International Living Future Institute
Core certifies buildings meet key sustainability benchmarks.
The Core Green Building Certification takes approximately 52 weeks.
Core Green Building Certification is best suited for commercial building owners, developers, and real estate professionals who want a credible, performance-based sustainability credential that is more attainable than full Living Building Challenge certification. It is particularly valuable for those seeking to demonstrate measurable progress on energy, water, and materials benchmarks without committing to the most rigorous net-zero requirements.
Certification
English
Available
Audubon Cooperative Sanctuary Certification
Audubon International
SEAM Buildings + Interiors (B+I) Certification: Developer
SEAM
SEAM Buildings + Interiors (B+I) Certification: Occupier
SEAM
SEAM Certification O+M Certification: Developer
SEAM
SEAM Operations + Maintenance (O+M) Certification: Occupier
SEAM
WELL Performance Rating
International WELL Building Insititute
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International Living Future InstituteLast verified Mar 9, 2026