Your LEED certification toolkit and expert forum

LEEDuser helps you successfully complete your LEED project certification with tips, checklists, sample documentation, forums, and more.

Looking for help on a specific LEED credit? Browse for it here, or review all of the credits and prerequisites in these LEED rating systems:

  • LEED-NC: New Construction v2.2,
  • LEED-NC: New Construction v2009,
  • LEED-CS: Core and Shell v2009,
  • LEED-CI: Commercial Interiors v2009,
  • LEED-Schools v2009,
  • LEED-EBOM: Existing Buildings Operation and Maintenance v2009.
  • See all LEED version 4 (LEED v4) rating systems.
  • See all versions of all LEED rating systems.
  • Discussion Forum

    There are discussions happening on pages across this site, right in the thick of our content. If you don't find your topic, you can start your own discussion.

    Title Comments Most Recent Post
    RE: Site Assessment documentation
    in Pilot Credit 45: Site Assessment
    14 Theresa Backhus
    Sites Technical Specialist, LEED
    USGBC
    Tue, Jul 29, 2014
    RE: Combining Option 2 and Option 3
    in NC 2009 SSc4.1: Alternative Transportation—Public Transportation Access
    193 Meghan Ward
    Architectural Technologist, Sustainable Design Consultant
    Aurecon South Africa
    Tue, Jul 29, 2014
    RE: Revised Section 1 4 Tables
    in NC 2009 EAp2: Minimum Energy Performance
    2,264 Marcus Sheffer
    LEED Fellow
    7group
    Tue, Jul 29, 2014
    RE: Data centre and office
    in CI 2009 EAc1.3: Optimize Energy Performance—HVAC
    317 Chilufya Lombe
    Sustainability Consultant
    Solid Green Consulting
    Tue, Jul 29, 2014
    Snow Melt
    in EBOM 2009 SSc2: Building Exterior and Hardscape Management Plan
    100 Elizabeth Felder
    Tue, Jul 29, 2014
    RE: Daylight for CS v2.0
    in CS 2009 IEQc8.1: Daylight and Views—Daylight
    91 Todd Reed
    Daylight Designer
    7group
    Tue, Jul 29, 2014
    RE: Bicycle paths for Kindergarten
    in Schools 2009 SSc4.2: Alternative Transportation—Bicycle Storage and Changing Rooms
    38 Charalampos Giannikopoulos
    Tue, Jul 29, 2014
    RE: Timeline for review
    in LEED Reviews: LEED Online, Appeals, Design/Construction Submittals, and more
    547 Charles Nepps
    Tue, Jul 29, 2014
    RE: Discrepancy material price from budget and actual cost
    in NC 2009 MRc4: Recycled Content
    422 Amit Ahiel
    Tue, Jul 29, 2014
    RE: ASTM Comparison
    in CS 2009 IEQc4.2: Low-Emitting Materials—Paints and Coatings
    81 Jon Clifford
    LEED-AP BD+C
    GREENSQUARE ∙ Sustainability ∙ Construction ∙ Specifications
    Mon, Jul 28, 2014
    RE: Contractor CoC
    in CS 2009 MRc6: Certified Wood
    30 Jon Clifford
    LEED-AP BD+C
    GREENSQUARE ∙ Sustainability ∙ Construction ∙ Specifications
    Mon, Jul 28, 2014
    RE: Square Footage is based on Gross or Net Area?
    in NC v2.2 MRp1: Storage and Collection of Recyclables
    6 Jon Clifford
    LEED-AP BD+C
    GREENSQUARE ∙ Sustainability ∙ Construction ∙ Specifications
    Mon, Jul 28, 2014
    RE: no parking
    in NC-v4: Reduced parking footprint
    2 David Posada
    Sustainability Manager
    GBD Architects
    Mon, Jul 28, 2014
    RE: Number of workstations for Hotel rooms
    in NC 2009 IEQc6.1: Controllability of Systems—Lighting
    281 Lauren Sparandara
    Sustainability Manager
    Google
    Mon, Jul 28, 2014
    RE: Bus Stops
    in NC-v4: Access to quality transit
    2 David Posada
    Sustainability Manager
    GBD Architects
    Mon, Jul 28, 2014
    Title Comments Most Recent Post
    RE: Legacy LEED AP
    in Healthcare-v4: LEED Accredited Professional
    2 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Mon, Jan 27, 2014
    Data Center location restrictions
    in Data Centers-NC-v4: Surrounding density and diverse uses
    1 Charalampos Giannikopoulos
    Sat, Jan 25, 2014
    RE: Where are the V4 forms?
