BuildingCensus
C

344 Broadway

Office in Cambridge, MA

ENERGY STAR score
69
band C · 2024
Site EUI
44.1
kBtu/ft²
GHG emissions
104
tCO₂e
GHG intensity
—
kgCO₂e/ft²
Floor area
33,909
sq ft
Year built
2004
vintage
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85–10070–8455–691–54
This entry + 6 nearby

BEUDO · reporting year 2024

Benchmarking record

FieldValue
ENERGY STAR score69 (band C)
Site EUI44.1 kBtu/ft²
Source EUI120.4 kBtu/ft²
GHG emissions104 tCO₂e
GHG intensity—
Electricity421,562 kWh
Water use198 kgal
Gross floor area33,909 sq ft
Source recordcambridge:B1023:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest69-244.1 kBtu/ft²104 tCO₂e
202371+242.7 kBtu/ft²100 tCO₂e
202269+1344.7 kBtu/ft²104 tCO₂e
202156+653.5 kBtu/ft²126 tCO₂e
202050-1651.9 kBtu/ft²119 tCO₂e
201966+349.1 kBtu/ft²104 tCO₂e
201863-551.3 kBtu/ft²117 tCO₂e
201768+1046.6 kBtu/ft²113 tCO₂e
201658+1452.8 kBtu/ft²128 tCO₂e
20154463.8 kBtu/ft²160 tCO₂e

Compliance context

BEUDO

Cambridge's 2023 BEUDO amendments require non-residential buildings of 100,000+ sq ft to reach net-zero emissions by 2035 (reductions starting 2026) and those of 25,000–100,000 sq ft by 2050 (starting 2030).

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Ownership

CAMBRIDGE CITY OF

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Location

Address
344 Broadway
State
Massachusetts
Coordinates
42.37000, -71.10350

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in Cambridge · biggest emitters

Frequently asked questions

What is 344 Broadway's energy grade?

344 Broadway scores 69 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 344 Broadway use?

Its 2024 site energy-use intensity was 44.1 kBtu/ft² (120.4 kBtu/ft² source) across 33,909 sq ft, including 421,562 kWh of electricity.

What are 344 Broadway's carbon emissions?

344 Broadway reported 104 tCO₂e of greenhouse-gas emissions for 2024. Cambridge's 2023 BEUDO amendments require non-residential buildings of 100,000+ sq ft to reach net-zero emissions by 2035 (reductions starting 2026) and those of 25,000–100,000 sq ft by 2050 (starting 2030).

Working with Cambridge building benchmarking records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

Dataset updated . Source: Building Energy Use Disclosure Ordinance (BEUDO) disclosure, record cambridge:B1023:2024.