2-26 Marden Ave
Multifamily Housing in Boston, MA · 2124.
At a glance
2-26 Marden Ave is a 39,163-square-foot multifamily housing building in Boston, Massachusetts. In its 2024 Boston benchmarking disclosure it reported an ENERGY STAR score of 59 out of 100 (grade C), a site energy-use intensity of 39.8 kBtu/ft² and 89 tCO₂e of greenhouse-gas emissions. That score is higher than 27% of the 1,225 scored multifamily housing buildings in Boston.
BERDO 2.0 · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 59 (band C) |
| Site EUI | 39.8 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 89 tCO₂e |
| GHG intensity | — |
| Electricity | 456,304 kWh |
| Gross floor area | 39,163 sq ft |
| Source record | boston:101360:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 59 | -7 | 39.8 kBtu/ft² | 89 tCO₂e |
| 2023 | 66 | -3 | 37.3 kBtu/ft² | 88 tCO₂e |
| 2022 | 69 | 38.1 kBtu/ft² | 118 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
BRADFORD ESTATES CONDO TR
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Location
- Address
- 2-26 Marden Ave
- City
- Boston
- State
- Massachusetts
- ZIP
- 2124.
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 2-26 Marden Ave 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. 2-26 Marden Ave's ENERGY STAR score of 59 compares with an average of 71 across the 1,225 that report a score; it scores higher than 27% of them and lower than 72%. Its site EUI of 39.8 kBtu/ft² is about 41% below the average of 67.7 kBtu/ft² — it uses less energy per square foot than the typical building in that group.
At 39,163 sq ft, it is about 33% 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 2-26 Marden Ave's energy performance changed over time?
BuildingCensus holds 3 Boston disclosures for 2-26 Marden Ave, covering report years 2022–2024. Its ENERGY STAR score went from 69 in 2022 to 59 in 2024 (-10 points); its best year on file was 2022, at 69. Site EUI moved from 38.1 kBtu/ft² (2022) to 39.8 kBtu/ft² (2024), an 4% increase. Reported emissions went from 118 tCO₂e to 89 tCO₂e over the same span (down 25%).
What does an ENERGY STAR score of 59 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 59 means the building performs better than about 59% of its national peers. BuildingCensus bands the score into report-card grades; 59 falls in band C — below median (55–69). It sits 16 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. 2-26 Marden Ave's 39.8 kBtu/ft² across 39,163 sq ft works out to about 1.6 billion Btu (457 MWh-equivalent) in 2024. The disclosure also reports 456,304 kWh of electricity for the year.
Which law requires 2-26 Marden Ave to report its energy use?
2-26 Marden Ave 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:101360:2024). 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
- 87 Saint Stephen St· 39,048 sq ft · score 86 (A)
- 102 Columbia Rd· 39,006 sq ft · score 77 (B)
- 493-501 Washington St· 39,006 sq ft · score 98 (A)
- 1797-1815 Washington St· 38,976 sq ft · score 63 (C)
- 40 Fay St· 38,758 sq ft · EUI 84.7 kBtu/ft²
- 65-83 Hammond St· 38,734 sq ft · EUI 36.5 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 2-26 Marden Ave's energy grade?
2-26 Marden Ave scores 59 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 2-26 Marden Ave use?
Its 2024 site energy-use intensity was 39.8 kBtu/ft² across 39,163 sq ft, including 456,304 kWh of electricity.
What are 2-26 Marden Ave's carbon emissions?
2-26 Marden Ave reported 89 tCO₂e of greenhouse-gas emissions for 2024.
Where is 2-26 Marden Ave?
2-26 Marden Ave is in Boston, Massachusetts 2124.
How big is 2-26 Marden Ave and when was it built?
2-26 Marden Ave has 39,163 sq ft of gross floor area, as reported in its 2024 disclosure. It is classed as multifamily housing.
Is 2-26 Marden Ave 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, “2-26 Marden Ave, Boston, Massachusetts — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/boston/2-26-marden-ave-b321ea12 (data as of July 9, 2026).