LEED AP O+M logo

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.

For Individuals
Environmental
Energy
Climate
Health

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

Professionals

Relevant Roles

Facility Manager
Consultant
Engineer
Auditor

Industries

Real Estate
Construction
Government
Education

Alignment & Recognition

Accrediting Body

Green Business Certification Inc. (GBCI)

Recognized By

  • LEED Rating System

Scope

Knowledge
Alignment with External Standard

How to Get CertifiedAI-synthesized

  1. 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.
  1. 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.
  1. 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.
  1. 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.
  1. 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).
  1. 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.
  1. 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.
  1. 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

Type

Accreditation

Regions
Global
Languages

English

Established

2009

Delivery Format

Online, Self-paced

Digital Badge

Available

Cost Breakdown

Registration / Initial$550
Renewal (every 24 mo)$50
First-year total$600

How to Use This Credential

Public Seal/Badge
Online Registry
LinkedIn Badge

Sources & Citations

Content on this page is AI-enriched from primary sources.

U.S. Green Building Council (USGBC)

Last verified Jun 5, 2026