BuildingCensus
B

20 Custom House St

Office in Boston, MA · 2109.

ENERGY STAR score
74
band B · 2024
Site EUI
48.1
kBtu/ft²
GHG emissions
522
tCO₂e
GHG intensity
kgCO₂e/ft²
Floor area
190,451
sq ft
Year built
vintage

BERDO 2.0 · reporting year 2024

Benchmarking record

FieldValue
ENERGY STAR score74 (band B)
Site EUI48.1 kBtu/ft²
Source EUI
GHG emissions522 tCO₂e
GHG intensity
Electricity2,682,631 kWh
Gross floor area190,451 sq ft
Source recordboston:100371:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest74-548.1 kBtu/ft²522 tCO₂e
202379+5646.6 kBtu/ft²533 tCO₂e
20222399.3 kBtu/ft²754 tCO₂e

Compliance context

BERDO 2.0

BERDO 2.0 sets emissions standards for buildings over 20,000 sq ft from 2025, with an alternative-compliance payment of $234 per metric ton of CO₂e over the cap.

Program details →

Ownership

AMAN INC DEL CORP

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Location

Address
20 Custom House St
City
Boston
State
Massachusetts
ZIP
2109.

Within ~1 km

Nearby benchmarked buildings

This source publishes no coordinates, so nearby buildings can't be resolved yet.

See also: most efficient in Boston · biggest emitters

Frequently asked questions

What is 20 Custom House St's energy grade?

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

How much energy does 20 Custom House St use?

Its 2024 site energy-use intensity was 48.1 kBtu/ft² across 190,451 sq ft, including 2,682,631 kWh of electricity.

What are 20 Custom House St's carbon emissions?

20 Custom House St reported 522 tCO₂e of greenhouse-gas emissions for 2024. BERDO 2.0 sets emissions standards for buildings over 20,000 sq ft from 2025, with an alternative-compliance payment of $234 per metric ton of CO₂e over the cap.

Dataset updated . Source: Building Emissions Reduction and Disclosure Ordinance disclosure, record boston:100371:2024.