Radius Apts
Multifamily Housing in Seattle, WA · 400 BOREN AVE N · 98109
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 99 (band A) |
| Site EUI | 30.2 kBtu/ft² |
| Source EUI | 60.7 kBtu/ft² |
| GHG emissions | 206 tCO₂e |
| GHG intensity | 0.8 kgCO₂e/ft² |
| Electricity | 1,217,936 kWh |
| Natural gas | 34,297 therms |
| Gross floor area | 253,015 sq ft |
| Source record | seattle:50034:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 99 | +2 | 30.2 kBtu/ft² | 206 tCO₂e |
| 2024 | 97 | +3 | 35.2 kBtu/ft² | 192 tCO₂e |
| 2023 | 94 | -2 | 40.0 kBtu/ft² | 200 tCO₂e |
| 2022 | 96 | -2 | 40.0 kBtu/ft² | 216 tCO₂e |
| 2021 | 98 | +9 | 31.4 kBtu/ft² | 26 tCO₂e |
| 2020 | 89 | -5 | 47.9 kBtu/ft² | 291 tCO₂e |
| 2019 | 94 | -5 | 41.8 kBtu/ft² | 234 tCO₂e |
| 2018 | 99 | +2 | 40.9 kBtu/ft² | 259 tCO₂e |
| 2017 | 97 | 42.8 kBtu/ft² | 233 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
- 400 BOREN AVE N
- City
- Seattle
- State
- Washington
- ZIP
- 98109
- Coordinates
- 47.62221, -122.33558
Within ~1 km
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See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is Radius Apts's energy grade?
Radius Apts scores 99 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 Radius Apts use?
Its 2025 site energy-use intensity was 30.2 kBtu/ft² (60.7 kBtu/ft² source) across 253,015 sq ft, including 1,217,936 kWh of electricity and 34,297 therms of natural gas.
What are Radius Apts's carbon emissions?
Radius Apts reported 206 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:50034:2025.