green building council globally
Ideal For
Best suited for facility managers, building operations professionals, and sustainability consultants who work with existing buildings and want to demonstrate expertise in LEED for Operations and Maintenance. Ideal for those seeking to advance their careers in green building operations, energy management, or sustainable facility management.
Target Audiences
Relevant Roles
Industries
Alignment & Recognition
Accrediting Body
Recognized By
- LEED Rating System
Scope
Overview
LEED (Leadership in Energy and Environmental Design) is a green building certification program developed by the US Green Building Council (USGBC). Launched in 1998, it aims to improve building efficiency and reduce environmental impacts. LEED ratings range from Certified to Platinum and apply to various project types, including homes, schools, and offices.
LEED O+M (Operation and Maintenance) specifically targets existing buildings, focusing on sustainable practices in maintenance, cleaning, and energy use.
For individuals, USGBC offers LEED accreditation, such as the LEED AP O+M credential, which signifies expertise in the O+M rating system. To become accredited, professionals must pass an exam.
Key clients include cities, schools, and Fortune 500 companies. IBM and Georgetown University are notable participants.
Statistics show over 100,000 LEED-certified projects worldwide, emphasizing its global reach and impact on sustainable building practices.
Requirements & Assessment
Evidence Requirements
Candidates must pass the LEED AP O+M specialty exam. Prior to sitting for the exam, candidates must hold a current LEED Green Associate credential or pass both the LEED Green Associate and LEED AP O+M specialty exams in a single session. Documentation of professional experience in building operations and maintenance is recommended but not formally required for exam eligibility.
Prerequisites
Assessment Process
The LEED AP O+M exam is administered by GBCI and consists of 100 scored multiple-choice questions plus 10 unscored pretest questions (110 total), with a 2-hour time limit. The exam covers the LEED for Building Operations and Maintenance rating system, including energy performance, water efficiency, indoor environmental quality, and sustainable operations. The passing score is approximately 170 out of 200. Candidates may retake the exam up to three times within a 12-month eligibility window, with a waiting period between attempts. Exams are delivered via Prometric testing centers or online proctoring.
Renewal & Maintenance
LEED AP O+M credential holders must earn 30 continuing education (CE) hours every two years to maintain their credential. At least 6 of those hours must be LEED-specific. Credential holders report their CE hours through the USGBC/GBCI credential maintenance portal and pay a maintenance fee at renewal. Failure to meet CE requirements results in credential suspension or revocation.
Continuing Education (CPE/CEU)
30 continuing education (CE) hours required every 2 years (24-month credential maintenance period). At least 6 hours must be LEED-specific CE. Eligible activities include USGBC/GBCI courses, approved third-party education, webinars, and events. Hours are self-reported through the GBCI credential maintenance portal.
Accountability Model
Impact & Outcomes
Salary & Market Value
LEED AP credential holders typically earn 10–20% more than non-credentialed peers in green building and sustainability roles. According to industry surveys, LEED APs in the U.S. report average salaries ranging from $75,000 to $110,000 depending on role and region, with the credential frequently cited as a factor in hiring decisions and promotions at firms pursuing LEED-certified projects.
Employer Recognition
Consider Alternatives If...
If you primarily work on new construction or building design, the LEED AP BD+C credential may be more relevant to your practice. Those without hands-on experience in building operations or facility management may find the exam content less applicable to their current role.
Alternative Programs
How to Get CertifiedAI-synthesized
- Earn the LEED Green Associate (prerequisite): Before pursuing the LEED AP O+M, you must hold a current LEED Green Associate credential (or pass both exams in a single session). If you don't already have it, begin there.
- Review the LEED AP O+M Candidate Handbook: Download the official GBCI Candidate Handbook, which outlines exam content domains, eligibility requirements, policies, and scheduling procedures.
- Study the LEED for Building Operations and Maintenance Reference Guide: This is the primary study resource. Focus on the O+M rating system credits, prerequisites, and performance metrics across all credit categories.
- Supplement with USGBC/GBCI courses and practice exams: USGBC offers official LEED AP O+M exam prep courses online. Third-party providers (e.g., GBES, Everblue) also offer study guides and practice tests that closely mirror the real exam.
- Register for the exam through GBCI: Create or log into your GBCI account, submit your application, pay the exam fee ($550 for non-members, $450 for USGBC members), and receive your eligibility window (one year to schedule and sit).
- Schedule your exam at a Prometric center or via online proctoring: Choose your preferred delivery method and book a date that gives you adequate preparation time.
- Sit for and pass the exam: Complete the 110-question exam (100 scored + 10 pretest) within the 2-hour time limit. A passing score is approximately 170 out of 200.
