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: LED Lamps - efficiency of mercury containing counterparts?
    in EBOM 2009 MRc4: Sustainable Purchasing—Reduced Mercury in Lamps
    142 Brian Salazar
    President, LEED AP BD+C
    Entegra Development & Investment, LLC
    Thu, Jul 24, 2014
    RE: Who provides for the submeters?
    in CS 2009 EAc5.2: Measurement and Verification—Tenant Submetering
    79 Courtney Royal, LEED AP BD+C
    Sr. Sustainability Consultant
    Taitem Engineering
    Thu, Jul 24, 2014
    RE: lab sink, kitchenette sink and shower water calculation rate
    in NC 2009 WEp1: Water Use Reduction—20% Reduction
    579 Charles Nepps
    Thu, Jul 24, 2014
    RE: Kindergarten restooms w/ no occupancy sensor-OK or huge problem?
    in NC 2009 EAp2: Minimum Energy Performance
    2,260 CAMILLE JACKSON
    Thu, Jul 24, 2014
    RE: Portland Cement
    in NC 2009 MRc5: Regional Materials
    250 Rezkar Abdulmajeed
    Architect/LEED AP
    7D ASSOCIATES
    Thu, Jul 24, 2014
    RE: Urinals and Water Closets
    in EBOM 2009 MRc8: Solid Waste Management—Durable Goods
    42 Kristina Bach
    Thu, Jul 24, 2014
    RE: Fixed grandstand seating
    in CI 2009 IEQc4.5: Low-Emitting Materials—Systems Furniture and Seating
    127 Akos Brandecker
    Sustainability Manager
    ISG
    Thu, Jul 24, 2014
    RE: EBOM review timeline
    in LEED Reviews: LEED Online, Appeals, Design/Construction Submittals, and more
    545 Michael Smithing
    Director - Green Building Advisory
    Colliers International
    Thu, Jul 24, 2014
    Meaning of ABS in trip reduction calculations
    in ND-v2009: Transportation demand management
    3 Noriko Yasuhara
    CSR Design & Landscape Co., Ltd.
    Wed, Jul 23, 2014
    RE: LEED AP BD+C V4
    in Experience Requirement Loosened for LEED v4 AP Exam
    12 Filipe Boni
    Brain
    Wed, Jul 23, 2014
    RE: Blower door test for 1 in 7 of each room model
    in NC 2009 IEQp2: Environmental Tobacco Smoke (ETS) Control
    246 Nadia Ayala
    Architect / LEED AP BD+C
    KILTIK Consultoría
    Wed, Jul 23, 2014
    RE: are mixed use projects allowed?
    in NC 2009 IEQc7.2: Thermal Comfort—Verification
    91 Nadia Ayala
    Architect / LEED AP BD+C
    KILTIK Consultoría
    Wed, Jul 23, 2014
    RE: SSpc14 - Walkable project site
    in Pilot Credit 14: Walkable Streets
    74 Monica Landreth
    Wed, Jul 23, 2014
    RE: Should I include all services and all residential developments?
    in How to Document SSc2 with Map Data
    43 Jaclyn Noga
    Environmental Intern
    EHRA, LLC
    Wed, Jul 23, 2014
    RE: DHW percentages for retail
    in CS 2009 EAp2: Minimum Energy Performance
    800 Marcus Sheffer
    LEED Fellow
    7group
    Wed, Jul 23, 2014
    Title Comments Most Recent Post
    RE: FSC Wood type and certification
    in CS 2009 MRc6: Certified Wood
    28 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Tue, Jan 21, 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
    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 / Construction Specifier
    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: WE p1 requirement for Industrial shell building
    in CS 2009 WEp1: Water Use Reduction—20% Reduction
    184 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Tue, Jan 7, 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
    RE: Timing of the post occupancy commissioning
    in CS-2009 EAc3: Enhanced Commissioning
    32 Scott Bowman
    Owner - Building Sage
    Integrated Design + Energy Advisors, LLC
    Thu, Jan 2, 2014
    Allocating Tenant Plumbing Systems to Core & Shell
    in CS 2009 WEc3: Water Use Reduction
    13 Emmanuel Gee
    Project Architect
    Buell Kratzer Powell
    Mon, Dec 30, 2013
    RE: Shuttle distance to light rail station
    in NC v2.2 SSc4.1: Alternative Transportation—Public Transportation Access
    25 Sheryl Swartzle
    LEED administration
    TLC Engineering for Architecture
    Tue, Dec 24, 2013
    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: Is it worth it? Maybe.
