First Hill Apts
Multifamily Housing in Seattle, WA · 400 10TH AVE · 98122
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 88 (band A) |
| Site EUI | 26.5 kBtu/ft² |
| Source EUI | 56.6 kBtu/ft² |
| GHG emissions | 23 tCO₂e |
| GHG intensity | 0.6 kgCO₂e/ft² |
| Electricity | 180,297 kWh |
| Natural gas | 3,791 therms |
| Gross floor area | 37,485 sq ft |
| Source record | seattle:21667:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 88 | +1 | 26.5 kBtu/ft² | 23 tCO₂e |
| 2024 | 87 | 26.3 kBtu/ft² | 22 tCO₂e | |
| 2023 | — | — | — | |
| 2022 | — | — | — | |
| 2021 | — | — | — | |
| 2020 | 98 | +3 | 25.2 kBtu/ft² | 21 tCO₂e |
| 2019 | 95 | +16 | 27.7 kBtu/ft² | 22 tCO₂e |
| 2018 | 79 | -5 | 33.7 kBtu/ft² | 25 tCO₂e |
| 2017 | 84 | +11 | 32.7 kBtu/ft² | 23 tCO₂e |
| 2016 | 73 | +9 | 33.5 kBtu/ft² | 24 tCO₂e |
| 2015 | 64 | 36.2 kBtu/ft² | 27 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
- 400 10TH AVE
- City
- Seattle
- State
- Washington
- ZIP
- 98122
- Coordinates
- 47.60551, -122.31905
Within ~1 km
Nearby benchmarked buildings
College/University · 2,099,379 sq ft
Parking · 2,080,885 sq ft
Hospital (General Medical & Surgical) · 1,926,841 sq ft
Medical Office · 726,103 sq ft
- 1101 Madison Towerscore 70
Medical Office · 690,158 sq ft
- Skyline At First Hillscore 65
Multifamily Housing · 629,615 sq ft
See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is First Hill Apts's energy grade?
First Hill Apts scores 88 out of 100 on ENERGY STAR — band A (High performer (85–100)) — in its 2025 Seattle disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does First Hill Apts use?
Its 2025 site energy-use intensity was 26.5 kBtu/ft² (56.6 kBtu/ft² source) across 37,485 sq ft, including 180,297 kWh of electricity and 3,791 therms of natural gas.
What are First Hill Apts's carbon emissions?
First Hill Apts reported 23 tCO₂e of greenhouse-gas emissions (0.6 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:21667:2025.