One Belmont Ave Exterior

One Belmont Ave
Bala Cynwyd, PA 19004

The GSB Building at One Bala Avenue in Bala Cynwyd, PA 19004 is an iconic corporate destination that is currently leasing space from 600sf – 40,000sf. Companies headquartered here enjoy a highly-educated workforce and customer base thanks to an enviable location 10 minutes outside of Center City. Now, with Keystone at the helm, great will become awesome. Renovations to the GSB Building infrastructure are underway, as well as cosmetic upgrades including an expanded, modernized main lobby.

For further information, please call GENE MCHALE at (610) 828-0100 or email

Download GSB Building Brochure (PDF)

GSB Building Details


Recent Enhancements to the GSB BUILDING

  • Revitalized entrance with new doors and canopy
  • Expanded lobby with all new aesthetics
  • Renovated corridors with new carpet, lighting, ceiling tiles and wall covering
  • Refurbished elevator cabs and mechanicals
  • Enhanced HVAC system