122 Warren St
Multifamily Housing in Boston, MA · 2135.
At a glance
122 Warren St is a 16,750-square-foot multifamily housing building in Boston, Massachusetts. In its 2024 Boston benchmarking disclosure it reported a site energy-use intensity of 56.4 kBtu/ft² and 67 tCO₂e of greenhouse-gas emissions.
BERDO 2.0 · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 56.4 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 67 tCO₂e |
| GHG intensity | — |
| Electricity | 42,295 kWh |
| Natural gas | 381 therms |
| Gross floor area | 16,750 sq ft |
| Source record | boston:107579:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 56.4 kBtu/ft² | 67 tCO₂e | |
| 2023 | — | 73.8 kBtu/ft² | 88 tCO₂e | |
| 2022 | — | 79.3 kBtu/ft² | 99 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
MARCO REALTY CORP
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Location
- Address
- 122 Warren St
- City
- Boston
- State
- Massachusetts
- ZIP
- 2135.
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 122 Warren 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 56.4 kBtu/ft² is about 17% below the average of 67.7 kBtu/ft² — it uses less energy per square foot than the typical building in that group.
At 16,750 sq ft, it is about 71% 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 122 Warren St's energy performance changed over time?
BuildingCensus holds 3 Boston disclosures for 122 Warren St, covering report years 2022–2024. Site EUI moved from 79.3 kBtu/ft² (2022) to 56.4 kBtu/ft² (2024), a 29% decrease. Reported emissions went from 99 tCO₂e to 67 tCO₂e over the same span (down 32%).
What does a site EUI of 56.4 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. 122 Warren St's 56.4 kBtu/ft² across 16,750 sq ft works out to about 0.9 billion Btu (277 MWh-equivalent) in 2024. The disclosure also reports 42,295 kWh of electricity and 381 therms of natural gas for the year.
Which law requires 122 Warren St to report its energy use?
122 Warren 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:107579:2024). 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
- 31 Peterborough St· 16,720 sq ft
- 28 Seaver St· 16,700 sq ft · EUI 84.2 kBtu/ft²
- 1989 Columbus Ave· 16,645 sq ft · EUI 112.3 kBtu/ft²
- 15-17 Metcalf Ct· 16,632 sq ft · EUI 104.4 kBtu/ft²
- 25-27 Saint Rose St· 16,632 sq ft · EUI 104.4 kBtu/ft²
- 106 Queensberry St· 16,536 sq ft · score 95 (A)
- 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 122 Warren St's energy grade?
122 Warren St did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 56.4 kBtu/ft².
How much energy does 122 Warren St use?
Its 2024 site energy-use intensity was 56.4 kBtu/ft² across 16,750 sq ft, including 42,295 kWh of electricity and 381 therms of natural gas.
What are 122 Warren St's carbon emissions?
122 Warren St reported 67 tCO₂e of greenhouse-gas emissions for 2024.
Where is 122 Warren St?
122 Warren St is in Boston, Massachusetts 2135.
How big is 122 Warren St and when was it built?
122 Warren St has 16,750 sq ft of gross floor area, as reported in its 2024 disclosure. It is classed as multifamily housing.
Is 122 Warren 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, “122 Warren St, Boston, Massachusetts — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/boston/122-warren-st-257799a0 (data as of July 9, 2026).