129 Elm Street (Rear)
Self-Storage Facility in Boston, MA · 2121.
At a glance
129 Elm Street (Rear) is a 120-square-foot self-storage facility in Boston, Massachusetts. In its 2024 Boston benchmarking disclosure it reported a site energy-use intensity of 88.6 kBtu/ft² and 1 tCO₂e of greenhouse-gas emissions.
BERDO 2.0 · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 88.6 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 1 tCO₂e |
| GHG intensity | — |
| Electricity | 390 kWh |
| Natural gas | 93 therms |
| Gross floor area | 120 sq ft |
| Source record | boston:107941:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 88.6 kBtu/ft² | 1 tCO₂e | |
| 2023 | — | 90.4 kBtu/ft² | 1 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
BOSTON HOUSING AUTHORITY
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Location
- Address
- 129 Elm Street (Rear)
- City
- Boston
- State
- Massachusetts
- ZIP
- 2121.
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 129 Elm Street (Rear) compare with other self-storage facility buildings in Boston?
The latest disclosures cover 40 self-storage facility buildings in Boston, out of 6,305 buildings citywide. Its site EUI of 88.6 kBtu/ft² is about 50% above the average of 59.0 kBtu/ft² — it uses more energy per square foot than the typical building in that group.
At 120 sq ft, it is about 100% below the average floor area of 32,092 sq ft for those buildings. Across all 24 jurisdictions BuildingCensus covers, the 3,050 self-storage facility buildings average an ENERGY STAR score of 75 and a site EUI of 9.4 kBtu/ft².
How has 129 Elm Street (Rear)'s energy performance changed over time?
BuildingCensus holds 2 Boston disclosures for 129 Elm Street (Rear), covering report years 2023–2024. Site EUI moved from 90.4 kBtu/ft² (2023) to 88.6 kBtu/ft² (2024), a 2% decrease. Reported emissions went from 1 tCO₂e to 1 tCO₂e over the same span (down 3%).
What does a site EUI of 88.6 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. 129 Elm Street (Rear)'s 88.6 kBtu/ft² across 120 sq ft works out to about 0 billion Btu (3 MWh-equivalent) in 2024. The disclosure also reports 390 kWh of electricity and 93 therms of natural gas for the year.
Which law requires 129 Elm Street (Rear) to report its energy use?
129 Elm Street (Rear) 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:107941:2024). 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 self-storage facility buildings in Boston
Frequently asked questions
What is 129 Elm Street (Rear)'s energy grade?
129 Elm Street (Rear) did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 88.6 kBtu/ft².
How much energy does 129 Elm Street (Rear) use?
Its 2024 site energy-use intensity was 88.6 kBtu/ft² across 120 sq ft, including 390 kWh of electricity and 93 therms of natural gas.
What are 129 Elm Street (Rear)'s carbon emissions?
129 Elm Street (Rear) reported 1 tCO₂e of greenhouse-gas emissions for 2024.
Where is 129 Elm Street (Rear)?
129 Elm Street (Rear) is in Boston, Massachusetts 2121.
How big is 129 Elm Street (Rear) and when was it built?
129 Elm Street (Rear) has 120 sq ft of gross floor area, as reported in its 2024 disclosure. It is classed as self-storage facility.
Is 129 Elm Street (Rear) 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, “129 Elm Street (Rear), Boston, Massachusetts — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/boston/129-elm-street-rear-32cccab3 (data as of July 9, 2026).