43-55 Alleghany St
K-12 School in Boston, MA · 2120.
At a glance
43-55 Alleghany St is a 66,000-square-foot K-12 school in Boston, Massachusetts. In its 2024 Boston benchmarking disclosure it reported an ENERGY STAR score of 32 out of 100 (grade D), a site energy-use intensity of 85.1 kBtu/ft² and 303 tCO₂e of greenhouse-gas emissions. That score is higher than 17% of the 163 scored K-12 school buildings in Boston.
BERDO 2.0 · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 32 (band D) |
| Site EUI | 85.1 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 303 tCO₂e |
| GHG intensity | — |
| Electricity | 359,597 kWh |
| Natural gas | 43,897 therms |
| Gross floor area | 66,000 sq ft |
| Source record | boston:102168:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 32 | -19 | 85.1 kBtu/ft² | 303 tCO₂e |
| 2023 | 51 | ±0 | 70.1 kBtu/ft² | 252 tCO₂e |
| 2022 | 51 | 75.6 kBtu/ft² | 289 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
CITY OF BOSTON SCHOOL DEPT
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Location
- Address
- 43-55 Alleghany St
- City
- Boston
- State
- Massachusetts
- ZIP
- 2120.
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 43-55 Alleghany St compare with other K-12 school buildings in Boston?
The latest disclosures cover 175 K-12 school buildings in Boston, out of 6,305 buildings citywide. 43-55 Alleghany St's ENERGY STAR score of 32 compares with an average of 59 across the 163 that report a score; it scores higher than 17% of them and lower than 82%. Its site EUI of 85.1 kBtu/ft² is about 32% above the average of 64.5 kBtu/ft² — it uses more energy per square foot than the typical building in that group.
At 66,000 sq ft, it is about 21% below the average floor area of 83,066 sq ft for those buildings. Across all 24 jurisdictions BuildingCensus covers, the 6,548 K-12 school buildings average an ENERGY STAR score of 64 and a site EUI of 52.7 kBtu/ft².
How has 43-55 Alleghany St's energy performance changed over time?
BuildingCensus holds 3 Boston disclosures for 43-55 Alleghany St, covering report years 2022–2024. Its ENERGY STAR score went from 51 in 2022 to 32 in 2024 (-19 points); its best year on file was 2022, at 51. Site EUI moved from 75.6 kBtu/ft² (2022) to 85.1 kBtu/ft² (2024), an 13% increase. Reported emissions went from 289 tCO₂e to 303 tCO₂e over the same span (up 5%).
What does an ENERGY STAR score of 32 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 32 means the building performs better than about 32% of its national peers. BuildingCensus bands the score into report-card grades; 32 falls in band D — lowest band (1–54). It sits 43 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. 43-55 Alleghany St's 85.1 kBtu/ft² across 66,000 sq ft works out to about 5.6 billion Btu (1,646 MWh-equivalent) in 2024. The disclosure also reports 359,597 kWh of electricity and 43,897 therms of natural gas for the year.
Which law requires 43-55 Alleghany St to report its energy use?
43-55 Alleghany 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:102168:2024). 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 K-12 school buildings in Boston
- 294 Bowdoin St· 65,744 sq ft · score 97 (A)
- 61 School St· 64,313 sq ft · score 87 (A)
- 40 Smith St· 64,091 sq ft · score 56 (C)
- K-12 School building #C10014· 60,709 sq ft · score 80 (B)
- K-12 School building #C10104· 60,361 sq ft · score 31 (D)
- 40 School St· 60,280 sq ft · score 76 (B)
- K-12 School buildings in Boston· 175 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 43-55 Alleghany St's energy grade?
43-55 Alleghany St scores 32 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2024 Boston disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 43-55 Alleghany St use?
Its 2024 site energy-use intensity was 85.1 kBtu/ft² across 66,000 sq ft, including 359,597 kWh of electricity and 43,897 therms of natural gas.
What are 43-55 Alleghany St's carbon emissions?
43-55 Alleghany St reported 303 tCO₂e of greenhouse-gas emissions for 2024.
Where is 43-55 Alleghany St?
43-55 Alleghany St is in Boston, Massachusetts 2120.
How big is 43-55 Alleghany St and when was it built?
43-55 Alleghany St has 66,000 sq ft of gross floor area, as reported in its 2024 disclosure. It is classed as K-12 school.
Is 43-55 Alleghany 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, “43-55 Alleghany St, Boston, Massachusetts — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/boston/43-55-alleghany-st-b19059a7 (data as of July 9, 2026).