234-248 Monsignor Dennis F. O'Callaghan Way
Multifamily Housing in Boston, MA · 2127.
At a glance
234-248 Monsignor Dennis F. O'Callaghan Way is a 7,606-square-foot multifamily housing building in Boston, Massachusetts. In its 2024 Boston benchmarking disclosure it reported a site energy-use intensity of 148.5 kBtu/ft² and 61 tCO₂e of greenhouse-gas emissions.
BERDO 2.0 · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 148.5 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 61 tCO₂e |
| GHG intensity | — |
| Electricity | 71,944 kWh |
| Natural gas | 8,837 therms |
| Gross floor area | 7,606 sq ft |
| Source record | boston:100895:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 148.5 kBtu/ft² | 61 tCO₂e | |
| 2023 | — | 95.7 kBtu/ft² | 39 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
- 234-248 Monsignor Dennis F. O'Callaghan Way
- City
- Boston
- State
- Massachusetts
- ZIP
- 2127.
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 234-248 Monsignor Dennis F. O'Callaghan 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 148.5 kBtu/ft² is about twice the average of 67.7 kBtu/ft² — it uses more energy per square foot than the typical building in that group.
At 7,606 sq ft, it is about 87% 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 234-248 Monsignor Dennis F. O'Callaghan Way's energy performance changed over time?
BuildingCensus holds 3 Boston disclosures for 234-248 Monsignor Dennis F. O'Callaghan Way, covering report years 2022–2024. Site EUI moved from 95.7 kBtu/ft² (2023) to 148.5 kBtu/ft² (2024), an 55% increase. Reported emissions went from 39 tCO₂e to 61 tCO₂e over the same span (up 54%).
What does a site EUI of 148.5 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. 234-248 Monsignor Dennis F. O'Callaghan Way's 148.5 kBtu/ft² across 7,606 sq ft works out to about 1.1 billion Btu (331 MWh-equivalent) in 2024. The disclosure also reports 71,944 kWh of electricity and 8,837 therms of natural gas for the year.
Which law requires 234-248 Monsignor Dennis F. O'Callaghan Way to report its energy use?
234-248 Monsignor Dennis F. O'Callaghan 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:100895:2024). 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
- 1-17 Hommagen Ct· 7,600 sq ft · EUI 71.9 kBtu/ft²
- 1A Buswell Street· 7,547 sq ft · EUI 65.5 kBtu/ft²
- 8-10 Estey St· 7,413 sq ft · EUI 48.0 kBtu/ft²
- 53 Glenway St· 7,412 sq ft · EUI 84.5 kBtu/ft²
- 50-60 Crispus Attucks Pl· 7,400 sq ft · EUI 71.9 kBtu/ft²
- 22-32 Obierne Pl· 7,400 sq ft · EUI 73.1 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 234-248 Monsignor Dennis F. O'Callaghan Way's energy grade?
234-248 Monsignor Dennis F. O'Callaghan Way did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 148.5 kBtu/ft².
How much energy does 234-248 Monsignor Dennis F. O'Callaghan Way use?
Its 2024 site energy-use intensity was 148.5 kBtu/ft² across 7,606 sq ft, including 71,944 kWh of electricity and 8,837 therms of natural gas.
What are 234-248 Monsignor Dennis F. O'Callaghan Way's carbon emissions?
234-248 Monsignor Dennis F. O'Callaghan Way reported 61 tCO₂e of greenhouse-gas emissions for 2024.
Where is 234-248 Monsignor Dennis F. O'Callaghan Way?
234-248 Monsignor Dennis F. O'Callaghan Way is in Boston, Massachusetts 2127.
How big is 234-248 Monsignor Dennis F. O'Callaghan Way and when was it built?
234-248 Monsignor Dennis F. O'Callaghan Way has 7,606 sq ft of gross floor area, as reported in its 2024 disclosure. It is classed as multifamily housing.
Is 234-248 Monsignor Dennis F. O'Callaghan 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, “234-248 Monsignor Dennis F. O'Callaghan Way, Boston, Massachusetts — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/boston/234-248-monsignor-dennis-f-o-callaghan-way-57a0db36 (data as of July 9, 2026).