261 Beacon St
Multifamily Housing in Boston, MA · 2116.
At a glance
261 Beacon St is a 8,616-square-foot multifamily housing building in Boston, Massachusetts. In its 2024 Boston benchmarking disclosure it reported a site energy-use intensity of 3.3 kBtu/ft² and 2 tCO₂e of greenhouse-gas emissions.
BERDO 2.0 · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 3.3 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 2 tCO₂e |
| GHG intensity | — |
| Electricity | 8,383 kWh |
| Gross floor area | 8,616 sq ft |
| Source record | boston:106398:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 3.3 kBtu/ft² | 2 tCO₂e | |
| 2023 | — | 122.5 kBtu/ft² | 87 tCO₂e | |
| 2022 | — | 161.4 kBtu/ft² | 118 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.
Ownership
TWO 61 BEACON STREET
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Location
- Address
- 261 Beacon St
- City
- Boston
- State
- Massachusetts
- ZIP
- 2116.
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 261 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 3.3 kBtu/ft² is about 95% below the average of 67.7 kBtu/ft² — it uses less energy per square foot than the typical building in that group.
At 8,616 sq ft, it is about 85% 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 261 Beacon St's energy performance changed over time?
BuildingCensus holds 3 Boston disclosures for 261 Beacon St, covering report years 2022–2024. Site EUI moved from 161.4 kBtu/ft² (2022) to 3.3 kBtu/ft² (2024), a 98% decrease. Reported emissions went from 118 tCO₂e to 2 tCO₂e over the same span (down 99%).
What does a site EUI of 3.3 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. 261 Beacon St's 3.3 kBtu/ft² across 8,616 sq ft works out to about 0 billion Btu (8 MWh-equivalent) in 2024. The disclosure also reports 8,383 kWh of electricity for the year.
Which law requires 261 Beacon St to report its energy use?
261 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:106398:2024). 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
- 251-261 Monsignor Dennis F. O'Callaghan Way· 8,538 sq ft · EUI 130.2 kBtu/ft²
- 274-280 Main St· 8,519 sq ft
- 53-75 General Lawrence J Logan Way· 8,510 sq ft · EUI 130.2 kBtu/ft²
- 22 Border St· 8,473 sq ft · EUI 8.7 kBtu/ft²
- 100-100A Lanark Rd· 8,464 sq ft · EUI 16.4 kBtu/ft²
- 18 Marginal St· 8,400 sq ft · EUI 87.5 kBtu/ft²
- Multifamily Housing buildings in Boston· 2,174 benchmarked
- All Boston benchmarked buildings· BERDO 2.0
- Most efficient large buildings in Boston
- Least efficient large buildings in Boston
- Biggest emitters in Boston
Frequently asked questions
What is 261 Beacon St's energy grade?
261 Beacon St did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 3.3 kBtu/ft².
How much energy does 261 Beacon St use?
Its 2024 site energy-use intensity was 3.3 kBtu/ft² across 8,616 sq ft, including 8,383 kWh of electricity.
What are 261 Beacon St's carbon emissions?
261 Beacon St reported 2 tCO₂e of greenhouse-gas emissions for 2024.
Where is 261 Beacon St?
261 Beacon St is in Boston, Massachusetts 2116.
How big is 261 Beacon St and when was it built?
261 Beacon St has 8,616 sq ft of gross floor area, as reported in its 2024 disclosure. It is classed as multifamily housing.
Is 261 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.
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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, “261 Beacon St, Boston, Massachusetts — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/boston/261-beacon-st-59f528c1 (data as of July 9, 2026).