Mercer Apts
Multifamily Housing in Seattle, WA · 105 MERCER ST · 98109
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 51.2 kBtu/ft² |
| Source EUI | 66.5 kBtu/ft² |
| GHG emissions | 73 tCO₂e |
| GHG intensity | 2.2 kgCO₂e/ft² |
| Electricity | 70,257 kWh |
| Natural gas | 14,453 therms |
| Gross floor area | 32,908 sq ft |
| Source record | seattle:21463:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 51.2 kBtu/ft² | 73 tCO₂e | |
| 2024 | — | 55.2 kBtu/ft² | 85 tCO₂e | |
| 2023 | — | 53.3 kBtu/ft² | 82 tCO₂e | |
| 2022 | — | 57.4 kBtu/ft² | 89 tCO₂e | |
| 2021 | — | 54.5 kBtu/ft² | 83 tCO₂e | |
| 2020 | — | 53.4 kBtu/ft² | 81 tCO₂e | |
| 2019 | — | — | — | |
| 2018 | 100 | ±0 | 10.4 kBtu/ft² | 2 tCO₂e |
| 2017 | 100 | +16 | 13.5 kBtu/ft² | 2 tCO₂e |
| 2016 | 84 | +27 | 59.3 kBtu/ft² | 60 tCO₂e |
| 2015 | 57 | 79.0 kBtu/ft² | 84 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
- 105 MERCER ST
- City
- Seattle
- State
- Washington
- ZIP
- 98109
- Coordinates
- 47.62428, -122.35501
Within ~1 km
Nearby benchmarked buildings
- Climate Pledge Arenascore —
Indoor Arena · 932,000 sq ft
Mixed Use Property · 524,610 sq ft
- Third And Broad Bldgscore 94
Office · 396,626 sq ft
- Armory - Seattle Centerscore —
Other · 396,085 sq ft
Multifamily Housing · 308,940 sq ft
- Expo Apartmentsscore 97
Multifamily Housing · 301,831 sq ft
See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is Mercer Apts's energy grade?
Mercer Apts did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 51.2 kBtu/ft².
How much energy does Mercer Apts use?
Its 2025 site energy-use intensity was 51.2 kBtu/ft² (66.5 kBtu/ft² source) across 32,908 sq ft, including 70,257 kWh of electricity and 14,453 therms of natural gas.
What are Mercer Apts's carbon emissions?
Mercer Apts reported 73 tCO₂e of greenhouse-gas emissions (2.2 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:21463:2025.