2-6 Marginal St
Multifamily Housing in Boston, MA · 2128.
At a glance
2-6 Marginal St is a 4,780-square-foot multifamily housing building in Boston, Massachusetts. In its 2024 Boston benchmarking disclosure it reported a site energy-use intensity of 87.5 kBtu/ft² and 23 tCO₂e of greenhouse-gas emissions.
BERDO 2.0 · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 87.5 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 23 tCO₂e |
| GHG intensity | — |
| Electricity | 48,860 kWh |
| Natural gas | 2,517 therms |
| Gross floor area | 4,780 sq ft |
| Source record | boston:103652:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 87.5 kBtu/ft² | 23 tCO₂e | |
| 2023 | — | 82.7 kBtu/ft² | 22 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
HERITAGE HOUSING CORP
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Location
- Address
- 2-6 Marginal St
- City
- Boston
- State
- Massachusetts
- ZIP
- 2128.
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 2-6 Marginal 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 87.5 kBtu/ft² is about 29% above the average of 67.7 kBtu/ft² — it uses more energy per square foot than the typical building in that group.
At 4,780 sq ft, it is about 92% 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 2-6 Marginal St's energy performance changed over time?
BuildingCensus holds 3 Boston disclosures for 2-6 Marginal St, covering report years 2022–2024. Site EUI moved from 82.7 kBtu/ft² (2023) to 87.5 kBtu/ft² (2024), an 6% increase. Reported emissions went from 22 tCO₂e to 23 tCO₂e over the same span (up 3%).
What does a site EUI of 87.5 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. 2-6 Marginal St's 87.5 kBtu/ft² across 4,780 sq ft works out to about 0.4 billion Btu (123 MWh-equivalent) in 2024. The disclosure also reports 48,860 kWh of electricity and 2,517 therms of natural gas for the year.
Which law requires 2-6 Marginal St to report its energy use?
2-6 Marginal 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:103652:2024). 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
- 2-6 Estey St· 4,754 sq ft · EUI 38.2 kBtu/ft²
- 181-183 Stratton St· 4,708 sq ft · EUI 147.8 kBtu/ft²
- 42-48 Crispus Attucks Pl· 4,560 sq ft · EUI 71.9 kBtu/ft²
- 11-19 Obierne Pl· 4,560 sq ft · EUI 74.1 kBtu/ft²
- 55-61 Rockland St· 4,560 sq ft · EUI 68.5 kBtu/ft²
- 399 Forest Hills St· 4,470 sq ft · EUI 167.9 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 2-6 Marginal St's energy grade?
2-6 Marginal St did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 87.5 kBtu/ft².
How much energy does 2-6 Marginal St use?
Its 2024 site energy-use intensity was 87.5 kBtu/ft² across 4,780 sq ft, including 48,860 kWh of electricity and 2,517 therms of natural gas.
What are 2-6 Marginal St's carbon emissions?
2-6 Marginal St reported 23 tCO₂e of greenhouse-gas emissions for 2024.
Where is 2-6 Marginal St?
2-6 Marginal St is in Boston, Massachusetts 2128.
How big is 2-6 Marginal St and when was it built?
2-6 Marginal St has 4,780 sq ft of gross floor area, as reported in its 2024 disclosure. It is classed as multifamily housing.
Is 2-6 Marginal 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, “2-6 Marginal St, Boston, Massachusetts — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/boston/2-6-marginal-st-95a8dcfd (data as of July 9, 2026).