40-50 Bow St
Multifamily Housing in Boston, MA · 2136.
At a glance
40-50 Bow St is a 5,600-square-foot multifamily housing building in Boston, Massachusetts. In its 2024 Boston benchmarking disclosure it reported a site energy-use intensity of 127.8 kBtu/ft² and 39 tCO₂e of greenhouse-gas emissions.
BERDO 2.0 · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 127.8 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 39 tCO₂e |
| GHG intensity | — |
| Electricity | 51,966 kWh |
| Natural gas | 5,381 therms |
| Gross floor area | 5,600 sq ft |
| Source record | boston:101126:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 127.8 kBtu/ft² | 39 tCO₂e | |
| 2023 | — | 120.3 kBtu/ft² | 37 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
BOSTON HOUSING AUTHORITY
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Location
- Address
- 40-50 Bow St
- City
- Boston
- State
- Massachusetts
- ZIP
- 2136.
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 40-50 Bow 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 127.8 kBtu/ft² is about 89% above the average of 67.7 kBtu/ft² — it uses more energy per square foot than the typical building in that group.
At 5,600 sq ft, it is about 90% 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 40-50 Bow St's energy performance changed over time?
BuildingCensus holds 3 Boston disclosures for 40-50 Bow St, covering report years 2022–2024. Site EUI moved from 120.3 kBtu/ft² (2023) to 127.8 kBtu/ft² (2024), an 6% increase. Reported emissions went from 37 tCO₂e to 39 tCO₂e over the same span (up 5%).
What does a site EUI of 127.8 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. 40-50 Bow St's 127.8 kBtu/ft² across 5,600 sq ft works out to about 0.7 billion Btu (210 MWh-equivalent) in 2024. The disclosure also reports 51,966 kWh of electricity and 5,381 therms of natural gas for the year.
Which law requires 40-50 Bow St to report its energy use?
40-50 Bow 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:101126:2024). 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
- 213 Beacon St· 5,588 sq ft · EUI 27.2 kBtu/ft²
- 31A-31B Pond St· 5,580 sq ft · EUI 127.0 kBtu/ft²
- 33A-33B Pond St· 5,580 sq ft · EUI 127.0 kBtu/ft²
- 222-232 Monsignor Dennis F. O'Callaghan Way· 5,490 sq ft · EUI 130.1 kBtu/ft²
- 2 Buswell St· 5,458 sq ft · EUI 110.0 kBtu/ft²
- 6 Norfolk Ter· 5,400 sq ft · EUI 83.1 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 40-50 Bow St's energy grade?
40-50 Bow St did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 127.8 kBtu/ft².
How much energy does 40-50 Bow St use?
Its 2024 site energy-use intensity was 127.8 kBtu/ft² across 5,600 sq ft, including 51,966 kWh of electricity and 5,381 therms of natural gas.
What are 40-50 Bow St's carbon emissions?
40-50 Bow St reported 39 tCO₂e of greenhouse-gas emissions for 2024.
Where is 40-50 Bow St?
40-50 Bow St is in Boston, Massachusetts 2136.
How big is 40-50 Bow St and when was it built?
40-50 Bow St has 5,600 sq ft of gross floor area, as reported in its 2024 disclosure. It is classed as multifamily housing.
Is 40-50 Bow 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, “40-50 Bow St, Boston, Massachusetts — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/boston/40-50-bow-st-40c71c2e (data as of July 9, 2026).