258-260 Seaver St
Multifamily Housing in Boston, MA · 2121.
At a glance
258-260 Seaver St is a 20,005-square-foot multifamily housing building in Boston, Massachusetts. In its 2024 Boston benchmarking disclosure it reported an ENERGY STAR score of 66 out of 100 (grade C), a site energy-use intensity of 74.6 kBtu/ft² and 80 tCO₂e of greenhouse-gas emissions. That score is higher than 34% of the 1,225 scored multifamily housing buildings in Boston.
BERDO 2.0 · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 66 (band C) |
| Site EUI | 74.6 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 80 tCO₂e |
| GHG intensity | — |
| Electricity | 79,120 kWh |
| Natural gas | 12,223 therms |
| Gross floor area | 20,005 sq ft |
| Source record | boston:103371:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 66 | +10 | 74.6 kBtu/ft² | 80 tCO₂e |
| 2023 | 56 | -24 | 81.8 kBtu/ft² | 89 tCO₂e |
| 2022 | 80 | 67.5 kBtu/ft² | 88 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
GROVE HALL REDEVELOPER LLC MASS LLC
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Location
- Address
- 258-260 Seaver St
- 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 258-260 Seaver 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. 258-260 Seaver St's ENERGY STAR score of 66 compares with an average of 71 across the 1,225 that report a score; it scores higher than 34% of them and lower than 66%. Its site EUI of 74.6 kBtu/ft² is about 10% above the average of 67.7 kBtu/ft² — it uses more energy per square foot than the typical building in that group.
At 20,005 sq ft, it is about 66% 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 258-260 Seaver St's energy performance changed over time?
BuildingCensus holds 3 Boston disclosures for 258-260 Seaver St, covering report years 2022–2024. Its ENERGY STAR score went from 80 in 2022 to 66 in 2024 (-14 points); its best year on file was 2022, at 80. Site EUI moved from 67.5 kBtu/ft² (2022) to 74.6 kBtu/ft² (2024), an 11% increase. Reported emissions went from 88 tCO₂e to 80 tCO₂e over the same span (down 8%).
What does an ENERGY STAR score of 66 mean?
ENERGY STAR scores run from 1 to 100 and are computed by the EPA's Portfolio Manager as a percentile against similar buildings nationwide, adjusted for climate, size and use: a score of 66 means the building performs better than about 66% of its national peers. BuildingCensus bands the score into report-card grades; 66 falls in band C — below median (55–69). It sits 9 points below 75, the threshold for ENERGY STAR certification. In Boston, 52% of scored buildings are at 75 or above.
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. 258-260 Seaver St's 74.6 kBtu/ft² across 20,005 sq ft works out to about 1.5 billion Btu (437 MWh-equivalent) in 2024. The disclosure also reports 79,120 kWh of electricity and 12,223 therms of natural gas for the year.
Which law requires 258-260 Seaver St to report its energy use?
258-260 Seaver 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:103371:2024). 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
- 185-189 Chestnut Hill Ave· 20,000 sq ft · score 60 (C)
- 108 Washington St· 20,000 sq ft · score 82 (B)
- 606 E Fourth St· 20,000 sq ft · EUI 36.1 kBtu/ft²
- 332 Jamaicaway· 20,000 sq ft · score 40 (D)
- 163-165 Crawford St· 19,944 sq ft
- 24 Westland Ave· 19,910 sq ft · score 85 (A)
- 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 258-260 Seaver St's energy grade?
258-260 Seaver St scores 66 out of 100 on ENERGY STAR — band C, below median (55–69) — in its 2024 Boston disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 258-260 Seaver St use?
Its 2024 site energy-use intensity was 74.6 kBtu/ft² across 20,005 sq ft, including 79,120 kWh of electricity and 12,223 therms of natural gas.
What are 258-260 Seaver St's carbon emissions?
258-260 Seaver St reported 80 tCO₂e of greenhouse-gas emissions for 2024.
Where is 258-260 Seaver St?
258-260 Seaver St is in Boston, Massachusetts 2121.
How big is 258-260 Seaver St and when was it built?
258-260 Seaver St has 20,005 sq ft of gross floor area, as reported in its 2024 disclosure. It is classed as multifamily housing.
Is 258-260 Seaver 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, “258-260 Seaver St, Boston, Massachusetts — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/boston/258-260-seaver-st-84562873 (data as of July 9, 2026).