Stonehedge Apartments
Multifamily Housing in Seattle, WA · 1220 N 45TH ST · 98103
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 97 (band A) |
| Site EUI | 26.8 kBtu/ft² |
| Source EUI | 64.6 kBtu/ft² |
| GHG emissions | 23 tCO₂e |
| GHG intensity | 0.4 kgCO₂e/ft² |
| Electricity | 335,914 kWh |
| Natural gas | 3,309 therms |
| Gross floor area | 158,180 sq ft |
| Source record | seattle:25335:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 97 | -1 | 26.8 kBtu/ft² | 23 tCO₂e |
| 2024 | 98 | ±0 | 25.3 kBtu/ft² | 20 tCO₂e |
| 2023 | 98 | 24.5 kBtu/ft² | 18 tCO₂e | |
| 2022 | — | — | 7 tCO₂e | |
| 2021 | 99 | +2 | 24.5 kBtu/ft² | 19 tCO₂e |
| 2020 | 97 | -1 | 25.7 kBtu/ft² | 19 tCO₂e |
| 2019 | 98 | ±0 | 25.1 kBtu/ft² | 20 tCO₂e |
| 2018 | 98 | +1 | 25.3 kBtu/ft² | 21 tCO₂e |
| 2017 | 97 | +2 | 27.3 kBtu/ft² | 23 tCO₂e |
| 2016 | 95 | +2 | 26.5 kBtu/ft² | 21 tCO₂e |
| 2015 | 93 | 30.0 kBtu/ft² | 32 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
- 1220 N 45TH ST
- City
- Seattle
- State
- Washington
- ZIP
- 98103
- Coordinates
- 47.66164, -122.34247
Within ~1 km
Nearby benchmarked buildings
- Broadstone Vinscore 83
Multifamily Housing · 824,678 sq ft
- Lincoln High (Sps-District)score 93
K-12 School · 241,066 sq ft
- University House - Wallingfordscore 54
Multifamily Housing · 217,146 sq ft
- Prescott Wallingford Apartmentsscore 100
Multifamily Housing · 198,233 sq ft
- Smith & Burnsscore —
Multifamily MR (5-9) · 175,844 sq ft
- Hamilton Middle (Sps-District)score 44
K-12 School · 127,776 sq ft
See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is Stonehedge Apartments's energy grade?
Stonehedge Apartments scores 97 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 Stonehedge Apartments use?
Its 2025 site energy-use intensity was 26.8 kBtu/ft² (64.6 kBtu/ft² source) across 158,180 sq ft, including 335,914 kWh of electricity and 3,309 therms of natural gas.
What are Stonehedge Apartments's carbon emissions?
Stonehedge Apartments reported 23 tCO₂e of greenhouse-gas emissions (0.4 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:25335:2025.