BuildingCensus
C

Blackstone Street 46

Office in Cambridge, MA

ENERGY STAR score
65
band C · 2024
Site EUI
70.3
kBtu/ft²
GHG emissions
104
tCO₂e
GHG intensity
kgCO₂e/ft²
Floor area
21,767
sq ft
Year built
2002
vintage
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85–10070–8455–691–54
This entry + 6 nearby

BEUDO · reporting year 2024

Benchmarking record

FieldValue
ENERGY STAR score65 (band C)
Site EUI70.3 kBtu/ft²
Source EUI115.2 kBtu/ft²
GHG emissions104 tCO₂e
GHG intensity
Electricity122,423 kWh
Water use93 kgal
Gross floor area21,767 sq ft
Source recordcambridge:B1361:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest65-670.3 kBtu/ft²104 tCO₂e
202371+862.5 kBtu/ft²93 tCO₂e
202263-772.7 kBtu/ft²107 tCO₂e
202170±064.3 kBtu/ft²95 tCO₂e
20207067.1 kBtu/ft²99 tCO₂e
201925 tCO₂e
201827 tCO₂e
201730 tCO₂e
201633 tCO₂e
201535 tCO₂e

Compliance context

BEUDO

Cambridge's 2023 BEUDO amendments require large non-residential buildings to cut emissions to net zero by 2035–2050, with compliance obligations starting from 2025 reporting.

Program details →

Ownership

PRESIDENT & FELLOWS OF HARVARD COLLEGE

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Location

Address
Blackstone Street 46
State
Massachusetts
Coordinates
42.36420, -71.11510

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in Cambridge · biggest emitters

Frequently asked questions

What is Blackstone Street 46's energy grade?

Blackstone Street 46 scores 65 out of 100 on ENERGY STAR — band C (Below median (55–69)) — in its 2024 Cambridge disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does Blackstone Street 46 use?

Its 2024 site energy-use intensity was 70.3 kBtu/ft² (115.2 kBtu/ft² source) across 21,767 sq ft, including 122,423 kWh of electricity.

What are Blackstone Street 46's carbon emissions?

Blackstone Street 46 reported 104 tCO₂e of greenhouse-gas emissions for 2024. Cambridge's 2023 BEUDO amendments require large non-residential buildings to cut emissions to net zero by 2035–2050, with compliance obligations starting from 2025 reporting.

Dataset updated . Source: Building Energy Use Disclosure Ordinance (BEUDO) disclosure, record cambridge:B1361:2024.