BuildingCensus
–

48 Beacon St

Multifamily Housing in Boston, MA · 2108.

At a glance

48 Beacon St is a 22,000-square-foot multifamily housing building in Boston, Massachusetts. In its 2024 Boston benchmarking disclosure it reported a site energy-use intensity of 141.1 kBtu/ft² and 166 tCO₂e of greenhouse-gas emissions.

ENERGY STAR score
—
not reported · 2024
Site EUI
141.1
kBtu/ft²
GHG emissions
166
tCO₂e
GHG intensity
—
kgCO₂e/ft²
Floor area
22,000
sq ft
Year built
—
vintage

BERDO 2.0 · reporting year 2024

Benchmarking record

FieldValue
ENERGY STAR score—
Site EUI141.1 kBtu/ft²
Source EUI—
GHG emissions166 tCO₂e
GHG intensity—
Electricity55,888 kWh
Natural gas29,139 therms
Gross floor area22,000 sq ft
Source recordboston:103062:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest—141.1 kBtu/ft²166 tCO₂e
2023—85.4 kBtu/ft²101 tCO₂e
2022—75.3 kBtu/ft²94 tCO₂e

Compliance context

BERDO 2.0

BERDO 2.0 sets emissions standards for buildings of 20,000+ sq ft or 15+ units, starting in 2025 or 2030 depending on building size, with an alternative-compliance payment of $234 per metric ton of CO₂e over the limit.

Program details →

Ownership

FORTY-EIGHT BEACON CONDO TR

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

Location

Address
48 Beacon St
City
Boston
State
Massachusetts
ZIP
2108.

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

How does 48 Beacon St compare with other multifamily housing buildings in Boston?

The latest disclosures cover 2,174 multifamily housing buildings in Boston, out of 6,305 buildings citywide. Its site EUI of 141.1 kBtu/ft² is about twice the average of 67.7 kBtu/ft² — it uses more energy per square foot than the typical building in that group.

At 22,000 sq ft, it is about 62% below the average floor area of 58,087 sq ft for those buildings. Across all 24 jurisdictions BuildingCensus covers, the 59,945 multifamily housing buildings average an ENERGY STAR score of 70 and a site EUI of 59.0 kBtu/ft².

How has 48 Beacon St's energy performance changed over time?

BuildingCensus holds 3 Boston disclosures for 48 Beacon St, covering report years 2022–2024. Site EUI moved from 75.3 kBtu/ft² (2022) to 141.1 kBtu/ft² (2024), an 87% increase. Reported emissions went from 94 tCO₂e to 166 tCO₂e over the same span (up 77%).

What does a site EUI of 141.1 kBtu/ft² mean?

Site energy-use intensity (EUI) is the energy a building uses on site in a year divided by its floor area, in thousand Btu per square foot — lower is more efficient. 48 Beacon St's 141.1 kBtu/ft² across 22,000 sq ft works out to about 3.1 billion Btu (910 MWh-equivalent) in 2024. The disclosure also reports 55,888 kWh of electricity and 29,139 therms of natural gas for the year.

Which law requires 48 Beacon St to report its energy use?

48 Beacon St reports under BERDO 2.0, the legal basis of Boston's Building Emissions Reduction and Disclosure Ordinance, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2024 disclosure (source record boston:103062:2024). BERDO 2.0 sets emissions standards for buildings of 20,000+ sq ft or 15+ units, starting in 2025 or 2030 depending on building size, with an alternative-compliance payment of $234 per metric ton of CO₂e over the limit.

More multifamily housing buildings in Boston

Frequently asked questions

What is 48 Beacon St's energy grade?

48 Beacon St did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 141.1 kBtu/ft².

How much energy does 48 Beacon St use?

Its 2024 site energy-use intensity was 141.1 kBtu/ft² across 22,000 sq ft, including 55,888 kWh of electricity and 29,139 therms of natural gas.

What are 48 Beacon St's carbon emissions?

48 Beacon St reported 166 tCO₂e of greenhouse-gas emissions for 2024.

Where is 48 Beacon St?

48 Beacon St is in Boston, Massachusetts 2108.

How big is 48 Beacon St and when was it built?

48 Beacon St has 22,000 sq ft of gross floor area, as reported in its 2024 disclosure. It is classed as multifamily housing.

Is 48 Beacon St covered by BERDO 2.0?

Yes — it appears in the 2024 Building Emissions Reduction and Disclosure Ordinance disclosure, which lists the buildings reporting under BERDO 2.0.

Working with Boston 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.

About this data

Source: Building Emissions Reduction and Disclosure Ordinance (BERDO 2.0), as published July 9, 2026. See the methodology for how records are matched, cleaned and scored.

Cite as: BuildingCensus, “48 Beacon St, Boston, Massachusetts — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/boston/48-beacon-st-b104480e (data as of July 9, 2026).