21 Charles St
Multifamily Housing in Cambridge, MA
BEUDO · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 74 (band B) |
| Site EUI | 57.0 kBtu/ft² |
| Source EUI | 106.8 kBtu/ft² |
| GHG emissions | 538 tCO₂e |
| GHG intensity | — |
| Electricity | 1,196,577 kWh |
| Natural gas | 45,787 therms |
| Water use | 5 kgal |
| Gross floor area | 152,000 sq ft |
| Source record | cambridge:B1832:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 74 | -26 | 57.0 kBtu/ft² | 538 tCO₂e |
| 2023 | 100 | 25.4 kBtu/ft² | 278 tCO₂e | |
| 2022 | — | — | 0 tCO₂e | |
| 2021 | — | — | 0 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
US PARCEL B, LIMITED PARTNESHIP
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Location
- Address
- 21 Charles St
- City
- Cambridge
- State
- Massachusetts
- Coordinates
- 42.36760, -71.07800
Within ~1 km
Nearby benchmarked buildings
- 100 Cambridge Side Placescore —
Enclosed Mall · 747,697 sq ft
- One Leighton Streetscore 21
Multifamily Housing · 612,952 sq ft
- 50-60 Binney STscore —
Mixed Use Property · 532,739 sq ft
- 8-12 Museum Wayscore 88
Multifamily Housing · 525,000 sq ft
- 20 Child Streetscore 100
Multifamily Housing · 485,197 sq ft
- 222 Jacobs Streetscore —
Laboratory · 466,713 sq ft
See also: most efficient in Cambridge · biggest emitters
Frequently asked questions
What is 21 Charles St's energy grade?
21 Charles St scores 74 out of 100 on ENERGY STAR — band B (Above median (70–84)) — in its 2024 Cambridge disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 21 Charles St use?
Its 2024 site energy-use intensity was 57.0 kBtu/ft² (106.8 kBtu/ft² source) across 152,000 sq ft, including 1,196,577 kWh of electricity and 45,787 therms of natural gas.
What are 21 Charles St's carbon emissions?
21 Charles St reported 538 tCO₂e of greenhouse-gas emissions for 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).
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Dataset updated . Source: Building Energy Use Disclosure Ordinance (BEUDO) disclosure, record cambridge:B1832:2024.