BuildingCensus
B

355 Main Street

Office in Cambridge, MA

ENERGY STAR score
78
band B · 2024
Site EUI
50.4
kBtu/ft²
GHG emissions
911
tCO₂e
GHG intensity
—
kgCO₂e/ft²
Floor area
262,476
sq ft
Year built
1981
vintage
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85–10070–8455–691–54
This entry + 6 nearby

BEUDO · reporting year 2024

Benchmarking record

FieldValue
ENERGY STAR score78 (band B)
Site EUI50.4 kBtu/ft²
Source EUI125.4 kBtu/ft²
GHG emissions911 tCO₂e
GHG intensity—
Electricity3,186,588 kWh
Natural gas23,614 therms
Water use2,323 kgal
Gross floor area262,476 sq ft
Source recordcambridge:B1308:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest78+250.4 kBtu/ft²911 tCO₂e
202376+554.6 kBtu/ft²970 tCO₂e
202271+657.6 kBtu/ft²1,034 tCO₂e
202165-762.5 kBtu/ft²1,138 tCO₂e
202072+1957.2 kBtu/ft²1,031 tCO₂e
201953-276.5 kBtu/ft²1,288 tCO₂e
201855+2873.5 kBtu/ft²1,318 tCO₂e
201727+10105.1 kBtu/ft²2,013 tCO₂e
201617+7119.2 kBtu/ft²2,307 tCO₂e
201510135.4 kBtu/ft²2,710 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).

Program details →

Ownership

BP FIVE CC LLC,

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Location

Address
355 Main Street
State
Massachusetts
Coordinates
42.36280, -71.08750

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in Cambridge · biggest emitters

Frequently asked questions

What is 355 Main Street's energy grade?

355 Main Street scores 78 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 355 Main Street use?

Its 2024 site energy-use intensity was 50.4 kBtu/ft² (125.4 kBtu/ft² source) across 262,476 sq ft, including 3,186,588 kWh of electricity and 23,614 therms of natural gas.

What are 355 Main Street's carbon emissions?

355 Main Street reported 911 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:B1308:2024.