65-66H Beacon St
Multifamily Housing in Boston, MA · 2108.
At a glance
65-66H Beacon St is a 28,800-square-foot multifamily housing building in Boston, Massachusetts. In its 2024 Boston benchmarking disclosure it reported a site energy-use intensity of 96.2 kBtu/ft² and 150 tCO₂e of greenhouse-gas emissions.
BERDO 2.0 · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 96.2 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 150 tCO₂e |
| GHG intensity | — |
| Electricity | 223,121 kWh |
| Natural gas | 20,086 therms |
| Gross floor area | 28,800 sq ft |
| Source record | boston:100211:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 96.2 kBtu/ft² | 150 tCO₂e | |
| 2023 | — | 95.4 kBtu/ft² | 151 tCO₂e | |
| 2022 | — | — | — |
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
66 BEACON STREET HOLDINGS LLC
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Location
- Address
- 65-66H 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 65-66H 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 96.2 kBtu/ft² is about 42% above the average of 67.7 kBtu/ft² — it uses more energy per square foot than the typical building in that group.
At 28,800 sq ft, it is about half of 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 65-66H Beacon St's energy performance changed over time?
BuildingCensus holds 3 Boston disclosures for 65-66H Beacon St, covering report years 2022–2024. Site EUI moved from 95.4 kBtu/ft² (2023) to 96.2 kBtu/ft² (2024), an 1% increase. Reported emissions went from 151 tCO₂e to 150 tCO₂e over the same span (down 1%).
What does a site EUI of 96.2 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. 65-66H Beacon St's 96.2 kBtu/ft² across 28,800 sq ft works out to about 2.8 billion Btu (812 MWh-equivalent) in 2024. The disclosure also reports 223,121 kWh of electricity and 20,086 therms of natural gas for the year.
Which law requires 65-66H Beacon St to report its energy use?
65-66H 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:100211:2024). 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
- 83-107 Lawn St· 28,764 sq ft · score 67 (C)
- 760 Metropolitan Ave· 28,755 sq ft · score 86 (A)
- Multifamily Housing building #101265· 28,633 sq ft · score 61 (C)
- 177-193 W Ninth St· 28,600 sq ft · score 21 (D)
- 706-712 Huntington Ave· 28,600 sq ft · score 36 (D)
- 91 Gainsborough St· 28,570 sq ft · score 84 (B)
- 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 65-66H Beacon St's energy grade?
65-66H Beacon St did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 96.2 kBtu/ft².
How much energy does 65-66H Beacon St use?
Its 2024 site energy-use intensity was 96.2 kBtu/ft² across 28,800 sq ft, including 223,121 kWh of electricity and 20,086 therms of natural gas.
What are 65-66H Beacon St's carbon emissions?
65-66H Beacon St reported 150 tCO₂e of greenhouse-gas emissions for 2024.
Where is 65-66H Beacon St?
65-66H Beacon St is in Boston, Massachusetts 2108.
How big is 65-66H Beacon St and when was it built?
65-66H Beacon St has 28,800 sq ft of gross floor area, as reported in its 2024 disclosure. It is classed as multifamily housing.
Is 65-66H 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, “65-66H Beacon St, Boston, Massachusetts — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/boston/65-66h-beacon-st-201cd1e9 (data as of July 9, 2026).