46 Joy St
Museum in Boston, MA · 2114.
At a glance
46 Joy St is a 4,500-square-foot museum building in Boston, Massachusetts. In its 2024 Boston benchmarking disclosure it reported a site energy-use intensity of 82.9 kBtu/ft² and 20 tCO₂e of greenhouse-gas emissions.
BERDO 2.0 · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 82.9 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 20 tCO₂e |
| GHG intensity | — |
| Electricity | 28,400 kWh |
| Natural gas | 2,760 therms |
| Gross floor area | 4,500 sq ft |
| Source record | boston:106947:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 82.9 kBtu/ft² | 20 tCO₂e | |
| 2023 | — | 88.8 kBtu/ft² | 22 tCO₂e | |
| 2022 | — | 97.1 kBtu/ft² | 26 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
CITY OF BOSTON
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Location
- Address
- 46 Joy St
- City
- Boston
- State
- Massachusetts
- ZIP
- 2114.
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 46 Joy St compare with other museum buildings in Boston?
The latest disclosures cover 13 museum buildings in Boston, out of 6,305 buildings citywide. Its site EUI of 82.9 kBtu/ft² is about 26% below the average of 111.6 kBtu/ft² — it uses less energy per square foot than the typical building in that group.
At 4,500 sq ft, it is about 97% below the average floor area of 152,283 sq ft for those buildings.
How has 46 Joy St's energy performance changed over time?
BuildingCensus holds 3 Boston disclosures for 46 Joy St, covering report years 2022–2024. Site EUI moved from 97.1 kBtu/ft² (2022) to 82.9 kBtu/ft² (2024), a 15% decrease. Reported emissions went from 26 tCO₂e to 20 tCO₂e over the same span (down 21%).
What does a site EUI of 82.9 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. 46 Joy St's 82.9 kBtu/ft² across 4,500 sq ft works out to about 0.4 billion Btu (109 MWh-equivalent) in 2024. The disclosure also reports 28,400 kWh of electricity and 2,760 therms of natural gas for the year.
Which law requires 46 Joy St to report its energy use?
46 Joy 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:106947:2024). 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 museum buildings in Boston
Frequently asked questions
What is 46 Joy St's energy grade?
46 Joy St did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 82.9 kBtu/ft².
How much energy does 46 Joy St use?
Its 2024 site energy-use intensity was 82.9 kBtu/ft² across 4,500 sq ft, including 28,400 kWh of electricity and 2,760 therms of natural gas.
What are 46 Joy St's carbon emissions?
46 Joy St reported 20 tCO₂e of greenhouse-gas emissions for 2024.
Where is 46 Joy St?
46 Joy St is in Boston, Massachusetts 2114.
How big is 46 Joy St and when was it built?
46 Joy St has 4,500 sq ft of gross floor area, as reported in its 2024 disclosure. It is classed as museum.
Is 46 Joy 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, “46 Joy St, Boston, Massachusetts — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/boston/46-joy-st-87932cf5 (data as of July 9, 2026).