NCIDQ Accreditation. Both Fran Wing and Sandy Friend are National Council
for Interior Design Qualification (NCIDQ) Certificate holders

"The core purpose of NCIDQ is to protect the health, life safety and welfare of the public by establishing standards of competence in the practice of interior design." Certificate holders are required to meet an educational and experience standard and pass the rigorous NCIDQ exam.

ASID Fellowship. Sandy has been elected a Fellow of the American Society of Interior Designers (ASID).

"Fellowship is the highest honor that ASID bestows on its members. Elevation to fellowship not only recognized the achievements of an individual designer but also elevates before the public and profession a model interior designer who has made a significant contribution to the profession and the Society."

LEED AP. Sandy has is qualified as a LEED AP with a specialty in Interior Design and Construction (ID+C).

In achieving this designation, Sandy has demonstrated "a thorough understanding of green building practices and principals and the LEED rating system." The LEED (Leadership in Energy and Environmental Design) Green Building Rating System was originally developed by the U.S. Green Building Council in 2003 as a standard for what constitutes a green building.

U.S. Green Building Council (USGBC) membership. GrapeStreet Design Group is a corporate member of the USGBC.

The USGBC is " the nation's foremost coalition of leaders working to transform the way buildings and communities are designed, built and operated, enabling an environmentally and socially responsible, healthy and prosperous environment that improves the quality of life."