BuildingCensus
B

831 Massachusetts Avenue

Office in Cambridge, MA

ENERGY STAR score
74
band B · 2024
Site EUI
63.2
kBtu/ft²
GHG emissions
90
tCO₂e
GHG intensity
kgCO₂e/ft²
Floor area
21,808
sq ft
Year built
1950
vintage
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85–10070–8455–691–54
This entry + 6 nearby

BEUDO · reporting year 2024

Benchmarking record

FieldValue
ENERGY STAR score74 (band B)
Site EUI63.2 kBtu/ft²
Source EUI135.6 kBtu/ft²
GHG emissions90 tCO₂e
GHG intensity
Electricity252,863 kWh
Natural gas5,156 therms
Water use132 kgal
Gross floor area21,808 sq ft
Source recordcambridge:B1021:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest74+1263.2 kBtu/ft²90 tCO₂e
202362-878.5 kBtu/ft²110 tCO₂e
202270+169.2 kBtu/ft²97 tCO₂e
202169-373.5 kBtu/ft²102 tCO₂e
202072-468.9 kBtu/ft²95 tCO₂e
201976+463.9 kBtu/ft²84 tCO₂e
201872+2066.1 kBtu/ft²91 tCO₂e
201752+375.6 kBtu/ft²111 tCO₂e
201649+1376.9 kBtu/ft²114 tCO₂e
20153696.8 kBtu/ft²142 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.

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Ownership

CAMBRIDGE CITY OF

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Location

Address
831 Massachusetts Avenue
State
Massachusetts
Coordinates
42.36730, -71.10640

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in Cambridge · biggest emitters

Frequently asked questions

What is 831 Massachusetts Avenue's energy grade?

831 Massachusetts Avenue scores 74 out of 100 on ENERGY STAR — band B (Above median (70–84)) — in its 2024 Cambridge disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does 831 Massachusetts Avenue use?

Its 2024 site energy-use intensity was 63.2 kBtu/ft² (135.6 kBtu/ft² source) across 21,808 sq ft, including 252,863 kWh of electricity and 5,156 therms of natural gas.

What are 831 Massachusetts Avenue's carbon emissions?

831 Massachusetts Avenue reported 90 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:B1021:2024.