    in NC-v4: Storage and collection of recyclables
    2 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Thu, Jan 23, 2014
    Pilot Credit 34 Update
    in Pilot Credit 34: Design for Adaptability
    10 Sandy Chung
    Senior Associate, Senior Designer
    TCA Architects
    Wed, Jan 22, 2014
    waste management by bedroom vs sf
    in Homes-v4: Construction waste management
    1 Elizabeth Eason
    principal architect
    Elizabeth Eason Architecture LLC
    Wed, Jan 22, 2014
    RE: Case for existing parking
    in ND-v2009: Reduced parking footprint
    6 Eliot Allen
    AICP, LEED AP-ND, CNU-A
    Principal, Criterion Planners LEED Faculty, LP TAG
    Fri, Jan 17, 2014
    Low-Emitting and Fuel-Efficient Bus and Maintenance Fleet
    in Schools 2009 SSc4.3: Alternative Transportation—Low-Emitting and Fuel-Efficient Vehicles
    43 Mary Petrovich
    Senior Sustainability Associate
    Center for Maximum Potential Building Systems
    Thu, Jan 16, 2014
    Concepts
    in Healthcare-v2009: Water use reduction - measurement and verification
    9 Alicia Silva
    CEO
    Revitaliza consultores
    Wed, Jan 15, 2014
    RE: Calculating unobstructed operable window area of top hung window
    in NC v2.2 EQc6.2: Controllability of Systems—Thermal Comfort
    67 Dylan Connelly
    Mechanical Engineer
    Integral Group
    Tue, Jan 14, 2014
    RE: Bank
    in Schools 2009 SSc2: Development Density and Community Connectivity
    14 Todd Bundren
    Director of Sustainabilty - Architectural Project Manager
    Lawrence Group
    Tue, Jan 14, 2014
    RE: 100-year flood and nonconveyance area of river
    in ND-v2009: Floodplain avoidance
    13 Regina Ng
    Mon, Jan 13, 2014
    RE: Private versus public lavs
    in Healthcare-v2009: Water use reduction
    11 Mara Baum
    Healthcare Sustainable Design Leader, LEED Fellow
    HOK
    Thu, Jan 9, 2014
    RE: Calculating Concrete
    in Healthcare-v2009: Sustainably sourced materials and products
    60 Susan Walter
    Sr Project Architect
    Wilmot/Sanz
    Thu, Jan 9, 2014
    RE: Bicycle Facilities credit - required bike lane width
    in NC-v4: Bicycle facilities
    2 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Thu, Jan 9, 2014
    RE: Reduce the development footprint
    in NC v2.2 SSc5.2: Site Development—Maximize Open Space
    33 Ellen Mitchell
    Sustainable Design Manager
    HKS, Inc.
