BuildingCensus
D

675 Mass Ave

Office in Cambridge, MA

ENERGY STAR score
54
band D · 2024
Site EUI
90.7
kBtu/ft²
GHG emissions
701
tCO₂e
GHG intensity
kgCO₂e/ft²
Floor area
127,880
sq ft
Year built
1961
vintage
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85–10070–8455–691–54
This entry + 6 nearby

BEUDO · reporting year 2024

Benchmarking record

FieldValue
ENERGY STAR score54 (band D)
Site EUI90.7 kBtu/ft²
Source EUI164.6 kBtu/ft²
GHG emissions701 tCO₂e
GHG intensity
Electricity1,485,148 kWh
Natural gas63,023 therms
Water use1,052 kgal
Gross floor area127,880 sq ft
Source recordcambridge:B1435:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest54+690.7 kBtu/ft²701 tCO₂e
202348-1590.2 kBtu/ft²727 tCO₂e
202263-599.5 kBtu/ft²716 tCO₂e
202168+593.0 kBtu/ft²667 tCO₂e
202063+14103.2 kBtu/ft²725 tCO₂e
201949+23121.0 kBtu/ft²835 tCO₂e
201826-35194.4 kBtu/ft²1,282 tCO₂e
201761+997.1 kBtu/ft²745 tCO₂e
201652107.8 kBtu/ft²854 tCO₂e
201521.2 kBtu/ft²667 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

U.S. REIF CENTRAL PLAZA MASS. LLC.

Own or manage this building? Claim it to correct the record and get compliance alerts.

Location

Address
675 Mass Ave
State
Massachusetts
Coordinates
42.36600, -71.10380

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in Cambridge · biggest emitters

Frequently asked questions

What is 675 Mass Ave's energy grade?

675 Mass Ave scores 54 out of 100 on ENERGY STAR — band D (Lowest band (1–54)) — in its 2024 Cambridge disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does 675 Mass Ave use?

Its 2024 site energy-use intensity was 90.7 kBtu/ft² (164.6 kBtu/ft² source) across 127,880 sq ft, including 1,485,148 kWh of electricity and 63,023 therms of natural gas.

What are 675 Mass Ave's carbon emissions?

675 Mass Ave reported 701 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:B1435:2024.