509-523B Medford St
Manufacturing/Industrial Plant in Boston, MA · 2129.
At a glance
509-523B Medford St is a 37,636-square-foot manufacturing/industrial plant in Boston, Massachusetts. In its 2024 Boston benchmarking disclosure it reported a site energy-use intensity of 35.0 kBtu/ft² and 71 tCO₂e of greenhouse-gas emissions.
BERDO 2.0 · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 35.0 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 71 tCO₂e |
| GHG intensity | — |
| Electricity | 35,635 kWh |
| Natural gas | 11,972 therms |
| Gross floor area | 37,636 sq ft |
| Source record | boston:106767:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 35.0 kBtu/ft² | 71 tCO₂e | |
| 2023 | — | 36.0 kBtu/ft² | 73 tCO₂e | |
| 2022 | — | 36.9 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
WISE REALTY TRUST
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Location
- Address
- 509-523B Medford St
- City
- Boston
- State
- Massachusetts
- ZIP
- 2129.
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 509-523B Medford St compare with other manufacturing/industrial plant buildings in Boston?
The latest disclosures cover 32 manufacturing/industrial plant buildings in Boston, out of 6,305 buildings citywide. Its site EUI of 35.0 kBtu/ft² is about 75% below the average of 142.5 kBtu/ft² — it uses less energy per square foot than the typical building in that group.
At 37,636 sq ft, it is about 69% below the average floor area of 122,773 sq ft for those buildings. Across all 24 jurisdictions BuildingCensus covers, the 2,372 manufacturing/industrial plant buildings average an ENERGY STAR score of 67 and a site EUI of 126.3 kBtu/ft².
How has 509-523B Medford St's energy performance changed over time?
BuildingCensus holds 3 Boston disclosures for 509-523B Medford St, covering report years 2022–2024. Site EUI moved from 36.9 kBtu/ft² (2022) to 35.0 kBtu/ft² (2024), a 5% decrease. Reported emissions went from 77 tCO₂e to 71 tCO₂e over the same span (down 9%).
What does a site EUI of 35.0 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. 509-523B Medford St's 35.0 kBtu/ft² across 37,636 sq ft works out to about 1.3 billion Btu (386 MWh-equivalent) in 2024. The disclosure also reports 35,635 kWh of electricity and 11,972 therms of natural gas for the year.
Which law requires 509-523B Medford St to report its energy use?
509-523B Medford 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:106767:2024). 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 manufacturing/industrial plant buildings in Boston
- 850 Albany St· 35,470 sq ft · EUI 59.2 kBtu/ft²
- 266 Border St· 34,579 sq ft · EUI 1.8 kBtu/ft²
- 40 Bunker Hill Industrial Park· 31,800 sq ft · EUI 43.0 kBtu/ft²
- 47R Kemble St· 30,675 sq ft · EUI 68.2 kBtu/ft²
- 51-55 Kemble St· 27,300 sq ft · EUI 144.9 kBtu/ft²
- 941 Massachusetts Ave· 20,837 sq ft · EUI 642.0 kBtu/ft²
- Manufacturing/Industrial Plant buildings in Boston· 32 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 509-523B Medford St's energy grade?
509-523B Medford St did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 35.0 kBtu/ft².
How much energy does 509-523B Medford St use?
Its 2024 site energy-use intensity was 35.0 kBtu/ft² across 37,636 sq ft, including 35,635 kWh of electricity and 11,972 therms of natural gas.
What are 509-523B Medford St's carbon emissions?
509-523B Medford St reported 71 tCO₂e of greenhouse-gas emissions for 2024.
Where is 509-523B Medford St?
509-523B Medford St is in Boston, Massachusetts 2129.
How big is 509-523B Medford St and when was it built?
509-523B Medford St has 37,636 sq ft of gross floor area, as reported in its 2024 disclosure. It is classed as manufacturing/industrial plant.
Is 509-523B Medford 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, “509-523B Medford St, Boston, Massachusetts — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/boston/509-523b-medford-st-03310b89 (data as of July 9, 2026).