LEED v5 was officially balloted and approved by USGBC members in late spring, with the final rating system and initial reference guide released in May 2025. Additional tools and guidance followed throughout the year, including a major rollout of resources at Greenbuild in November 2025.
Now that project teams have had time to apply LEED v5 on real projects, patterns are emerging—particularly around embodied carbon, construction documentation, and material decision-making. Below is a streamlined breakdown of the construction-related updates in LEED v5, highlighting what’s new, what’s evolved, and what remains familiar.
Decarbonization Is the Throughline in LEED v5
Decarbonization—across materials and operations—is the defining priority of LEED v5. Electrification, energy efficiency, renewable integration, and carbon assessment are no longer peripheral strategies; they’re foundational, and required to reach LEED Platinum.
That shift shows up early through new prerequisites focused on planning and analysis, including climate resilience, human impact, embodied carbon, and zero-waste operations. While some of these sit upstream in design, construction teams are directly impacted through expanded material tracking, documentation rigor, and data quality expectations.
New Prerequisite: Quantify and Assess Embodied Carbon
One of the most consequential additions in LEED v5 is the new Quantify and Assess Embodied Carbon prerequisite.
Project teams must calculate the global warming potential (GWP) of major structure, enclosure, and hardscape materials. At a minimum, this includes materials that typically dominate embodied carbon impacts, such as concrete, asphalt, masonry, structural steel, insulation, aluminum, structural wood and composites, cladding, and glass.
Beyond quantification, teams must:
- Identify the top three embodied carbon contributors on the project, and
- Document how project-specific strategies were evaluated to reduce those impacts.
This prerequisite is intentionally baseline-only. No reductions are required. Instead, teams establish a defensible embodied carbon baseline using material takeoffs and EPD-based GWP values. Tools like EC3 or Green Badger’s embodied carbon functionality can accelerate this process by linking quantities to EPD data and clearly identifying carbon hot spots. From there, teams document strategies considered—such as alternative concrete mixes or lower-carbon steel—regardless of whether they were ultimately implemented.
New Credit: Reduced Embodied Carbon
The new Reduced Embodied Carbon credit builds directly on the prerequisite and offers three compliance pathways.
Option 1: Whole-Building Life-Cycle Assessment (WBLCA)
Up to six points are available for completing a WBLCA and demonstrating GWP reductions of up to 40%. This option evaluates all life-cycle stages—from manufacturing (A1–A3) through construction, use, end of life, and beyond-boundary impacts—and requires comprehensive LCA software.
Option 2: Project-Wide EPD-Based Reduction
This option avoids a full WBLCA but requires product-specific EPD analysis across project materials. Points are awarded based on reductions relative to established baselines.
Option 3: Targeted Structure and Enclosure Reduction
Option 3 focuses only on structure, enclosure, and hardscape materials identified in the prerequisite. Performance is compared against benchmarks from sources like the Carbon Leadership Forum Materials Baseline and the US EPA.
Options 2 and 3 require accurate quantities and product-specific EPDs where available (industry-wide where not). Option 2 offers up to three points; Option 3 offers up to two. In all cases, embodied carbon tools can significantly reduce documentation friction.
Construction Management: Now a Prerequisite
Construction Management consolidates what was previously the Construction Indoor Air Quality Management credit into a required prerequisite.
Most teams will find this familiar. Core SMACNA-based measures remain, but LEED v5 introduces Extreme Heat Protection, reflecting a broader emphasis on worker health and climate resilience. For experienced LEED teams, this prerequisite should feel straightforward and operationally achievable.
Updated Credit: Building and Materials Reuse
The Building and Materials Reuse credit combines building reuse concepts with material reuse requirements previously embedded in sourcing credits.
For building reuse, teams can earn up to three points by salvaging and reusing 20%, 35%, or 50% of existing structure and enclosure elements on new construction projects.
For material reuse, up to two points are available by reusing defined percentages of targeted material categories such as carpet, ceilings, furniture, and interior walls. Additional flexibility allows other materials—like lumber, doors, and casework—to contribute.
An additional two points are available for construction emissions tracking:
- One point for tracking fuel and utilities for the general contractor
One point for extending tracking to subcontractors
Updated Credit: Building Product Selection and Procurement
This credit replaces the familiar product-counting approach from LEED v4.1 with a category-based, weighted calculation model.
Instead of tallying compliant products, teams must demonstrate that entire product categories meet thresholds using weighted averages. Categories align with low-emitting materials, plus plumbing fixtures.
Attributes such as EPDs, HPDs, Declare labels, and Cradle to Cradle certifications now function as multipliers. Products contributing to both climate and human health effectively double their impact in calculations. In practice, many teams will find paint, flooring, ceilings, and insulation to be the easiest paths to earning three to four points.
Largely Unchanged: Low-Emitting Materials
Low-Emitting Materials remains mostly consistent with LEED v4.1, with one meaningful simplification: VOC content limits are no longer required. Compliance is now based solely on emissions testing using CDPH v1.2–2017.
Two points are available (except for core and shell), though most projects will realistically target one point by achieving 90% compliance across primary categories.
Construction and Demolition Waste: Familiar Goals, Higher Bar
Construction and Demolition Waste Management retains familiar diversion thresholds—50% for one point and 75% for two—but adds new source-separation requirements.
To earn points:
- At least 10% (one point) or 25% (two points) of materials must be source-separated and sent directly to single-material recyclers.
- Commingled facilities must have third-party-verified recycling rates or default to a conservative 35%.
Because concrete is often source-separated and carries significant weight, it will play a critical role in meeting these thresholds.
Bottom Line for Construction Teams
For construction teams, LEED v5 largely builds on prior versions—with embodied carbon as the clear inflection point. Quantification, data quality, and EPD-based decision-making are now core expectations, not optional best practices.
Teams that plan early, track quantities accurately, and integrate embodied carbon tools will be well-positioned to comply—and to deliver measurable carbon reductions in the process.
For a deeper dive into these credits and practical strategies for earning points, join us for our LEED v5 Webinar on Wednesday, January 21, 2026.
