100 Walker Street
At a glance
100 Walker Street is a 172,773-square-foot residence hall/dormitory in Cambridge, Massachusetts, built in 1901. In its 2024 Cambridge benchmarking disclosure it reported a site energy-use intensity of 50.0 kBtu/ft² and 513 tCO₂e of greenhouse-gas emissions.
BEUDO · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 50.0 kBtu/ft² |
| Source EUI | 73.3 kBtu/ft² |
| GHG emissions | 513 tCO₂e |
| GHG intensity | — |
| Electricity | 608,596 kWh |
| Natural gas | 58,584 therms |
| Water use | 3,193 kgal |
| Gross floor area | 172,773 sq ft |
| Source record | cambridge:B1177:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 50.0 kBtu/ft² | 513 tCO₂e | |
| 2023 | — | 51.0 kBtu/ft² | 469 tCO₂e | |
| 2022 | — | 56.4 kBtu/ft² | 517 tCO₂e | |
| 2021 | — | 56.8 kBtu/ft² | 518 tCO₂e | |
| 2020 | — | 74.8 kBtu/ft² | 677 tCO₂e | |
| 2019 | — | 88.1 kBtu/ft² | 783 tCO₂e | |
| 2018 | — | 101.8 kBtu/ft² | 972 tCO₂e | |
| 2017 | — | 91.3 kBtu/ft² | 882 tCO₂e | |
| 2016 | — | 89.4 kBtu/ft² | 867 tCO₂e | |
| 2015 | — | 92.4 kBtu/ft² | 902 tCO₂e |
Compliance context
BEUDO
Cambridge's 2023 BEUDO amendments require non-residential buildings of 100,000+ sq ft to reach net-zero emissions by 2035 (reductions starting 2026) and those of 25,000–100,000 sq ft by 2050 (starting 2030).
Ownership
PRESIDENT & FELLOWS OF HARVARD COLLEGE
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Location
- Address
- 100 Walker Street
- City
- Cambridge
- State
- Massachusetts
- Coordinates
- 42.38160, -71.12480
Within ~1 km
Nearby benchmarked buildings
- 330 Mount Auburn Stscore 76
Hospital (General Medical & Surgical) · 652,524 sq ft
- 1545 Massachusetts Avenuescore —
College/University · 281,097 sq ft
- 1586 Massachusetts Avenuescore —
College/University · 262,602 sq ft
- 46-56 Linnaean Streetscore —
Residence Hall/Dormitory · 251,014 sq ft
- 21 Walden Square Roadscore 86
Multifamily Housing · 250,389 sq ft
- 1815 MASSACHUSETTS AVEscore —
College/University · 231,590 sq ft
See also: most efficient in Cambridge · biggest emitters
How does 100 Walker Street compare with other residence hall/dormitory buildings in Cambridge?
The latest disclosures cover 43 residence hall/dormitory buildings in Cambridge, out of 902 buildings citywide. Its site EUI of 50.0 kBtu/ft² is about 29% below the average of 70.2 kBtu/ft² — it uses less energy per square foot than the typical building in that group.
At 172,773 sq ft, it is about 69% above the average floor area of 102,348 sq ft for those buildings. It was built in 1901, 15 years earlier than the group's average year built (1916). Across all 24 jurisdictions BuildingCensus covers, the 702 residence hall/dormitory buildings average an ENERGY STAR score of 70 and a site EUI of 70.7 kBtu/ft².
How has 100 Walker Street's energy performance changed over time?
BuildingCensus holds 10 Cambridge disclosures for 100 Walker Street, covering report years 2015–2024. Site EUI moved from 92.4 kBtu/ft² (2015) to 50.0 kBtu/ft² (2024), a 46% decrease. Reported emissions went from 902 tCO₂e to 513 tCO₂e over the same span (down 43%).
What does a site EUI of 50.0 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. 100 Walker Street's 50.0 kBtu/ft² across 172,773 sq ft works out to about 8.6 billion Btu (2,532 MWh-equivalent) in 2024. Its source EUI of 73.3 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 608,596 kWh of electricity, 58,584 therms of natural gas and 3,193 thousand gallons of water for the year.
Which law requires 100 Walker Street to report its energy use?
100 Walker Street reports under BEUDO, the legal basis of Cambridge's Building Energy Use Disclosure Ordinance (BEUDO), which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2024 disclosure (source record cambridge:B1177:2024). Cambridge's 2023 BEUDO amendments require non-residential buildings of 100,000+ sq ft to reach net-zero emissions by 2035 (reductions starting 2026) and those of 25,000–100,000 sq ft by 2050 (starting 2030).
More residence hall/dormitory buildings in Cambridge
- 35-39 Oxford St· 74,264 sq ft · score 94 (A)
- 84-86 Brattle Street· 73,332 sq ft · score 41 (D)
- 35 Quincy St· 68,027 sq ft · score 93 (A)
- 1533-1541 Mass Avenue· 64,412 sq ft · score 94 (A)
- 9 Harvard Yard· 59,075 sq ft · score 94 (A)
- 63 Mt Auburn St· 58,818 sq ft · score 54 (D)
- Residence Hall/Dormitory buildings in Cambridge· 43 benchmarked
- All Cambridge benchmarked buildings· BEUDO
- Most efficient large buildings in Cambridge
- Least efficient large buildings in Cambridge
- Biggest emitters in Cambridge
Frequently asked questions
What is 100 Walker Street's energy grade?
100 Walker Street did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 50.0 kBtu/ft².
How much energy does 100 Walker Street use?
Its 2024 site energy-use intensity was 50.0 kBtu/ft² (73.3 kBtu/ft² source) across 172,773 sq ft, including 608,596 kWh of electricity and 58,584 therms of natural gas.
What are 100 Walker Street's carbon emissions?
100 Walker Street reported 513 tCO₂e of greenhouse-gas emissions for 2024.
Where is 100 Walker Street?
100 Walker Street is in Cambridge, Massachusetts. Its coordinates are 42.38160, -71.12480 (latitude, longitude), as published in the Building Energy Use Disclosure Ordinance (BEUDO) file.
How big is 100 Walker Street and when was it built?
100 Walker Street has 172,773 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1901 as its year built. It is classed as residence hall/dormitory.
Is 100 Walker Street covered by BEUDO?
Yes — it appears in the 2024 Building Energy Use Disclosure Ordinance (BEUDO) disclosure, which lists the buildings reporting under BEUDO.
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About this data
Source: Building Energy Use Disclosure Ordinance (BEUDO) (BEUDO), as published October 2, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “100 Walker Street, Cambridge, Massachusetts — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/cambridge/100-walker-street-07bcd452 (data as of October 2, 2026).