Ellipse Apartments
Multifamily Housing in Seattle, WA · 4744 12TH AVE NE · 98105
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 94 (band A) |
| Site EUI | 26.4 kBtu/ft² |
| Source EUI | 73.9 kBtu/ft² |
| GHG emissions | 9 tCO₂e |
| GHG intensity | 0.1 kgCO₂e/ft² |
| Electricity | 467,618 kWh |
| Gross floor area | 82,254 sq ft |
| Source record | seattle:27417:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 94 | +2 | 26.4 kBtu/ft² | 9 tCO₂e |
| 2024 | 92 | +2 | 27.2 kBtu/ft² | 10 tCO₂e |
| 2023 | 90 | -2 | 28.3 kBtu/ft² | 10 tCO₂e |
| 2022 | 92 | -1 | 28.1 kBtu/ft² | 10 tCO₂e |
| 2021 | 93 | ±0 | 27.0 kBtu/ft² | 10 tCO₂e |
| 2020 | 93 | +3 | 26.5 kBtu/ft² | 9 tCO₂e |
| 2019 | 90 | -1 | 27.9 kBtu/ft² | 10 tCO₂e |
| 2018 | 91 | ±0 | 27.5 kBtu/ft² | 10 tCO₂e |
| 2017 | 91 | +2 | 27.5 kBtu/ft² | 10 tCO₂e |
| 2016 | 89 | +5 | 26.3 kBtu/ft² | 9 tCO₂e |
| 2015 | 84 | 27.9 kBtu/ft² | 10 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
- 4744 12TH AVE NE
- City
- Seattle
- State
- Washington
- ZIP
- 98105
- Coordinates
- 47.66438, -122.31499
Within ~1 km
Nearby benchmarked buildings
- The Standard At Seattlescore 100
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- Chapter Building 1score 100
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- Here Student Housing + Safewayscore 97
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- Oliv Seattlescore 98
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See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is Ellipse Apartments's energy grade?
Ellipse Apartments scores 94 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 Ellipse Apartments use?
Its 2025 site energy-use intensity was 26.4 kBtu/ft² (73.9 kBtu/ft² source) across 82,254 sq ft, including 467,618 kWh of electricity.
What are Ellipse Apartments's carbon emissions?
Ellipse Apartments reported 9 tCO₂e of greenhouse-gas emissions (0.1 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:27417:2025.