If it’s not green, it’s not an investment.

Aerial view of solar panels above the parking lots at Carnegie Center

Five decades of excellence and counting.

  • Global Real Estate Benchmark Logo


    • Ranked among top real estate companies, earned the highest 5-Star rating and an “A” disclosure score
    • 12 years of “Green Star” designations
  • US Green Building Council LEED Certified Logo

    LEED Certifications

    • 28.9m SF of actively managed LEED-certified buildings, of which 92% is certified at the highest Gold and Platinum levels
    • New office developments pursue Gold certification or higher
  • Energy Star Logo


    • Partner of the Year Award – Sustained Excellence
    • 62% of the actively managed office portfolio is certified
    • 100% rated actively managed office portfolio
  • Fitwel Logo


    • 23.3m SF Fitwel certified
    • Seven-time Best in Building Health Award Winner
  • 2023

    Awards & Accolades

    • CDP Climate Change Score – “B”
    • Commercial Property Executive – Best ESG Program
    • DJSI North America Member, 94th Percentile, REITs
    • Green Lease Leader – Platinum
    • MSCI ESG Rating – “AA”
    • Sustainalytics Top 5% Global Universe

People. Planet. Profit.

We don’t stop at installing solar panels and reducing carbon emissions. We’re urban beekeepers— literally housing these champion pollinators on rooftops. We’re using an abandoned quarry as a renewable source of water for an innovative cooling system. And we’re harvesting hundreds of gallons of rainwater. Boston’s most sustainable building? That’s one of ours, too.

Atlantic Wharf

Our small footprint is a big deal.

  • 41%

    Energy use reduction

  • 48%

    Water use reduction

  • 51%

    Landfill waste diverted

  • 91%

    Actively Managed Office Buildings Certified

*Reductions since 2008 on an intensity basis