Chatillon
Multifamily Housing in Seattle, WA · 505 W MERCER PL · 98119
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 38.5 kBtu/ft² |
| Source EUI | 73.2 kBtu/ft² |
| GHG emissions | 23 tCO₂e |
| GHG intensity | 1.1 kgCO₂e/ft² |
| Electricity | 118,335 kWh |
| Natural gas | 4,250 therms |
| Gross floor area | 21,536 sq ft |
| Source record | seattle:20343:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 38.5 kBtu/ft² | 23 tCO₂e | |
| 2024 | — | 39.2 kBtu/ft² | 25 tCO₂e | |
| 2023 | — | 41.3 kBtu/ft² | 28 tCO₂e | |
| 2022 | — | 45.4 kBtu/ft² | 33 tCO₂e | |
| 2021 | — | 39.1 kBtu/ft² | 24 tCO₂e | |
| 2020 | — | 34.6 kBtu/ft² | 22 tCO₂e | |
| 2019 | — | 36.7 kBtu/ft² | 22 tCO₂e | |
| 2018 | — | 31.8 kBtu/ft² | 2 tCO₂e | |
| 2017 | — | 20.6 kBtu/ft² | 3 tCO₂e | |
| 2016 | — | 21.6 kBtu/ft² | 3 tCO₂e | |
| 2015 | — | 23.7 kBtu/ft² | 3 tCO₂e |
Compliance context
Seattle Energy Benchmarking Ordinance (SMC 22.920)
Seattle's Building Emissions Performance Standard (adopted 2023) applies to buildings over 20,000 sq ft: benchmarking verification is due 2027–2030 and initial emissions targets 2031–2035, reaching net zero by 2041–2050, with fines for non-compliance.
Ownership
No owning organisation shown. Names of private individuals in the disclosure are not published here.
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Location
- Address
- 505 W MERCER PL
- City
- Seattle
- State
- Washington
- ZIP
- 98119
- Coordinates
- 47.62479, -122.36444
Within ~1 km
Nearby benchmarked buildings
- 635 ELLIOTT - SOUTH BUILDINGscore 65
Office · 291,176 sq ft
- Avalon Queen Annescore 98
Multifamily Housing · 290,520 sq ft
- 3131 Elliott Bldgscore 77
Office · 277,486 sq ft
- Elliott Bay Office Parkscore 97
Office · 275,734 sq ft
Office · 253,103 sq ft
- 645 Elliott - North Buildingscore —
Mixed Use Property · 242,686 sq ft
See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is Chatillon's energy grade?
Chatillon did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 38.5 kBtu/ft².
How much energy does Chatillon use?
Its 2025 site energy-use intensity was 38.5 kBtu/ft² (73.2 kBtu/ft² source) across 21,536 sq ft, including 118,335 kWh of electricity and 4,250 therms of natural gas.
What are Chatillon's carbon emissions?
Chatillon reported 23 tCO₂e of greenhouse-gas emissions (1.1 kgCO₂e/ft²) for 2025. Seattle's Building Emissions Performance Standard (adopted 2023) applies to buildings over 20,000 sq ft: benchmarking verification is due 2027–2030 and initial emissions targets 2031–2035, reaching net zero by 2041–2050, with fines for non-compliance.
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Dataset updated . Source: Building Energy Benchmarking disclosure, record seattle:20343:2025.