At a glance
458 Walk Hill St is a 100,152-square-foot office building in Boston, Massachusetts. In its 2024 Boston benchmarking disclosure it reported a site energy-use intensity of 171.5 kBtu/ft² and 930 tCO₂e of greenhouse-gas emissions.
BERDO 2.0 · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 171.5 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 930 tCO₂e |
| GHG intensity | — |
| Electricity | 1,284,670 kWh |
| Natural gas | 127,974 therms |
| Gross floor area | 100,152 sq ft |
| Source record | boston:106776:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 171.5 kBtu/ft² | 930 tCO₂e | |
| 2023 | — | — | — | |
| 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
WORCESTER CITY CAMPUS CORP
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Location
- Address
- 458 Walk Hill St
- City
- Boston
- State
- Massachusetts
- ZIP
- 2126.
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 458 Walk Hill St compare with other office buildings in Boston?
The latest disclosures cover 467 office buildings in Boston, out of 6,305 buildings citywide. Its site EUI of 171.5 kBtu/ft² is about 178% above the average of 61.7 kBtu/ft² — it uses more energy per square foot than the typical building in that group.
At 100,152 sq ft, it is about half of the average floor area of 191,803 sq ft for those buildings. Across all 24 jurisdictions BuildingCensus covers, the 15,264 office buildings average an ENERGY STAR score of 73 and a site EUI of 59.3 kBtu/ft².
How has 458 Walk Hill St's energy performance changed over time?
BuildingCensus holds 3 Boston disclosures for 458 Walk Hill St, covering report years 2022–2024. Only one of those years carries energy figures.
What does a site EUI of 171.5 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. 458 Walk Hill St's 171.5 kBtu/ft² across 100,152 sq ft works out to about 17.2 billion Btu (5,034 MWh-equivalent) in 2024. The disclosure also reports 1,284,670 kWh of electricity and 127,974 therms of natural gas for the year.
Which law requires 458 Walk Hill St to report its energy use?
458 Walk Hill 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:106776:2024). 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 office buildings in Boston
- 200 William T Morrissey Blvd· 100,000 sq ft
- 6-6B Beacon St· 100,000 sq ft · score 92 (A)
- 11-17 East St· 99,170 sq ft · score 81 (B)
- 40 Hawkins St· 98,736 sq ft · EUI 176.9 kBtu/ft²
- 374-382 Congress St· 98,010 sq ft · score 50 (D)
- 960 Massachusetts Ave· 97,929 sq ft · score 94 (A)
- Office buildings in Boston· 467 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 458 Walk Hill St's energy grade?
458 Walk Hill St did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 171.5 kBtu/ft².
How much energy does 458 Walk Hill St use?
Its 2024 site energy-use intensity was 171.5 kBtu/ft² across 100,152 sq ft, including 1,284,670 kWh of electricity and 127,974 therms of natural gas.
What are 458 Walk Hill St's carbon emissions?
458 Walk Hill St reported 930 tCO₂e of greenhouse-gas emissions for 2024.
Where is 458 Walk Hill St?
458 Walk Hill St is in Boston, Massachusetts 2126.
How big is 458 Walk Hill St and when was it built?
458 Walk Hill St has 100,152 sq ft of gross floor area, as reported in its 2024 disclosure. It is classed as office.
Is 458 Walk Hill 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, “458 Walk Hill St, Boston, Massachusetts — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/boston/458-walk-hill-st-fd1d342f (data as of July 9, 2026).