BuildingCensus
C

46 Blackstone St

Office in Cambridge, MA

ENERGY STAR score
58
band C · 2024
Site EUI
82.5
kBtu/ft²
GHG emissions
249
tCO₂e
GHG intensity
kgCO₂e/ft²
Floor area
44,041
sq ft
Year built
2005
vintage
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85–10070–8455–691–54
This entry + 6 nearby

BEUDO · reporting year 2024

Benchmarking record

FieldValue
ENERGY STAR score58 (band C)
Site EUI82.5 kBtu/ft²
Source EUI149.0 kBtu/ft²
GHG emissions249 tCO₂e
GHG intensity
Electricity402,679 kWh
Water use93 kgal
Gross floor area44,041 sq ft
Source recordcambridge:B1325:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest58-682.5 kBtu/ft²249 tCO₂e
202364-174.3 kBtu/ft²225 tCO₂e
202265-778.5 kBtu/ft²236 tCO₂e
202172+569.8 kBtu/ft²210 tCO₂e
202067+1675.9 kBtu/ft²227 tCO₂e
201951-1597.6 kBtu/ft²284 tCO₂e
201866-471.2 kBtu/ft²213 tCO₂e
201770+366.4 kBtu/ft²205 tCO₂e
201667-569.0 kBtu/ft²213 tCO₂e
20157267.1 kBtu/ft²208 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
46 Blackstone St
State
Massachusetts
Coordinates
42.36360, -71.11490

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in Cambridge · biggest emitters

Frequently asked questions

What is 46 Blackstone St's energy grade?

46 Blackstone St scores 58 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 46 Blackstone St use?

Its 2024 site energy-use intensity was 82.5 kBtu/ft² (149.0 kBtu/ft² source) across 44,041 sq ft, including 402,679 kWh of electricity.

What are 46 Blackstone St's carbon emissions?

46 Blackstone St reported 249 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:B1325:2024.