BuildingCensus
A

1 Liberty Sq

Office in Boston, MA · 2109.

ENERGY STAR score
85
band A · 2024
Site EUI
31.6
kBtu/ft²
GHG emissions
313
tCO₂e
GHG intensity
kgCO₂e/ft²
Floor area
173,600
sq ft
Year built
vintage

BERDO 2.0 · reporting year 2024

Benchmarking record

FieldValue
ENERGY STAR score85 (band A)
Site EUI31.6 kBtu/ft²
Source EUI
GHG emissions313 tCO₂e
GHG intensity
Electricity1,606,900 kWh
Gross floor area173,600 sq ft
Source recordboston:102311:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest85-131.6 kBtu/ft²313 tCO₂e
202386+232.1 kBtu/ft²335 tCO₂e
20228433.5 kBtu/ft²459 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

ONE LIBERTY SQUARE OWNER LLC

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

Location

Address
1 Liberty Sq
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 1 Liberty Sq's energy grade?

1 Liberty Sq scores 85 out of 100 on ENERGY STAR — band A (High performer (85–100)) — in its 2024 Boston disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does 1 Liberty Sq use?

Its 2024 site energy-use intensity was 31.6 kBtu/ft² across 173,600 sq ft, including 1,606,900 kWh of electricity.

What are 1 Liberty Sq's carbon emissions?

1 Liberty Sq reported 313 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:102311:2024.