At a glance
120 Ashford St is a 69,877-square-foot office building in Boston, Massachusetts. In its 2024 Boston benchmarking disclosure it reported a site energy-use intensity of 109.8 kBtu/ft² and 418 tCO₂e of greenhouse-gas emissions.
BERDO 2.0 · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 109.8 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 418 tCO₂e |
| GHG intensity | — |
| Electricity | 771,933 kWh |
| Natural gas | 50,417 therms |
| Gross floor area | 69,877 sq ft |
| Source record | boston:106277:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 109.8 kBtu/ft² | 418 tCO₂e | |
| 2023 | — | 121.6 kBtu/ft² | 470 tCO₂e | |
| 2022 | — | 155.0 kBtu/ft² | 654 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
TRUSTEES OF BOSTON UNIVERSITY
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Location
- Address
- 120 Ashford St
- City
- Boston
- State
- Massachusetts
- ZIP
- 2134.
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 120 Ashford St compare with other office buildings in Boston?
The latest disclosures cover 467 office buildings in Boston, out of 6,305 buildings citywide. Its site EUI of 109.8 kBtu/ft² is about 78% above the average of 61.7 kBtu/ft² — it uses more energy per square foot than the typical building in that group.
At 69,877 sq ft, it is about 64% below the average floor area of 191,803 sq ft for those buildings. Across all 24 jurisdictions BuildingCensus covers, the 15,264 office buildings average an ENERGY STAR score of 73 and a site EUI of 59.3 kBtu/ft².
How has 120 Ashford St's energy performance changed over time?
BuildingCensus holds 3 Boston disclosures for 120 Ashford St, covering report years 2022–2024. Site EUI moved from 155.0 kBtu/ft² (2022) to 109.8 kBtu/ft² (2024), a 29% decrease. Reported emissions went from 654 tCO₂e to 418 tCO₂e over the same span (down 36%).
What does a site EUI of 109.8 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. 120 Ashford St's 109.8 kBtu/ft² across 69,877 sq ft works out to about 7.7 billion Btu (2,249 MWh-equivalent) in 2024. The disclosure also reports 771,933 kWh of electricity and 50,417 therms of natural gas for the year.
Which law requires 120 Ashford St to report its energy use?
120 Ashford 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:106277:2024). 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 office buildings in Boston
- 1-1A State St· 69,030 sq ft · score 82 (B)
- 20 Eastern Ave· 68,035 sq ft · score 73 (B)
- 27-35 Harrison Ave· 67,500 sq ft · EUI 62.5 kBtu/ft²
- 11-19 Deerfield St· 66,507 sq ft
- 39-43 Smith St· 65,684 sq ft · EUI 43.0 kBtu/ft²
- 2 Liberty Sq· 65,343 sq ft · score 51 (D)
- Office buildings in Boston· 467 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 120 Ashford St's energy grade?
120 Ashford St did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 109.8 kBtu/ft².
How much energy does 120 Ashford St use?
Its 2024 site energy-use intensity was 109.8 kBtu/ft² across 69,877 sq ft, including 771,933 kWh of electricity and 50,417 therms of natural gas.
What are 120 Ashford St's carbon emissions?
120 Ashford St reported 418 tCO₂e of greenhouse-gas emissions for 2024.
Where is 120 Ashford St?
120 Ashford St is in Boston, Massachusetts 2134.
How big is 120 Ashford St and when was it built?
120 Ashford St has 69,877 sq ft of gross floor area, as reported in its 2024 disclosure. It is classed as office.
Is 120 Ashford 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, “120 Ashford St, Boston, Massachusetts — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/boston/120-ashford-st-f3a10b9c (data as of July 9, 2026).