123 Hamilton St
Multifamily Housing in Boston, MA · 2125.
At a glance
123 Hamilton St is a 28,500-square-foot multifamily housing building in Boston, Massachusetts. In its 2024 Boston benchmarking disclosure it reported a site energy-use intensity of 67.0 kBtu/ft² and 104 tCO₂e of greenhouse-gas emissions.
BERDO 2.0 · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 67.0 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 104 tCO₂e |
| GHG intensity | — |
| Electricity | 200,554 kWh |
| Natural gas | 12,245 therms |
| Gross floor area | 28,500 sq ft |
| Source record | boston:106270:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 67.0 kBtu/ft² | 104 tCO₂e | |
| 2023 | 79 | -3 | 64.4 kBtu/ft² | 102 tCO₂e |
| 2022 | 82 | 64.0 kBtu/ft² | 113 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
TRINITY GREEN INVESTMENTS LLC
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Location
- Address
- 123 Hamilton St
- City
- Boston
- State
- Massachusetts
- ZIP
- 2125.
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 123 Hamilton St compare with other multifamily housing buildings in Boston?
The latest disclosures cover 2,174 multifamily housing buildings in Boston, out of 6,305 buildings citywide. Its site EUI of 67.0 kBtu/ft² is roughly in line with the average of 67.7 kBtu/ft² — it uses less energy per square foot than the typical building in that group.
At 28,500 sq ft, it is about half of the average floor area of 58,087 sq ft for those buildings. Across all 24 jurisdictions BuildingCensus covers, the 59,945 multifamily housing buildings average an ENERGY STAR score of 70 and a site EUI of 59.0 kBtu/ft².
How has 123 Hamilton St's energy performance changed over time?
BuildingCensus holds 3 Boston disclosures for 123 Hamilton St, covering report years 2022–2024. Its ENERGY STAR score went from 82 in 2022 to 79 in 2023 (-3 points); its best year on file was 2022, at 82. Site EUI moved from 64.0 kBtu/ft² (2022) to 67.0 kBtu/ft² (2024), an 5% increase. Reported emissions went from 113 tCO₂e to 104 tCO₂e over the same span (down 8%).
What does a site EUI of 67.0 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. 123 Hamilton St's 67.0 kBtu/ft² across 28,500 sq ft works out to about 1.9 billion Btu (560 MWh-equivalent) in 2024. The disclosure also reports 200,554 kWh of electricity and 12,245 therms of natural gas for the year.
Which law requires 123 Hamilton St to report its energy use?
123 Hamilton 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:106270:2024). 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 multifamily housing buildings in Boston
- 228-232 Northampton St· 28,496 sq ft · EUI 43.8 kBtu/ft²
- 59-63B Washington St· 28,459 sq ft · score 17 (D)
- 445-447 Adams St· 28,448 sq ft · score 81 (B)
- 373 Commonwealth Ave· 28,420 sq ft · score 87 (A)
- 143 Columbia Rd· 28,420 sq ft · score 55 (C)
- 712-718 Blue Hill Ave· 28,396 sq ft · EUI 55.6 kBtu/ft²
- Multifamily Housing buildings in Boston· 2,174 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 123 Hamilton St's energy grade?
123 Hamilton St did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 67.0 kBtu/ft².
How much energy does 123 Hamilton St use?
Its 2024 site energy-use intensity was 67.0 kBtu/ft² across 28,500 sq ft, including 200,554 kWh of electricity and 12,245 therms of natural gas.
What are 123 Hamilton St's carbon emissions?
123 Hamilton St reported 104 tCO₂e of greenhouse-gas emissions for 2024.
Where is 123 Hamilton St?
123 Hamilton St is in Boston, Massachusetts 2125.
How big is 123 Hamilton St and when was it built?
123 Hamilton St has 28,500 sq ft of gross floor area, as reported in its 2024 disclosure. It is classed as multifamily housing.
Is 123 Hamilton 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, “123 Hamilton St, Boston, Massachusetts — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/boston/123-hamilton-st-879760d7 (data as of July 9, 2026).