Sitka Apartments
Multifamily Housing in Seattle, WA · 1255 HARRISON ST · 98109
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 100 (band A) |
| Site EUI | 23.9 kBtu/ft² |
| Source EUI | 57.1 kBtu/ft² |
| GHG emissions | 152 tCO₂e |
| GHG intensity | 0.4 kgCO₂e/ft² |
| Electricity | 2,008,996 kWh |
| Natural gas | 21,191 therms |
| Gross floor area | 518,888 sq ft |
| Source record | seattle:50455:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 100 | ±0 | 23.9 kBtu/ft² | 152 tCO₂e |
| 2024 | 100 | ±0 | 23.9 kBtu/ft² | 177 tCO₂e |
| 2023 | 100 | ±0 | 25.2 kBtu/ft² | 178 tCO₂e |
| 2022 | 100 | ±0 | 24.6 kBtu/ft² | 162 tCO₂e |
| 2021 | 100 | ±0 | 23.4 kBtu/ft² | 129 tCO₂e |
| 2020 | 100 | ±0 | 22.8 kBtu/ft² | 135 tCO₂e |
| 2019 | 100 | 19.9 kBtu/ft² | 124 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
- 1255 HARRISON ST
- City
- Seattle
- State
- Washington
- ZIP
- 98109
- Coordinates
- 47.62149, -122.33119
Within ~1 km
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See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is Sitka Apartments's energy grade?
Sitka Apartments scores 100 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 Sitka Apartments use?
Its 2025 site energy-use intensity was 23.9 kBtu/ft² (57.1 kBtu/ft² source) across 518,888 sq ft, including 2,008,996 kWh of electricity and 21,191 therms of natural gas.
What are Sitka Apartments's carbon emissions?
Sitka Apartments reported 152 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:50455:2025.