    Thu, Jan 9, 2014
    RE: Terrazzo and on-site assembly
    in NC v2.2 MRc5: Regional Materials
    117 Jon Clifford
    LEED-AP BD+C
    GREENSQUARE ∙ Sustainability ∙ Construction ∙ Specifications
    Thu, Jan 9, 2014
    RE: Existing bicycle network
    in ND-v2009: Bicycle network and storage
    9 Regina Ng
    Thu, Jan 9, 2014
    RE: CO2 sensors in duct work
    in Schools 2009 IEQc1: Outdoor Air Delivery Monitoring
    11 Kathryn West
    LEED AP BD+C, O+M, Green Globes Professional, Guiding Principles Compliance Professional
    Energy Ace
    Wed, Jan 8, 2014
    RE: storage without reusing
    in NC v2.2 SSc6.1: Stormwater Design—Quantity Control
    41 Michael DeVuono
    Senior Staff Designer
    T&M Associates
    Tue, Jan 7, 2014
    RE: LEED CS - credit 4.1
    in CS 2009 SSc4.1: Alternative Transportation—Public Transportation Access
    21 K KRAFT
    Thu, Jan 2, 2014
    Title Comments Most Recent Post
    RE: LEED-NC
    in Advice for buildings to be constructed in phases
    2 Dean Barone
    President
    Barone International
    Mon, Aug 16, 2010
    LEED validity for D&C systems
    in LEED Certification validity period
    1 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Mon, Aug 16, 2010
    RE: contact GBCI
    in Change the registration information
    2 Fabio Frescia
    Sustainable Engineer
    Tue, Aug 10, 2010
    EAc1 forum
    in ASHRAE 2004 - versus ASHRAE 2007 - 90.1 Standard
    1 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Tue, Aug 10, 2010
    RE: Re: Additional Building Added in Middle of Project
    in Additional Building Added in Middle of Project
    2 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Tue, Aug 10, 2010
    RE: kitchen facilities and LEED rating system selection
    in Definition of Residential
    2 Larry Jones
    Associate
    Atelier Ten
    Fri, Aug 6, 2010
    LEED-CI credits on a LEED-EBOM project
    in Combined LEED EBO&M with LEED ID+C
    1 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Fri, Aug 6, 2010
    Paperless Submittals - by Bruce Maine
    Thu, Aug 5, 2010
    tenant scope
    in Which area applies to a CI certification, especially according to shared (non-rented) areas
    1 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Thu, Aug 5, 2010
    RE: LEED Reference Guide
    in Reference Guide
    2 Paul C
    Tue, Aug 3, 2010
    upgrading to LEED 2012 and fees
    in Project Registration
    1 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Tue, Aug 3, 2010
    Hopefully eliminating the CBs will raise the quality of reviews
    in Clarification overkill
    1 Nadav Malin
    USGBC LEED Faculty, President
    BuildingGreen, Inc.
    Mon, Aug 2, 2010
    RE: RE: residential high rise: leed rating system selection
    in residential high rise: leed rating system selection
    4 stefano sani
    Fri, Jul 30, 2010
    a good thing but not a LEED thing
    in Possible points for reducing project scope?
    1 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Thu, Jul 29, 2010
    RE: KEMA Services
    in Recommendations for companies that perform ASHRAE Level I Energy Audit around the Sacramento area?
    2 Andy Rhoades
    Partner
    Leading Edge Consulting
    Tue, Jul 27, 2010
    RE: good question
    in credit stats
    2 Natesan Seshagiri
    Architect
    Tue, Jul 27, 2010
    EBOM changes explored in more depth
    in July 2010 LEED Addenda Published by USGBC
    17 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Tue, Jul 27, 2010
    RE: Construction phase
    in Changes after Design Submittal
    2 Scott Bowman
    Owner - Building Sage
    Integrated Design + Energy Advisors, LLC
    Tue, Jul 27, 2010
    RE: Manufactured Offices?
    in ASHRAE 90.1- 2.3
    2 Jun Hashimoto
    RLA, LEED-AP
    Mon, Jul 26, 2010
    RE: Length of construction project
    in EBOM or NC? When is it too late to utilize the NC rating system?
    2 Thomas Boyd
    MEP Construction Manager
    Tonn and Blank Construction, LLC
    Sat, Jul 24, 2010
    Title Votes Comments Most Recent Post
    RE: Smoking area in retail area
    in NC 2009 IEQp2: Environmental Tobacco Smoke (ETS) Control
    84 247 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Fri, Sep 10, 2010
    RE: Cost of Certification
    in Understanding the Cost of LEED-NC Project Certification
    84 72 John Amatruda
    Principal
    Vidaris, Inc.
