50 Bunker Hill St
K-12 School in Boston, MA · 2129.
At a glance
50 Bunker Hill St is a 93,350-square-foot K-12 school in Boston, Massachusetts. In its 2024 Boston benchmarking disclosure it reported an ENERGY STAR score of 47 out of 100 (grade D), a site energy-use intensity of 78.8 kBtu/ft² and 395 tCO₂e of greenhouse-gas emissions. That score is higher than 30% of the 163 scored K-12 school buildings in Boston.
BERDO 2.0 · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 47 (band D) |
| Site EUI | 78.8 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 395 tCO₂e |
| GHG intensity | — |
| Electricity | 355,687 kWh |
| Natural gas | 61,398 therms |
| Gross floor area | 93,350 sq ft |
| Source record | boston:101886:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 47 | +4 | 78.8 kBtu/ft² | 395 tCO₂e |
| 2023 | 43 | +6 | 84.2 kBtu/ft² | 425 tCO₂e |
| 2022 | 37 | 87.1 kBtu/ft² | 472 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
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Location
- Address
- 50 Bunker Hill St
- City
- Boston
- State
- Massachusetts
- ZIP
- 2129.
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 50 Bunker Hill 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. 50 Bunker Hill St's ENERGY STAR score of 47 compares with an average of 59 across the 163 that report a score; it scores higher than 30% of them and lower than 69%. Its site EUI of 78.8 kBtu/ft² is about 22% above the average of 64.5 kBtu/ft² — it uses more energy per square foot than the typical building in that group.
At 93,350 sq ft, it is about 12% above 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 50 Bunker Hill St's energy performance changed over time?
BuildingCensus holds 3 Boston disclosures for 50 Bunker Hill St, covering report years 2022–2024. Its ENERGY STAR score went from 37 in 2022 to 47 in 2024 (+10 points). Site EUI moved from 87.1 kBtu/ft² (2022) to 78.8 kBtu/ft² (2024), a 10% decrease. Reported emissions went from 472 tCO₂e to 395 tCO₂e over the same span (down 16%).
What does an ENERGY STAR score of 47 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 47 means the building performs better than about 47% of its national peers. BuildingCensus bands the score into report-card grades; 47 falls in band D — lowest band (1–54). It sits 28 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. 50 Bunker Hill St's 78.8 kBtu/ft² across 93,350 sq ft works out to about 7.4 billion Btu (2,156 MWh-equivalent) in 2024. The disclosure also reports 355,687 kWh of electricity and 61,398 therms of natural gas for the year.
Which law requires 50 Bunker Hill St to report its energy use?
50 Bunker Hill 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:101886:2024). 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
- K-12 School building #103124· 92,853 sq ft · score 84 (B)
- 235 Baker St· 91,425 sq ft · score 66 (C)
- 175 W Boundary Rd· 87,000 sq ft · score 14 (D)
- 205 Roxbury St· 83,120 sq ft · score 94 (A)
- 2214 Dorchester Ave· 81,888 sq ft · EUI 11.7 kBtu/ft²
- 28 Walker St· 81,655 sq ft · score 62 (C)
- 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 50 Bunker Hill St's energy grade?
50 Bunker Hill St scores 47 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 50 Bunker Hill St use?
Its 2024 site energy-use intensity was 78.8 kBtu/ft² across 93,350 sq ft, including 355,687 kWh of electricity and 61,398 therms of natural gas.
What are 50 Bunker Hill St's carbon emissions?
50 Bunker Hill St reported 395 tCO₂e of greenhouse-gas emissions for 2024.
Where is 50 Bunker Hill St?
50 Bunker Hill St is in Boston, Massachusetts 2129.
How big is 50 Bunker Hill St and when was it built?
50 Bunker Hill St has 93,350 sq ft of gross floor area, as reported in its 2024 disclosure. It is classed as K-12 school.
Is 50 Bunker Hill 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, “50 Bunker Hill St, Boston, Massachusetts — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/boston/50-bunker-hill-st-795b197c (data as of July 9, 2026).