    in NC 2009 MRc7: Certified Wood
    83 353 Nadav Malin
    USGBC LEED Faculty, President
    BuildingGreen, Inc.
    Thu, Oct 15, 2009
    Appeal Fees Up
    in Understanding the Cost of LEED-NC Project Certification
    83 71 Devon Bertram
    Sustainability Manager
    YR&G
    Fri, Sep 23, 2011
    RE: Cost of Certification
    in Understanding the Cost of LEED-NC Project Certification
    83 71 John Amatruda
    Principal
    Vidaris, Inc.
    Thu, Apr 12, 2012
    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
    Permanent entryways on the roof
    in CS 2009 IEQc5: Indoor Chemical and Pollutant Source Control
    83 85 Omar Katanani
    Thu, Sep 23, 2010
    RE: Outside of the US
    in CS 2009 EAc6: Green Power
    83 68 Mark LaCroix
    EVP
    The CarbonNeutral Company
    Mon, Aug 30, 2010
    Design Storm Interval
    in EBOM 2009 SSc6: Stormwater Quantity Control
    83 60 Simon S.
    SL+A International, Taipei
    Thu, Sep 9, 2010
    RE: Animal based products
    in NC 2009 MRc6: Rapidly Renewable Materials
    83 48 Lauren Sparandara
    Sustainability Manager
    Google
    Mon, Aug 30, 2010
    Centralized Storage Area
    in NC 2009 MRp1: Storage and Collection of Recyclables
    83 54 Kenneth Bailey
    Owner
    Bativert
    Sat, Feb 26, 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
    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: 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: 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: Base Line Budget and Change Orders
    in NC v2.2 MRc6: Rapidly Renewable Materials
    83 25 Babette Jee
    Fri, Aug 20, 2010
    RE: 100% WATER CONSUMPTION FROM TREATED HARVESTED RAIN WATER
    in EBOM 2009 WEc2: Additional Indoor Plumbing Fixture and Fitting Efficiency
    83 51 ZEB Tech singapore
    ESD Consultancy
    ZEB-Technology Pte Ltd
    Thu, Jul 29, 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: Solid Surface Materials; Quartz, Corian, etc. claiming Regional
    in NC 2009 MRc5: Regional Materials
    82 250 Jennifer Preston
    Thu, Sep 16, 2010
    Facade lighting
    in NC 2009 SSc8: Light Pollution Reduction
    82 529 Jens Apel
    Fri, Mar 15, 2013
    RE: Fruits & Vegetables?
    in NC 2009 SSc5.1: Site Development—Protect or Restore Habitat
    82 199 Mara Baum
    Healthcare Sustainable Design Leader
    HOK
    Thu, Aug 12, 2010
    RE: Roof Parapet
    in CS 2009 SSc7.2: Heat Island Effect—Roof
    82 94 Jim Weiner, AIA
    principal
    collaborative project consulting
    Thu, Sep 23, 2010
    Title Comments Most Recent Post
    Universal Design
    in Pilot Credit 34: Design for Adaptability
    10 USGBC IP Account
    Fri, Oct 4, 2013
    Challenges logging into forum
    in Pilot Credit 24: Acoustics
    28 deborah lucking
    associate
    fentress architects
    Wed, Sep 25, 2013
    Industry Scare Tactics
    in Does LEED v4 Ban PVC?
