At a glance
Long Island Guardhouse is a 800-square-foot office building in Boston, Massachusetts. In its 2024 Boston benchmarking disclosure it reported 7 tCO₂e of greenhouse-gas emissions.
BERDO 2.0 · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | — |
| Source EUI | — |
| GHG emissions | 7 tCO₂e |
| GHG intensity | — |
| Electricity | 35,665 kWh |
| Gross floor area | 800 sq ft |
| Source record | boston:107235:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | — | 7 tCO₂e | |
| 2023 | — | 141.0 kBtu/ft² | 8 tCO₂e | |
| 2022 | — | 212.9 kBtu/ft² | 13 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
- Long Island Guardhouse
- City
- Boston
- State
- Massachusetts
- ZIP
- 2130.
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 Long Island Guardhouse compare with other office buildings in Boston?
The latest disclosures cover 467 office buildings in Boston, out of 6,305 buildings citywide.
At 800 sq ft, it is about 100% below 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 Long Island Guardhouse's energy performance changed over time?
BuildingCensus holds 3 Boston disclosures for Long Island Guardhouse, covering report years 2022–2024. Site EUI moved from 212.9 kBtu/ft² (2022) to 141.0 kBtu/ft² (2023), a 34% decrease. Reported emissions went from 13 tCO₂e to 7 tCO₂e over the same span (down 46%).
Which law requires Long Island Guardhouse to report its energy use?
Long Island Guardhouse 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:107235:2024). 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.
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- Moon Island Training Campus_#16 Office (Aux)· 665 sq ft · EUI 44.3 kBtu/ft²
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- Pwd-Streetlighting Yard_Small Trailer· 248 sq ft
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- 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 Long Island Guardhouse's energy grade?
Long Island Guardhouse did not report an ENERGY STAR score in its 2024 disclosure.
How much energy does Long Island Guardhouse use?
No energy-use intensity was reported for 2024.
What are Long Island Guardhouse's carbon emissions?
Long Island Guardhouse reported 7 tCO₂e of greenhouse-gas emissions for 2024.
Where is Long Island Guardhouse?
Long Island Guardhouse is in Boston, Massachusetts 2130.
How big is Long Island Guardhouse and when was it built?
Long Island Guardhouse has 800 sq ft of gross floor area, as reported in its 2024 disclosure. It is classed as office.
Is Long Island Guardhouse 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, “Long Island Guardhouse, Boston, Massachusetts — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/boston/long-island-guardhouse-95e49c7e (data as of July 9, 2026).