5 Oak St W
Multifamily Housing in Boston, MA · 2116.
At a glance
5 Oak St W is a 132,000-square-foot multifamily housing building in Boston, Massachusetts. In its 2024 Boston benchmarking disclosure it reported an ENERGY STAR score of 64 out of 100 (grade C), a site energy-use intensity of 69.7 kBtu/ft² and 500 tCO₂e of greenhouse-gas emissions. That score is higher than 32% of the 1,225 scored multifamily housing buildings in Boston.
BERDO 2.0 · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 64 (band C) |
| Site EUI | 69.7 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 500 tCO₂e |
| GHG intensity | — |
| Electricity | 829,926 kWh |
| Natural gas | 63,691 therms |
| Gross floor area | 132,000 sq ft |
| Source record | boston:100562:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 64 | ±0 | 69.7 kBtu/ft² | 500 tCO₂e |
| 2023 | 64 | -4 | 68.8 kBtu/ft² | 502 tCO₂e |
| 2022 | 68 | 69.8 kBtu/ft² | 562 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
BC QUINCY TOWER LLC
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 5 Oak St W
- City
- Boston
- State
- Massachusetts
- ZIP
- 2116.
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 5 Oak St W 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. 5 Oak St W's ENERGY STAR score of 64 compares with an average of 71 across the 1,225 that report a score; it scores higher than 32% of them and lower than 67%. Its site EUI of 69.7 kBtu/ft² is roughly in line with the average of 67.7 kBtu/ft².
At 132,000 sq ft, it is about 127% 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 5 Oak St W's energy performance changed over time?
BuildingCensus holds 3 Boston disclosures for 5 Oak St W, covering report years 2022–2024. Its ENERGY STAR score went from 68 in 2022 to 64 in 2024 (-4 points); its best year on file was 2022, at 68. Site EUI moved from 69.8 kBtu/ft² (2022) to 69.7 kBtu/ft² (2024), a 0% decrease. Reported emissions went from 562 tCO₂e to 500 tCO₂e over the same span (down 11%).
What does an ENERGY STAR score of 64 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 64 means the building performs better than about 64% of its national peers. BuildingCensus bands the score into report-card grades; 64 falls in band C — below median (55–69). It sits 11 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. 5 Oak St W's 69.7 kBtu/ft² across 132,000 sq ft works out to about 9.2 billion Btu (2,696 MWh-equivalent) in 2024. The disclosure also reports 829,926 kWh of electricity and 63,691 therms of natural gas for the year.
Which law requires 5 Oak St W to report its energy use?
5 Oak St W 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:100562:2024). 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
- 21-23 Beacon St· 131,932 sq ft · score 54 (D)
- 25 Channel Center St· 131,888 sq ft · score 54 (D)
- 1 Cliffmont St· 130,920 sq ft · score 61 (C)
- Multifamily Housing building #105772· 130,000 sq ft · score 72 (B)
- 33 Blossom St· 129,648 sq ft · score 82 (B)
- 346-354 Congress St· 129,429 sq ft · score 59 (C)
- 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 5 Oak St W's energy grade?
5 Oak St W scores 64 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 5 Oak St W use?
Its 2024 site energy-use intensity was 69.7 kBtu/ft² across 132,000 sq ft, including 829,926 kWh of electricity and 63,691 therms of natural gas.
What are 5 Oak St W's carbon emissions?
5 Oak St W reported 500 tCO₂e of greenhouse-gas emissions for 2024.
Where is 5 Oak St W?
5 Oak St W is in Boston, Massachusetts 2116.
How big is 5 Oak St W and when was it built?
5 Oak St W has 132,000 sq ft of gross floor area, as reported in its 2024 disclosure. It is classed as multifamily housing.
Is 5 Oak St W 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.
Working with Boston building benchmarking records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “5 Oak St W, Boston, Massachusetts — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/boston/5-oak-st-w-91f0a0be (data as of July 9, 2026).