    11 Andrew Ellsworth
    Ellsworth Building Portfolio Services
    Mon, Sep 23, 2013
    Modeling a Commercial Kitchen
    in NC 2009 EAp2: Minimum Energy Performance
    2,260 September Silvers
    Senior Mechanical Engineer
    Mussett, Nicholas & Associates
    Mon, Sep 23, 2013
    Well Said - Not All PVCs are Equal - Good Decisions are Required
    in Does LEED v4 Ban PVC?
    11 Louise Schlatter
    Architect
    SSOE Group
    Mon, Sep 23, 2013
    LEEDuser template updated
    in EBOM 2009 SSc2: Building Exterior and Hardscape Management Plan
    99 Tristan Roberts
    LEED AP BD+C, Editorial Director – LEEDuser
    BuildingGreen, Inc.
    Tue, Sep 17, 2013
    Remediating to "residential (unrestricted) use"
    in Healthcare-v2009: Environmental site assessment
    6 Kathy Wislocky
    Project Manager
    Isgenuity LLC
    Thu, Sep 12, 2013
    Core performance path
    in NC 2009 EAc1: Optimize Energy Performance
    1,057 Jatuwat Varodompun
    Dr
    Green Building Soultion
    Sat, Sep 7, 2013
    LEED Scorecard Forms
    in Scorecard
    6 Clara Simon
    Sustainability Manager
    University of Washington - Capital Projects Office
    Fri, Sep 6, 2013
    SSc6 - Site Improvement Plan
    in EBOM-v4: Site improvement plan
    1 Levi Jimenez
    Project Manager
    BuildingWise
    Fri, Sep 6, 2013
    BREEAM and LEED
    in BREEAM Equivalency for LEED Projects
    1 Emily Rhee
    Fri, Sep 6, 2013
    Australian equivalent of fuel-efficient vehicles
    in NC 2009 SSc4.3: Alternative Transportation—Low-Emitting and Fuel-Efficient Vehicles
    335 Mary Haw
    Senior ESD Consultant
    Cundall
    Wed, Sep 4, 2013
    Minimum IAQ Requirement: Ashrae 62.1 vs. Ashrae 170
    in CS-2009 IEQp1: Minimum IAQ Performance
    125 Daniel Joseph
    GLHOMES
    Thu, Aug 29, 2013
    Pressure and flow rates
    in NC 2009 WEp1: Water Use Reduction—20% Reduction
    579 MM K
    Thu, Aug 29, 2013
    Flush out in tropical climate region (Climate Zone 1)
    in NC 2009 IEQc3.2: Construction Indoor Air Quality Management Plan—Before Occupancy
    241 Adi Negara, LEED AP BD+C
    Green Building Facilitator
    PT. Indonesia Environment Consultant
    Thu, Aug 29, 2013
    EAp2 Sample L4 Narrative
    in CS 2009 EAp2: Minimum Energy Performance
    800 Thomas Newbold
    Wed, Aug 21, 2013
    Plenum Zones
    in NC 2009 EAc1: Optimize Energy Performance
    1,057 Rosana Correa
    Director
    Casa do Futuro
    Mon, Aug 19, 2013
    What requirements apply?
    in Pilot Credit 66: Community Contaminant Prevention—Airborne Releases
    9 Patrick Salmon
    EIT, LEED AP BD+C
    Highland Associates
    Thu, Aug 15, 2013
    What was your LEED deliverable after the site assessment?
    in Healthcare-v2009: Environmental site assessment
    6 Jill DeMarotta
    Interior Designer
    Gresham Smith and Partners
    Tue, Aug 13, 2013
    Streamlined Signatures
    in Required Signatories in LEED Online Forms
    66 Kathryn West
    LEED AP BD+C, O+M, Green Globes Professional, Guiding Principles Compliance Professional
    Energy Ace
    Mon, Aug 12, 2013

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