420 West St
Other - Entertainment/Public Assembly in Boston, MA · 2136.
At a glance
420 West St is a 3,000-square-foot other - entertainment/public assembly building in Boston, Massachusetts. In its 2024 Boston benchmarking disclosure it reported a site energy-use intensity of 221.3 kBtu/ft² and 40 tCO₂e of greenhouse-gas emissions.
BERDO 2.0 · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 221.3 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 40 tCO₂e |
| GHG intensity | — |
| Electricity | 149,567 kWh |
| Gross floor area | 3,000 sq ft |
| Source record | boston:102102:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 221.3 kBtu/ft² | 40 tCO₂e | |
| 2023 | — | 242.8 kBtu/ft² | 46 tCO₂e | |
| 2022 | — | 233.4 kBtu/ft² | 55 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
- 420 West St
- City
- Boston
- State
- Massachusetts
- ZIP
- 2136.
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 420 West St compare with other other - entertainment/public assembly buildings in Boston?
The latest disclosures cover 10 other - entertainment/public assembly buildings in Boston, out of 6,305 buildings citywide. Its site EUI of 221.3 kBtu/ft² is about 148% above the average of 89.1 kBtu/ft² — it uses more energy per square foot than the typical building in that group.
At 3,000 sq ft, it is about 98% below the average floor area of 124,230 sq ft for those buildings.
How has 420 West St's energy performance changed over time?
BuildingCensus holds 3 Boston disclosures for 420 West St, covering report years 2022–2024. Site EUI moved from 233.4 kBtu/ft² (2022) to 221.3 kBtu/ft² (2024), a 5% decrease. Reported emissions went from 55 tCO₂e to 40 tCO₂e over the same span (down 26%).
What does a site EUI of 221.3 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. 420 West St's 221.3 kBtu/ft² across 3,000 sq ft works out to about 0.7 billion Btu (195 MWh-equivalent) in 2024. The disclosure also reports 149,567 kWh of electricity for the year.
Which law requires 420 West St to report its energy use?
420 West 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:102102:2024). 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 other - entertainment/public assembly buildings in Boston
Frequently asked questions
What is 420 West St's energy grade?
420 West St did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 221.3 kBtu/ft².
How much energy does 420 West St use?
Its 2024 site energy-use intensity was 221.3 kBtu/ft² across 3,000 sq ft, including 149,567 kWh of electricity.
What are 420 West St's carbon emissions?
420 West St reported 40 tCO₂e of greenhouse-gas emissions for 2024.
Where is 420 West St?
420 West St is in Boston, Massachusetts 2136.
How big is 420 West St and when was it built?
420 West St has 3,000 sq ft of gross floor area, as reported in its 2024 disclosure. It is classed as other - entertainment/public assembly.
Is 420 West 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, “420 West St, Boston, Massachusetts — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/boston/420-west-st-3cfa36b7 (data as of July 9, 2026).