    Thu, Apr 12, 2012
    RE: Calculating FTEs
    in Calculating FTEs
    84 182 David Posada
    Sustainability Manager
    GBD Architects
    Tue, Aug 3, 2010
    RE: 100% WATER CONSUMPTION FROM TREATED HARVESTED RAIN WATER
    in EBOM 2009 WEc2: Additional Indoor Plumbing Fixture and Fitting Efficiency
    83 51 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Wed, Sep 29, 2010
    RE: Documented benefits as a result of LEED for Existing Buildings
    in LEED-EBOM: Eight Steps to Success
    83 31 Dan Ackerstein
    Principal
    Ackerstein Sustainability, LLC
    Thu, Aug 5, 2010
    RE: EAc2.1 and EAc2.2 performance periods and compliance
    in EBOM 2009 EAc2.2: Existing Building Commissioning—Implementation
    83 32 Pierce Holstrom
    Director of Engineering
    Environmental Building Strategies
    Tue, Sep 28, 2010
    RE: recycled content calc question
    in NC v2.2 MRc4: Recycled Content
    83 148 Nadav Malin
    USGBC LEED Faculty, President
    BuildingGreen, Inc.
    Wed, Aug 24, 2011
    RE: Precast concrete for LEED
    in NC v2.2 MRc4: Recycled Content
    83 148 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Sun, Dec 18, 2011
    RE: Monthly Commingled Diversion Rate Regulatory Requirements
    in NC v2.2 MRc2: Construction Waste Management
    83 110 SERA Architects
    SERA Architects
    Wed, May 11, 2011
    RE: light pollution reduction for ' interiors of a resort building'
    in EBOM 2009 SSc8: Light Pollution Reduction
    83 103 ZEB Tech singapore
    ESD Consultancy
    ZEB-Technology Pte Ltd
    Fri, Aug 13, 2010
    Design Storm Interval
    in EBOM 2009 SSc6: Stormwater Quantity Control
    83 60 Simon S.
    SL+A International, Taipei
    Thu, Sep 9, 2010
    RE: Outside of the US
    in CS 2009 EAc6: Green Power
    83 68 Billy Ng
    Mon, Aug 30, 2010
    RE: Surfaces
    in EBOM 2009 SSc7.1: Heat Island Reduction—Nonroof
    83 52 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Mon, Mar 15, 2010
    Permanent entryways on the roof
    in CS 2009 IEQc5: Indoor Chemical and Pollutant Source Control
    83 85 Omar Katanani
    Thu, Sep 23, 2010
    RE: Acoustic performance as an ID path for LEED CI
    in CI 2009 IDc1: Innovation in Design
    83 137 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Thu, Aug 12, 2010
    RE: other providers
    in 10 Tips for Passing the LEED Green Associate Exam
    83 57 Kathryn West
    LEED AP BD+C, O+M, Green Globes Professional, Guiding Principles Compliance Professional
    Energy Ace
    Thu, Sep 26, 2013
    RE: Is it worth it? Maybe.
    in NC 2009 MRc7: Certified Wood
    83 351 Nadav Malin
    USGBC LEED Faculty, President
    BuildingGreen, Inc.
    Thu, Oct 15, 2009
    Reporting Recycling
    in NC 2009 MRc2: Construction Waste Management
    83 323 Samantha Nourse
    Architectural Coordinator
    Perini Management Services, Inc.
    Wed, Nov 28, 2012
    RE: What is the correct way to find the width of the street?
