40 Fay St
Multifamily Housing in Boston, MA · 2118.
At a glance
40 Fay St is a 38,758-square-foot multifamily housing building in Boston, Massachusetts. In its 2024 Boston benchmarking disclosure it reported a site energy-use intensity of 84.7 kBtu/ft² and 181 tCO₂e of greenhouse-gas emissions.
BERDO 2.0 · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 84.7 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 181 tCO₂e |
| GHG intensity | — |
| Electricity | 523,430 kWh |
| Natural gas | 14,978 therms |
| Gross floor area | 38,758 sq ft |
| Source record | boston:103158:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 84.7 kBtu/ft² | 181 tCO₂e | |
| 2023 | 8 | +1 | 85.4 kBtu/ft² | 188 tCO₂e |
| 2022 | 7 | 95.0 kBtu/ft² | 242 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
GATEWAY TERRACE CONDO TR
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Location
- Address
- 40 Fay St
- City
- Boston
- State
- Massachusetts
- ZIP
- 2118.
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 Fay 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 84.7 kBtu/ft² is about 25% above the average of 67.7 kBtu/ft² — it uses more energy per square foot than the typical building in that group.
At 38,758 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 40 Fay St's energy performance changed over time?
BuildingCensus holds 3 Boston disclosures for 40 Fay St, covering report years 2022–2024. Its ENERGY STAR score went from 7 in 2022 to 8 in 2023 (+1 points). Site EUI moved from 95.0 kBtu/ft² (2022) to 84.7 kBtu/ft² (2024), a 11% decrease. Reported emissions went from 242 tCO₂e to 181 tCO₂e over the same span (down 25%).
What does a site EUI of 84.7 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 Fay St's 84.7 kBtu/ft² across 38,758 sq ft works out to about 3.3 billion Btu (962 MWh-equivalent) in 2024. The disclosure also reports 523,430 kWh of electricity and 14,978 therms of natural gas for the year.
Which law requires 40 Fay St to report its energy use?
40 Fay 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:103158:2024). 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
- 65-83 Hammond St· 38,734 sq ft · EUI 36.5 kBtu/ft²
- 35 Fay St· 38,718 sq ft · score 2 (D)
- 1361-1375 Washington St· 38,667 sq ft · score 2 (D)
- 881-883 E First St· 38,600 sq ft · score 90 (A)
- 68 W Concord St· 38,493 sq ft · score 77 (B)
- Multifamily Housing building #106640· 38,456 sq ft · EUI 35.3 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 Fay St's energy grade?
40 Fay St did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 84.7 kBtu/ft².
How much energy does 40 Fay St use?
Its 2024 site energy-use intensity was 84.7 kBtu/ft² across 38,758 sq ft, including 523,430 kWh of electricity and 14,978 therms of natural gas.
What are 40 Fay St's carbon emissions?
40 Fay St reported 181 tCO₂e of greenhouse-gas emissions for 2024.
Where is 40 Fay St?
40 Fay St is in Boston, Massachusetts 2118.
How big is 40 Fay St and when was it built?
40 Fay St has 38,758 sq ft of gross floor area, as reported in its 2024 disclosure. It is classed as multifamily housing.
Is 40 Fay 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 Fay St, Boston, Massachusetts — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/boston/40-fay-st-aff33eb9 (data as of July 9, 2026).