50 Church Street
Mixed Use Property in Cambridge, MA
At a glance
50 Church Street is a 96,605-square-foot mixed use property building in Cambridge, Massachusetts, built in 1979. In its 2024 Cambridge benchmarking disclosure it reported a site energy-use intensity of 26.3 kBtu/ft² and 183 tCO₂e of greenhouse-gas emissions.
BEUDO · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 26.3 kBtu/ft² |
| Source EUI | 73.6 kBtu/ft² |
| GHG emissions | 183 tCO₂e |
| GHG intensity | — |
| Electricity | 743,807 kWh |
| Water use | 1,101 kgal |
| Gross floor area | 96,605 sq ft |
| Source record | cambridge:B1612:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 26.3 kBtu/ft² | 183 tCO₂e | |
| 2023 | — | 23.2 kBtu/ft² | 162 tCO₂e | |
| 2022 | — | 22.7 kBtu/ft² | 158 tCO₂e | |
| 2021 | — | 25.6 kBtu/ft² | 179 tCO₂e | |
| 2020 | — | 28.0 kBtu/ft² | 192 tCO₂e | |
| 2019 | — | 32.8 kBtu/ft² | 208 tCO₂e | |
| 2018 | — | 44.1 kBtu/ft² | 298 tCO₂e | |
| 2017 | — | 36.5 kBtu/ft² | 264 tCO₂e | |
| 2016 | — | 33.1 kBtu/ft² | 240 tCO₂e | |
| 2015 | — | 36.0 kBtu/ft² | 266 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
GAZIT HORIZONS (9 BRATTLE) LLC,
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 50 Church Street
- City
- Cambridge
- State
- Massachusetts
- Coordinates
- 42.37380, -71.12040
Within ~1 km
Nearby benchmarked buildings
- 52 Oxford Stscore —
College/University · 551,387 sq ft
- 1 Bennet Streetscore 67
Hotel · 498,000 sq ft
- 900 Memorial Drivescore 47
Multifamily Housing · 450,849 sq ft
- 1 Oxford Stscore —
College/University · 355,836 sq ft
- 75 Mount Auburn Streetscore 79
Office · 345,571 sq ft
- 1545 Massachusetts Avenuescore —
College/University · 281,097 sq ft
See also: most efficient in Cambridge · biggest emitters
How does 50 Church Street compare with other mixed use property buildings in Cambridge?
The latest disclosures cover 22 mixed use property buildings in Cambridge, out of 902 buildings citywide. Its site EUI of 26.3 kBtu/ft² is about 84% below the average of 160.5 kBtu/ft² — it uses less energy per square foot than the typical building in that group.
At 96,605 sq ft, it is about 21% below the average floor area of 121,587 sq ft for those buildings. It was built in 1979, 9 years later than the group's average year built (1970). Across all 24 jurisdictions BuildingCensus covers, the 1,212 mixed use property buildings average an ENERGY STAR score of 69 and a site EUI of 79.8 kBtu/ft².
How has 50 Church Street's energy performance changed over time?
BuildingCensus holds 10 Cambridge disclosures for 50 Church Street, covering report years 2015–2024. Site EUI moved from 36.0 kBtu/ft² (2015) to 26.3 kBtu/ft² (2024), a 27% decrease. Reported emissions went from 266 tCO₂e to 183 tCO₂e over the same span (down 31%).
What does a site EUI of 26.3 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. 50 Church Street's 26.3 kBtu/ft² across 96,605 sq ft works out to about 2.5 billion Btu (745 MWh-equivalent) in 2024. Its source EUI of 73.6 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 743,807 kWh of electricity and 1,101 thousand gallons of water for the year.
Which law requires 50 Church Street to report its energy use?
50 Church 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:B1612:2024). 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 mixed use property buildings in Cambridge
- One Kendall Square· 71,730 sq ft · EUI 171.1 kBtu/ft²
- 81 Mt Auburn Street· 62,592 sq ft · EUI 47.1 kBtu/ft²
- 127 Smith Place· 57,521 sq ft · EUI 12.4 kBtu/ft²
- 29 - 31 Smith Place· 53,926 sq ft · EUI 70.4 kBtu/ft²
- 67 Smith Place· 53,000 sq ft · EUI 12.0 kBtu/ft²
- 85 Bolton Street· 47,000 sq ft
- 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 50 Church Street's energy grade?
50 Church Street did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 26.3 kBtu/ft².
How much energy does 50 Church Street use?
Its 2024 site energy-use intensity was 26.3 kBtu/ft² (73.6 kBtu/ft² source) across 96,605 sq ft, including 743,807 kWh of electricity.
What are 50 Church Street's carbon emissions?
50 Church Street reported 183 tCO₂e of greenhouse-gas emissions for 2024.
Where is 50 Church Street?
50 Church Street is in Cambridge, Massachusetts. Its coordinates are 42.37380, -71.12040 (latitude, longitude), as published in the Building Energy Use Disclosure Ordinance (BEUDO) file.
How big is 50 Church Street and when was it built?
50 Church Street has 96,605 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1979 as its year built. It is classed as mixed use property.
Is 50 Church Street covered by BEUDO?
Yes — it appears in the 2024 Building Energy Use Disclosure Ordinance (BEUDO) disclosure, which lists the buildings reporting under BEUDO.
Working with Cambridge 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 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, “50 Church Street, Cambridge, Massachusetts — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/cambridge/50-church-street-50d54937 (data as of October 2, 2026).