LEED is green building
LEED, or Leadership in Energy and Environmental Design, is the most widely used green building rating system in the world. Available for virtually all building, community and home project types, LEED provides a framework to create healthy, highly efficient and cost-saving green buildings. LEED certification is a globally recognized symbol of sustainability achievement.

2.2 million +
square feet is LEED certified every day with more than 92,000 projects using LEED.

Flexible
LEED works for all building types anywhere. LEED is in over 165 countries and territories.

Sustainable
LEED buildings save energy, water, resources, generate less waste and support human health.

Value
LEED buildings attract tenants, cost less to operate and boost employee productivity and retention.
See how LEED works, explore current LEED projects and learn why green buildings matter for economic growth.
Sign up for our monthly LEED update
Looking for more? Explore our LEED credit library.
A LEED for every project
LEED works for all buildings anywhere, regardless of where they are in their life cycle. From hospitals to data centers, from historical buildings to those still in the design phase, there’s a LEED for every type of building project.
BD+C
Building Design and Construction
Applies to buildings that are being newly constructed or going through a major renovation; includes New Construction, Core & Shell, Schools, Retail, Hospitality, Data Centers, Warehouses & Distribution Centers, and Healthcare. Learn more.
LEED v4 BD+C rating system PDF / LEED v4 BD+C scorecard / Reference guide overview
ID+C
Interior Design and Construction
Applies to projects that are a complete interior fit-out; includes Commercial Interiors, Retail and Hospitality. Learn more.
LEED v4 ID+C rating system PDF / LEED v4 ID+C scorecard / Reference guide overview
O+M
Building Operations and Maintenance
Applies to existing buildings that are undergoing improvement work or little to no construction; includes Existing Buildings, Schools, Retail, Hospitality, Data Centers, and Warehouses & Distribution Centers. Learn more.
LEED v4 O+M rating system PDF / LEED v4 O+M scorecard / Reference guide overview
ND
Neighborhood Development
Applies to new land development projects or redevelopment projects containing residential uses, nonresidential uses, or a mix. Projects can be at any stage of the development process, from conceptual planning to construction; includes Plan and Built Project. Learn more.
LEED v4 ND rating system PDF / LEED v4 ND scorecard / Reference guide overview
Homes
Applies to single family homes, low-rise multi-family (one to three stories), or mid-rise multi-family (four to six stories); includes Homes and Multifamily Lowrise and Multifamily Midrise. Learn more.
LEED v4 Homes rating system PDF / LEED v4 Homes scorecard / Reference guide overview
Cities and Communities
Applies to entire cities and sub-sections of a city. Using the Arc performance platform, LEED for Cities projects can measure and manage their city’s water consumption, energy use, waste, transportation and human experience. Learn more.
LEED for Cities Pilot scorecard / Guide to LEED Certification: Cities and Communities Pilot
Achieve better buildings with LEED
Projects pursuing LEED certification earn points across several categories, including energy use and air quality. Based on the number of points achieved, a project then earns one of four LEED rating levels: Certified, Silver, Gold or Platinum.

Certified
40-49 points earned

Silver
50-59 points earned

Gold
60-79 points earned

Platinum
80+ points earned
The process is designed to inspire project teams to seek innovative solutions that support public health and our environment, while saving building owners money over a project’s life cycle. Here's how to get started:
Each LEED rating system groups requirements that address the unique needs of different building and project types.
- For LEED v4: Discover LEED to determine which rating system is the best fit and then follow up by reading the Selection Guidance to make sure you've made the right choice.
- For LEED 2009: Use our other Selection Guidance to choose between the available LEED 2009 rating systems.
Make sure to check out the Minimum Program Requirements to know if your project is eligible for LEED certification.
We strive to make the LEED customer experience the best it can be. Our Certification Guides lead projects through the LEED process under each rating system, starting from registration to certification.
Prerequisites are the green building standards every project must meet. Credits allow project teams to customize how they pursue certification. By fulfilling credits, projects earn points that determine its certification level: Certified (40-49 points), Silver (50-59 points), Gold (60-79 points) and Platinum (80+).
- Learn more about credits and prerequisites
- Explore the LEED Credit Library
- Learn how LEED addresses different topics in green building
We have developed a set of LEED Reference Guides for each rating system to help project teams understand each credit and prerequisite. We also have built a comprehensive online toolkit, which includes key supplemental material for LEED projects like addenda and sample forms.
Now you're ready to begin:
- Register your project on LEED Online
- Prepare documentation
- Submit
- Accept certification or ask questions
- And celebrate your success
Browse other LEED-certified projects Stay informed about LEED
Got a question?
We're here to help. Explore our Help Center for LEED FAQs, or contact our customer service team.