21-23 Saint Rose St
Multifamily Housing in Boston, MA · 2130.
At a glance
21-23 Saint Rose St is a 11,088-square-foot multifamily housing building in Boston, Massachusetts. In its 2024 Boston benchmarking disclosure it reported a site energy-use intensity of 104.4 kBtu/ft² and 62 tCO₂e of greenhouse-gas emissions.
BERDO 2.0 · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 104.4 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 62 tCO₂e |
| GHG intensity | — |
| Electricity | 48,071 kWh |
| Natural gas | 9,940 therms |
| Gross floor area | 11,088 sq ft |
| Source record | boston:101999:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 104.4 kBtu/ft² | 62 tCO₂e | |
| 2023 | — | 101.8 kBtu/ft² | 61 tCO₂e | |
| 2022 | — | 124.0 kBtu/ft² | 77 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
- 21-23 Saint Rose St
- 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 21-23 Saint Rose 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 104.4 kBtu/ft² is about 54% above the average of 67.7 kBtu/ft² — it uses more energy per square foot than the typical building in that group.
At 11,088 sq ft, it is about 81% below 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 21-23 Saint Rose St's energy performance changed over time?
BuildingCensus holds 3 Boston disclosures for 21-23 Saint Rose St, covering report years 2022–2024. Site EUI moved from 124.0 kBtu/ft² (2022) to 104.4 kBtu/ft² (2024), a 16% decrease. Reported emissions went from 77 tCO₂e to 62 tCO₂e over the same span (down 19%).
What does a site EUI of 104.4 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. 21-23 Saint Rose St's 104.4 kBtu/ft² across 11,088 sq ft works out to about 1.2 billion Btu (339 MWh-equivalent) in 2024. The disclosure also reports 48,071 kWh of electricity and 9,940 therms of natural gas for the year.
Which law requires 21-23 Saint Rose St to report its energy use?
21-23 Saint Rose 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:101999:2024). 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
- 56 Gardner St· 11,050 sq ft · EUI 106.0 kBtu/ft²
- 140A-142B N Beacon St· 11,043 sq ft · EUI 62.1 kBtu/ft²
- 154A-154B N Beacon St· 11,043 sq ft · EUI 25.8 kBtu/ft²
- 200 Corey Rd· 11,000 sq ft · EUI 68.7 kBtu/ft²
- 330-340 Main St· 10,880 sq ft
- 358-374 Ashmont St· 10,800 sq ft · EUI 172.7 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 21-23 Saint Rose St's energy grade?
21-23 Saint Rose St did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 104.4 kBtu/ft².
How much energy does 21-23 Saint Rose St use?
Its 2024 site energy-use intensity was 104.4 kBtu/ft² across 11,088 sq ft, including 48,071 kWh of electricity and 9,940 therms of natural gas.
What are 21-23 Saint Rose St's carbon emissions?
21-23 Saint Rose St reported 62 tCO₂e of greenhouse-gas emissions for 2024.
Where is 21-23 Saint Rose St?
21-23 Saint Rose St is in Boston, Massachusetts 2130.
How big is 21-23 Saint Rose St and when was it built?
21-23 Saint Rose St has 11,088 sq ft of gross floor area, as reported in its 2024 disclosure. It is classed as multifamily housing.
Is 21-23 Saint Rose 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, “21-23 Saint Rose St, Boston, Massachusetts — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/boston/21-23-saint-rose-st-7f8373a9 (data as of July 9, 2026).