12 Fidelis Way
Multifamily Housing in Boston, MA · 2135.
At a glance
12 Fidelis Way is a 52,770-square-foot multifamily housing building in Boston, Massachusetts. In its 2024 Boston benchmarking disclosure it reported a site energy-use intensity of 64.3 kBtu/ft² and 185 tCO₂e of greenhouse-gas emissions.
BERDO 2.0 · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 64.3 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 185 tCO₂e |
| GHG intensity | — |
| Electricity | 322,025 kWh |
| Natural gas | 22,949 therms |
| Gross floor area | 52,770 sq ft |
| Source record | boston:106832:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 64.3 kBtu/ft² | 185 tCO₂e | |
| 2023 | — | 62.4 kBtu/ft² | 183 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
BOSTON HOUSING AUTHORITY
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Location
- Address
- 12 Fidelis Way
- 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 12 Fidelis Way 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 64.3 kBtu/ft² is roughly in line with the average of 67.7 kBtu/ft² — it uses less energy per square foot than the typical building in that group.
At 52,770 sq ft, it is roughly in line with 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 12 Fidelis Way's energy performance changed over time?
BuildingCensus holds 3 Boston disclosures for 12 Fidelis Way, covering report years 2022–2024. Site EUI moved from 62.4 kBtu/ft² (2023) to 64.3 kBtu/ft² (2024), an 3% increase. Reported emissions went from 183 tCO₂e to 185 tCO₂e over the same span (up 1%).
What does a site EUI of 64.3 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. 12 Fidelis Way's 64.3 kBtu/ft² across 52,770 sq ft works out to about 3.4 billion Btu (994 MWh-equivalent) in 2024. The disclosure also reports 322,025 kWh of electricity and 22,949 therms of natural gas for the year.
Which law requires 12 Fidelis Way to report its energy use?
12 Fidelis Way 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:106832:2024). 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
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- 51-55 Catbird Ct· 52,428 sq ft · score 38 (D)
- Multifamily Housing building #103613· 52,356 sq ft
- 131 Morton St· 52,300 sq ft · score 73 (B)
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- Multifamily Housing buildings in Boston· 2,174 benchmarked
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Frequently asked questions
What is 12 Fidelis Way's energy grade?
12 Fidelis Way did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 64.3 kBtu/ft².
How much energy does 12 Fidelis Way use?
Its 2024 site energy-use intensity was 64.3 kBtu/ft² across 52,770 sq ft, including 322,025 kWh of electricity and 22,949 therms of natural gas.
What are 12 Fidelis Way's carbon emissions?
12 Fidelis Way reported 185 tCO₂e of greenhouse-gas emissions for 2024.
Where is 12 Fidelis Way?
12 Fidelis Way is in Boston, Massachusetts 2135.
How big is 12 Fidelis Way and when was it built?
12 Fidelis Way has 52,770 sq ft of gross floor area, as reported in its 2024 disclosure. It is classed as multifamily housing.
Is 12 Fidelis Way 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, “12 Fidelis Way, Boston, Massachusetts — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/boston/12-fidelis-way-69affd82 (data as of July 9, 2026).