BuildingCensus
C

21 Custom House St

Office in Boston, MA · 2110.

ENERGY STAR score
69
band C · 2024
Site EUI
56.0
kBtu/ft²
GHG emissions
364
tCO₂e
GHG intensity
kgCO₂e/ft²
Floor area
114,000
sq ft
Year built
vintage

BERDO 2.0 · reporting year 2024

Benchmarking record

FieldValue
ENERGY STAR score69 (band C)
Site EUI56.0 kBtu/ft²
Source EUI
GHG emissions364 tCO₂e
GHG intensity
Electricity1,869,564 kWh
Gross floor area114,000 sq ft
Source recordboston:100370:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest69+1756.0 kBtu/ft²364 tCO₂e
202352+1564.6 kBtu/ft²443 tCO₂e
20223776.3 kBtu/ft²634 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

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

Location

Address
21 Custom House St
City
Boston
State
Massachusetts
ZIP
2110.

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 21 Custom House St's energy grade?

21 Custom House St scores 69 out of 100 on ENERGY STAR — band C (Below median (55–69)) — in its 2024 Boston disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does 21 Custom House St use?

Its 2024 site energy-use intensity was 56.0 kBtu/ft² across 114,000 sq ft, including 1,869,564 kWh of electricity.

What are 21 Custom House St's carbon emissions?

21 Custom House St reported 364 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:100370:2024.