Rollin Street Flats
Multifamily Housing in Seattle, WA · 120 WESTLAKE AVE N · 98109
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 74 (band B) |
| Site EUI | 42.1 kBtu/ft² |
| Source EUI | 77.5 kBtu/ft² |
| GHG emissions | 409 tCO₂e |
| GHG intensity | 1.3 kgCO₂e/ft² |
| Electricity | 1,711,818 kWh |
| Natural gas | 70,740 therms |
| Gross floor area | 399,935 sq ft |
| Source record | seattle:28068:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 74 | +5 | 42.1 kBtu/ft² | 409 tCO₂e |
| 2024 | 69 | +7 | 46.1 kBtu/ft² | 486 tCO₂e |
| 2023 | 62 | -11 | 51.8 kBtu/ft² | 585 tCO₂e |
| 2022 | 73 | +6 | 45.8 kBtu/ft² | 472 tCO₂e |
| 2021 | 67 | +37 | 46.6 kBtu/ft² | 469 tCO₂e |
| 2020 | 30 | +9 | 64.9 kBtu/ft² | 468 tCO₂e |
| 2019 | 21 | -3 | 74.7 kBtu/ft² | 587 tCO₂e |
| 2018 | 24 | -6 | 71.1 kBtu/ft² | 544 tCO₂e |
| 2017 | 30 | +7 | 68.6 kBtu/ft² | 514 tCO₂e |
| 2016 | 23 | -34 | 63.8 kBtu/ft² | 449 tCO₂e |
| 2015 | 57 | 48.0 kBtu/ft² | 417 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
- 120 WESTLAKE AVE N
- City
- Seattle
- State
- Washington
- ZIP
- 98109
- Coordinates
- 47.61921, -122.33807
Within ~1 km
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- Amazon Doppler Buildingscore 90
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See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is Rollin Street Flats's energy grade?
Rollin Street Flats scores 74 out of 100 on ENERGY STAR — band B (Above median (70–84)) — in its 2025 Seattle disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Rollin Street Flats use?
Its 2025 site energy-use intensity was 42.1 kBtu/ft² (77.5 kBtu/ft² source) across 399,935 sq ft, including 1,711,818 kWh of electricity and 70,740 therms of natural gas.
What are Rollin Street Flats's carbon emissions?
Rollin Street Flats reported 409 tCO₂e of greenhouse-gas emissions (1.3 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:28068:2025.