GBIG

21 Charles St

Building

Building 21 Charles St

Cambridge, MA, USA

Flats on First

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Details

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This building has a 1 year timeline with 1 green activity.

Timeline

Activity
Flats on First - Energy Star Certified 2025
awarded on 10/02/2025
81
Energy Star Multifamily Housing

Resources

Building Details

CBSA Boston-Cambridge-Quincy, MA-NH
USGBC Chapter Massachusetts Chapter
EPA Region New England
NHCS Urban Rural Classification Large fringe metro
Building Owner 107 TR First Street LLC
Property Manager Willow Bridge Property Company
Number of Years Certified 1
Certification Years 2025
Score(s) 81
Property type Multifamily Housing
Year constructed 2022
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