131 Seaport Blvd
Multifamily Housing in Boston, MA · 2210.
At a glance
131 Seaport Blvd is a 353,510-square-foot multifamily housing building in Boston, Massachusetts. In its 2024 Boston benchmarking disclosure it reported a site energy-use intensity of 40.8 kBtu/ft² and 787 tCO₂e of greenhouse-gas emissions.
BERDO 2.0 · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 40.8 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 787 tCO₂e |
| GHG intensity | — |
| Electricity | 1,584,364 kWh |
| Natural gas | 90,161 therms |
| Gross floor area | 353,510 sq ft |
| Source record | boston:107378:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 40.8 kBtu/ft² | 787 tCO₂e | |
| 2023 | — | 50.8 kBtu/ft² | 1,035 tCO₂e | |
| 2022 | 24 | 71.2 kBtu/ft² | 1,133 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 SEAPORT ALYX OWNER LLC
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Location
- Address
- 131 Seaport Blvd
- City
- Boston
- State
- Massachusetts
- ZIP
- 2210.
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 131 Seaport Blvd 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 40.8 kBtu/ft² is about 40% below the average of 67.7 kBtu/ft² — it uses less energy per square foot than the typical building in that group.
At 353,510 sq ft, it is about 509% above 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 131 Seaport Blvd's energy performance changed over time?
BuildingCensus holds 3 Boston disclosures for 131 Seaport Blvd, covering report years 2022–2024. Site EUI moved from 71.2 kBtu/ft² (2022) to 40.8 kBtu/ft² (2024), a 43% decrease. Reported emissions went from 1,133 tCO₂e to 787 tCO₂e over the same span (down 31%).
What does a site EUI of 40.8 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. 131 Seaport Blvd's 40.8 kBtu/ft² across 353,510 sq ft works out to about 14.4 billion Btu (4,227 MWh-equivalent) in 2024. The disclosure also reports 1,584,364 kWh of electricity and 90,161 therms of natural gas for the year.
Which law requires 131 Seaport Blvd to report its energy use?
131 Seaport Blvd 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:107378:2024). 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
- 1-3 Nassau St· 350,000 sq ft · score 92 (A)
- Multifamily Housing building #103507· 349,303 sq ft · EUI 57.8 kBtu/ft²
- 761-779 Beacon St· 348,113 sq ft · score 48 (D)
- 790 Boylston St· 340,200 sq ft · score 37 (D)
- 780 Boylston St· 340,200 sq ft
- 770 Boylston St· 340,200 sq ft · score 2 (D)
- 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 131 Seaport Blvd's energy grade?
131 Seaport Blvd did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 40.8 kBtu/ft².
How much energy does 131 Seaport Blvd use?
Its 2024 site energy-use intensity was 40.8 kBtu/ft² across 353,510 sq ft, including 1,584,364 kWh of electricity and 90,161 therms of natural gas.
What are 131 Seaport Blvd's carbon emissions?
131 Seaport Blvd reported 787 tCO₂e of greenhouse-gas emissions for 2024.
Where is 131 Seaport Blvd?
131 Seaport Blvd is in Boston, Massachusetts 2210.
How big is 131 Seaport Blvd and when was it built?
131 Seaport Blvd has 353,510 sq ft of gross floor area, as reported in its 2024 disclosure. It is classed as multifamily housing.
Is 131 Seaport Blvd 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, “131 Seaport Blvd, Boston, Massachusetts — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/boston/131-seaport-blvd-bd0e9c8d (data as of July 9, 2026).