- Maintain your credential: After earning the LEED AP O+M, complete 30 CE hours every two years (at least 6 LEED-specific) and pay the renewal fee to keep your credential active.
What the Exam CoversAI-synthesized
The LEED AP O+M exam tests candidates' knowledge of the LEED for Building Operations and Maintenance (O+M) rating system, which is organized around several core credit categories. The exam is structured around two main content areas: LEED O+M Core Concepts and Issues (~46% of scored questions) and LEED O+M Rating System Application (~54% of scored questions).
Core credit categories assessed include: - Location and Transportation (LT): Sustainable site selection, access to transit, and reduced parking footprint for existing buildings. - Sustainable Sites (SS): Site management practices, light pollution reduction, heat island mitigation, and rainwater management. - Water Efficiency (WE): Indoor water use reduction, cooling tower water management, and water metering. - Energy and Atmosphere (EA): Energy performance benchmarking (ENERGY STAR), commissioning, refrigerant management, renewable energy, and demand response — typically the highest-weighted category. - Materials and Resources (MR): Sustainable purchasing policies, waste management, and facility maintenance products. - Indoor Environmental Quality (EQ): Green cleaning programs, integrated pest management, indoor air quality assessments, and occupant comfort surveys. - Innovation (IN): Exemplary performance and innovative strategies beyond standard credit requirements. - Regional Priority (RP): Credits that address geographically specific environmental priorities.
Candidates are also expected to understand LEED project administration processes, including registration, documentation, certification review, and the roles of project team members. Familiarity with ENERGY STAR Portfolio Manager, Arc performance platform, and ASHRAE standards referenced in O+M credits is strongly recommended.
Market Context & AdoptionAI-synthesized
The LEED AP O+M is one of the most recognized individual credentials in the green building and sustainable facility management space. Administered by GBCI and backed by USGBC — the organization that created the LEED rating system — the credential carries significant weight with employers in commercial real estate, property management, government, and higher education. LEED itself is used in over 180 countries, and the AP O+M designation is particularly valued in markets with large existing building portfolios, such as the U.S. federal government, corporate real estate, and university systems.
Demand for the credential has remained steady as the focus of the green building industry has shifted from new construction toward the decarbonization and performance improvement of existing buildings. The LEED O+M rating system — and by extension the AP O+M credential — is well-positioned to benefit from growing regulatory pressure around building performance standards (e.g., NYC Local Law 97, Washington D.C. BEPS), which require building owners to measure and reduce operational emissions. Facility managers and sustainability directors who can navigate LEED O+M certification are increasingly sought after.
Compared to alternatives like the Certified Energy Manager (CEM) or BOMA 360, the LEED AP O+M is more holistic, covering indoor environmental quality, materials, and site practices alongside energy. The WELL AP credential has grown in popularity as a complement (not a replacement), focusing on occupant health. The LEED AP O+M remains the dominant credential for professionals specifically working within the LEED certification ecosystem for existing buildings, though the broader sustainability credential market has become more crowded with specialized offerings over the past decade.
History & EvolutionAI-synthesized
The LEED AP O+M credential was established in 2009 as part of a major restructuring of the LEED professional credentialing system by USGBC and its credentialing arm, GBCI. Prior to 2009, LEED offered a single "LEED Accredited Professional" designation without specialization. The 2009 overhaul introduced a tiered system — LEED Green Associate at the foundational level and LEED AP with Specialty at the advanced level — with specialties aligned to specific LEED rating systems, including BD+C (Building Design and Construction), ID+C (Interior Design and Construction), ND (Neighborhood Development), Homes, and O+M (Operations and Maintenance). This restructuring was designed to ensure that LEED APs had demonstrated expertise in the specific rating system most relevant to their professional practice.
The O+M specialty reflects the growing importance of existing building performance in the sustainability movement. As the built environment matured and the focus shifted from constructing new green buildings to improving the operational efficiency of the existing stock, the LEED O+M rating system — and its associated credential — gained prominence. Over the years, GBCI has updated the exam content to align with successive versions of the LEED O+M rating system (v4, v4.1), incorporating evolving standards around energy benchmarking, water performance, and indoor air quality. The credential is now part of a broader GBCI portfolio that includes WELL AP, Parksmart, SITES AP, and others, reflecting the expansion of green building credentialing beyond LEED alone.
Frequently Asked Questions
Quick Facts
Accreditation
English
2009
Online, Self-paced
Available
Cost Breakdown
How to Use This Credential
Accreditation Details
Assessment
Proctoring
Verification
Structure
Governance
Fee Structure
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Green Classroom Professional
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LEED Building Operations and Maintenance (O+M)
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Sources & Citations
Content on this page is AI-enriched from primary sources.
U.S. Green Building Council (USGBC)Last verified Jun 5, 2026