At a glance
65 Allerton St is a 114,803-square-foot office building in Boston, Massachusetts. In its 2024 Boston benchmarking disclosure it reported an ENERGY STAR score of 55 out of 100 (grade C), a site energy-use intensity of 85.8 kBtu/ft² and 554 tCO₂e of greenhouse-gas emissions. That score is higher than 20% of the 356 scored office buildings in Boston.
BERDO 2.0 · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 55 (band C) |
| Site EUI | 85.8 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 554 tCO₂e |
| GHG intensity | — |
| Electricity | 2,318,119 kWh |
| Natural gas | 19,375 therms |
| Gross floor area | 114,803 sq ft |
| Source record | boston:100359:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 55 | -4 | 85.8 kBtu/ft² | 554 tCO₂e |
| 2023 | 59 | -1 | 81.7 kBtu/ft² | 550 tCO₂e |
| 2022 | 60 | 56.0 kBtu/ft² | 602 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
ALLERTON PROPERTY LLC
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Location
- Address
- 65 Allerton St
- City
- Boston
- State
- Massachusetts
- ZIP
- 2119.
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 Allerton St compare with other office buildings in Boston?
The latest disclosures cover 467 office buildings in Boston, out of 6,305 buildings citywide. 65 Allerton St's ENERGY STAR score of 55 compares with an average of 71 across the 356 that report a score; it scores higher than 20% of them and lower than 78%. Its site EUI of 85.8 kBtu/ft² is about 39% above the average of 61.7 kBtu/ft² — it uses more energy per square foot than the typical building in that group.
At 114,803 sq ft, it is about 40% below the average floor area of 191,803 sq ft for those buildings. Across all 24 jurisdictions BuildingCensus covers, the 15,264 office buildings average an ENERGY STAR score of 73 and a site EUI of 59.3 kBtu/ft².
How has 65 Allerton St's energy performance changed over time?
BuildingCensus holds 3 Boston disclosures for 65 Allerton St, covering report years 2022–2024. Its ENERGY STAR score went from 60 in 2022 to 55 in 2024 (-5 points); its best year on file was 2022, at 60. Site EUI moved from 56.0 kBtu/ft² (2022) to 85.8 kBtu/ft² (2024), an 53% increase. Reported emissions went from 602 tCO₂e to 554 tCO₂e over the same span (down 8%).
What does an ENERGY STAR score of 55 mean?
ENERGY STAR scores run from 1 to 100 and are computed by the EPA's Portfolio Manager as a percentile against similar buildings nationwide, adjusted for climate, size and use: a score of 55 means the building performs better than about 55% of its national peers. BuildingCensus bands the score into report-card grades; 55 falls in band C — below median (55–69). It sits 20 points below 75, the threshold for ENERGY STAR certification. In Boston, 52% of scored buildings are at 75 or above.
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 Allerton St's 85.8 kBtu/ft² across 114,803 sq ft works out to about 9.9 billion Btu (2,887 MWh-equivalent) in 2024. The disclosure also reports 2,318,119 kWh of electricity and 19,375 therms of natural gas for the year.
Which law requires 65 Allerton St to report its energy use?
65 Allerton 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:100359:2024). 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 office buildings in Boston
- 45 School St· 114,388 sq ft · score 76 (B)
- 200 High St· 114,042 sq ft · score 82 (B)
- 21 Custom House St· 114,000 sq ft · score 69 (C)
- 256-260 Summer St· 112,608 sq ft · score 77 (B)
- 733-743 Boylston St· 112,096 sq ft · score 68 (C)
- 109-153 Lincoln St· 110,832 sq ft · EUI 20.0 kBtu/ft²
- Office buildings in Boston· 467 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 Allerton St's energy grade?
65 Allerton St scores 55 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 65 Allerton St use?
Its 2024 site energy-use intensity was 85.8 kBtu/ft² across 114,803 sq ft, including 2,318,119 kWh of electricity and 19,375 therms of natural gas.
What are 65 Allerton St's carbon emissions?
65 Allerton St reported 554 tCO₂e of greenhouse-gas emissions for 2024.
Where is 65 Allerton St?
65 Allerton St is in Boston, Massachusetts 2119.
How big is 65 Allerton St and when was it built?
65 Allerton St has 114,803 sq ft of gross floor area, as reported in its 2024 disclosure. It is classed as office.
Is 65 Allerton 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 Allerton St, Boston, Massachusetts — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/boston/65-allerton-st-d845b8fb (data as of July 9, 2026).