169-171 Walnut St
Multifamily Housing in Boston, MA · 2122.
At a glance
169-171 Walnut St is a 9,048-square-foot multifamily housing building in Boston, Massachusetts. In its 2024 Boston benchmarking disclosure it reported 6 tCO₂e of greenhouse-gas emissions.
BERDO 2.0 · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | — |
| Source EUI | — |
| GHG emissions | 6 tCO₂e |
| GHG intensity | — |
| Electricity | 29,744 kWh |
| Gross floor area | 9,048 sq ft |
| Source record | boston:102861:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | — | 6 tCO₂e | |
| 2023 | — | 48.7 kBtu/ft² | 24 tCO₂e | |
| 2022 | — | 52.0 kBtu/ft² | 28 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
ESTUARY PT NORFOLK CONDO TR
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Location
- Address
- 169-171 Walnut St
- City
- Boston
- State
- Massachusetts
- ZIP
- 2122.
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 169-171 Walnut 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.
At 9,048 sq ft, it is about 84% 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 169-171 Walnut St's energy performance changed over time?
BuildingCensus holds 3 Boston disclosures for 169-171 Walnut St, covering report years 2022–2024. Site EUI moved from 52.0 kBtu/ft² (2022) to 48.7 kBtu/ft² (2023), a 6% decrease. Reported emissions went from 28 tCO₂e to 6 tCO₂e over the same span (down 80%).
Which law requires 169-171 Walnut St to report its energy use?
169-171 Walnut 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:102861:2024). 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
- 1706 Commonwealth Ave· 9,000 sq ft · score 34 (D)
- 881 Huntington Av· 8,920 sq ft
- 16-22 Kemp St· 8,884 sq ft · EUI 130.2 kBtu/ft²
- 119 Berkeley St· 8,778 sq ft · score 93 (A)
- 110 Lanark Rd· 8,716 sq ft · EUI 13.6 kBtu/ft²
- 200-206 Fisher Ave· 8,672 sq ft · EUI 36.8 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 169-171 Walnut St's energy grade?
169-171 Walnut St did not report an ENERGY STAR score in its 2024 disclosure.
How much energy does 169-171 Walnut St use?
No energy-use intensity was reported for 2024.
What are 169-171 Walnut St's carbon emissions?
169-171 Walnut St reported 6 tCO₂e of greenhouse-gas emissions for 2024.
Where is 169-171 Walnut St?
169-171 Walnut St is in Boston, Massachusetts 2122.
How big is 169-171 Walnut St and when was it built?
169-171 Walnut St has 9,048 sq ft of gross floor area, as reported in its 2024 disclosure. It is classed as multifamily housing.
Is 169-171 Walnut 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, “169-171 Walnut St, Boston, Massachusetts — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/boston/169-171-walnut-st-f39ffefa (data as of July 9, 2026).