Credentials & Certifications

Built on Proven Expertise

Beautiful finishes are only half the story. These credentials are our promise that every Arbor Stone home performs as well as it looks — backed by rigorous training in high-performance building science and master-level craft.

01.

Phius Certified ConsultantCPHC®

Passive House Institute US (Phius)

Certified to design, model, and construct buildings that meet the Phius standards for all climate zones. Phius buildings are ultra-efficient, with superior indoor air quality, thermal comfort, resilience, and durability.

Phius ID
123972
Issued
August 24, 2026
Valid Through
August 24, 2029
View certificate (PDF) ↗
Phius Certified Consultant (CPHC) certificate for Jeremy Granger
NCBI Accredited Master Builder seal
02.

Master BuilderAccredited

North Carolina Builder Institute (NCBI)

Accredited Master Builder status through the NCBI, the educational arm of the North Carolina Home Builders Association — reflecting advanced training and a commitment to craft.

Credentials confirm what our homes already prove — that high performance and beauty are not a trade-off, but a single craft.

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