    in Pilot Credit 14: Walkable Streets
    83 74 Chris Marshall
    Manager, LEED Technical Development
    U.S. Green Building Council
    Thu, Apr 7, 2011
    Centralized Storage Area
    in NC 2009 MRp1: Storage and Collection of Recyclables
    83 56 Kenneth Bailey
    Owner
    Bativert
    Sat, Feb 26, 2011
    Title Comments Most Recent Post
    Water Efficient Landscaping
    in NC 2009 WEc1: Water Efficient Landscaping
    344 Sundararaj Subburaman
    Director
    Ecopro Design Consultancy Private Limited
    Tue, May 14, 2013
    PI Form 3 occupancy question, transient student vs retail
    in PIf3: Occupant and Usage Data
    184 Mike Stopka
    Director of Sustainability
    Solomon Cordwell Buenz
    Mon, May 13, 2013
    WEc1 Water Efficient Landscaping
    in NC 2009 WEc1: Water Efficient Landscaping
    344 Brian Kelly
    Project Designer
    UED
    Fri, May 10, 2013
    Private Bus Service
    in NC 2009 SSc4.1: Alternative Transportation—Public Transportation Access
    193 Daniel R Gutierrez
    Project Architect
    INGETEC
    Thu, May 9, 2013
    Calculating "Projection Factor" for curtainwall shading devices
    in CS 2009 EAp2: Minimum Energy Performance
    800 Amit Ahiel
    Thu, May 9, 2013
    LEED Signage for display inside Gold certified office building
    in Start a New LEED Discussion Topic
    114 Jeff Zunt
    THORSON BAKER & Associates, Inc
    Sun, May 5, 2013
    Amendnment to existing Lease Agreement
    in PIf5: Building System Control
    10 Jay Murray
    LEED Administrator
    Commercial Construction Consulting
    Wed, May 1, 2013
    Pilot Credit 10
    in Pilot Credit 10: Sustainable Wastewater Management
    54 Alicia Silva
    CEO
    Revitaliza consultores
    Tue, Apr 30, 2013
    Cistern doesn't fulfull need, but there is no-potable backup
    in NC 2009 WEc1: Water Efficient Landscaping
    344 Sarah Picking
    Tue, Apr 30, 2013
    Questions
    in Pilot Credit 10: Sustainable Wastewater Management
    54 Lolita Wu
    Sun, Apr 28, 2013
    Pilot Credit 10
    in Pilot Credit 10: Sustainable Wastewater Management
    54 Alicia Silva
    CEO
    Revitaliza consultores
    Fri, Apr 26, 2013
    Average Pressure Differential Calculation - Underground Parking
    in CS 2009 IEQc5: Indoor Chemical and Pollutant Source Control
    85 Nathan Lee
    Project Engineer
    SGS Korea
    Fri, Apr 26, 2013
    Greywater recirculated
    in NC 2009 WEp1: Water Use Reduction—20% Reduction
    581 MM K
    Thu, Apr 25, 2013
    invidually buildings ceritifcation vs multiple buildings/ campus
    in New LEED Guidance for Campuses and Multiple Buildings
    489 Muhammad Faisal Azizullah Jaffar
    Sustainability Consultant
    Ramboll
    Wed, Apr 24, 2013
    WEc2 vs. Pilot Credit 10
    in Pilot Credit 10: Sustainable Wastewater Management
    54 Jiri Dobias
    Tue, Apr 23, 2013
    EAp2/EAc1 - Case 2 Option 2b
    in EBOM 2009 EAp2: Minimum Energy Efficiency Performance
    451 Peter Locke
    Sustainability Consulting Director
    McKinstry
    Fri, Apr 19, 2013
    Interior vegetation
    in NC 2009 WEc1: Water Efficient Landscaping
    344 Albert Sagrera
    Architect
    Societat Organica
    Fri, Apr 19, 2013
    suspiciously high savings in auxillary power
    in CS 2009 EAc1: Optimize Energy Performance
    252 shashank jain
    Environmental Analyst
    BDSP Partnership
    Fri, Apr 19, 2013
    Cafeteria/Training Room: Regurlarly Occupied Area?
    in PIf3: Occupant and Usage Data
    184 Alejandro Rivera Rivera
    Sustainability Coordinator
    Studio Domus
    Thu, Apr 18, 2013
    Spaces smaller than 3000ft2
    in Vestibules in 90.1-2007 and LEED 3.0 Projects
    12 Emmanuel Pauwels
    Owner
    Green Living Projects s.l.
    Tue, Apr 16, 2013

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