BuildingCensus
A

5 Western Avenue

Office in Cambridge, MA

ENERGY STAR score
98
band A · 2024
Site EUI
29.6
kBtu/ft²
GHG emissions
65
tCO₂e
GHG intensity
kgCO₂e/ft²
Floor area
34,055
sq ft
Year built
1931
vintage
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85–10070–8455–691–54
This entry + 6 nearby

BEUDO · reporting year 2024

Benchmarking record

FieldValue
ENERGY STAR score98 (band A)
Site EUI29.6 kBtu/ft²
Source EUI62.4 kBtu/ft²
GHG emissions65 tCO₂e
GHG intensity
Electricity178,398 kWh
Natural gas4,003 therms
Water use385 kgal
Gross floor area34,055 sq ft
Source recordcambridge:B1031:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest98+129.6 kBtu/ft²65 tCO₂e
202397+135.5 kBtu/ft²78 tCO₂e
202296+236.5 kBtu/ft²79 tCO₂e
202194-143.3 kBtu/ft²93 tCO₂e
202095±040.6 kBtu/ft²86 tCO₂e
201995-140.7 kBtu/ft²83 tCO₂e
20189641.1 kBtu/ft²87 tCO₂e
201737.2 kBtu/ft²83 tCO₂e
201639.2 kBtu/ft²88 tCO₂e
201542.9 kBtu/ft²96 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

CAMBRIDGE CITY OF

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Location

Address
5 Western Avenue
State
Massachusetts
Coordinates
42.36540, -71.10560

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in Cambridge · biggest emitters

Frequently asked questions

What is 5 Western Avenue's energy grade?

5 Western Avenue scores 98 out of 100 on ENERGY STAR — band A (High performer (85–100)) — in its 2024 Cambridge disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does 5 Western Avenue use?

Its 2024 site energy-use intensity was 29.6 kBtu/ft² (62.4 kBtu/ft² source) across 34,055 sq ft, including 178,398 kWh of electricity and 4,003 therms of natural gas.

What are 5 Western Avenue's carbon emissions?

5 Western Avenue reported 65 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:B1031:2024.