511 West Mercer Place
Multifamily Housing in Seattle, WA · 511 W MERCER PL · 98119
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 35.9 kBtu/ft² |
| Source EUI | 77.8 kBtu/ft² |
| GHG emissions | 19 tCO₂e |
| GHG intensity | 0.8 kgCO₂e/ft² |
| Electricity | 161,587 kWh |
| Natural gas | 3,133 therms |
| Gross floor area | 28,879 sq ft |
| Source record | seattle:22339:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 35.9 kBtu/ft² | 19 tCO₂e | |
| 2024 | — | 35.1 kBtu/ft² | 19 tCO₂e | |
| 2023 | — | 35.7 kBtu/ft² | 18 tCO₂e | |
| 2022 | — | 39.4 kBtu/ft² | 24 tCO₂e | |
| 2021 | — | 37.2 kBtu/ft² | 22 tCO₂e | |
| 2020 | — | 38.1 kBtu/ft² | 23 tCO₂e | |
| 2019 | — | 35.1 kBtu/ft² | 21 tCO₂e | |
| 2018 | — | 20.9 kBtu/ft² | 3 tCO₂e | |
| 2017 | — | 21.6 kBtu/ft² | 3 tCO₂e | |
| 2016 | — | 21.8 kBtu/ft² | 3 tCO₂e | |
| 2015 | 98 | 21.6 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.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 511 W MERCER PL
- City
- Seattle
- State
- Washington
- ZIP
- 98119
- Coordinates
- 47.62490, -122.36459
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 511 West Mercer Place's energy grade?
511 West Mercer Place did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 35.9 kBtu/ft².
How much energy does 511 West Mercer Place use?
Its 2025 site energy-use intensity was 35.9 kBtu/ft² (77.8 kBtu/ft² source) across 28,879 sq ft, including 161,587 kWh of electricity and 3,133 therms of natural gas.
What are 511 West Mercer Place's carbon emissions?
511 West Mercer Place reported 19 tCO₂e of greenhouse-gas emissions (0.8 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:22339:2025.