Hiawatha Lofts
Multifamily Housing in Seattle, WA · 843 HIAWATHA PL S · 98144
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 68 (band C) |
| Site EUI | 28.4 kBtu/ft² |
| Source EUI | 79.6 kBtu/ft² |
| GHG emissions | 11 tCO₂e |
| GHG intensity | 0.2 kgCO₂e/ft² |
| Electricity | 542,649 kWh |
| Gross floor area | 65,161 sq ft |
| Source record | seattle:26618:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 68 | ±0 | 28.4 kBtu/ft² | 11 tCO₂e |
| 2024 | 68 | +1 | 28.2 kBtu/ft² | 11 tCO₂e |
| 2023 | 67 | +9 | 29.2 kBtu/ft² | 11 tCO₂e |
| 2022 | 58 | +3 | 31.7 kBtu/ft² | 12 tCO₂e |
| 2021 | 55 | +6 | 31.6 kBtu/ft² | 12 tCO₂e |
| 2020 | 49 | -26 | 31.4 kBtu/ft² | 12 tCO₂e |
| 2019 | 75 | +3 | 28.4 kBtu/ft² | 11 tCO₂e |
| 2018 | 72 | +8 | 28.7 kBtu/ft² | 11 tCO₂e |
| 2017 | 64 | +4 | 30.7 kBtu/ft² | 12 tCO₂e |
| 2016 | 60 | +5 | 28.8 kBtu/ft² | 11 tCO₂e |
| 2015 | 55 | 29.9 kBtu/ft² | 11 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
- 843 HIAWATHA PL S
- City
- Seattle
- State
- Washington
- ZIP
- 98144
- Coordinates
- 47.59491, -122.30971
Within ~1 km
Nearby benchmarked buildings
- Legacy At Pratt Parkscore 93
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- Mason & Main Building Ascore 100
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- Pacific Towerscore 91
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- Tapestry (Primary Parcel)score 97
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- Goodwill Lane Stscore —
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- Public Storage (Store 29233)score —
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See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is Hiawatha Lofts's energy grade?
Hiawatha Lofts scores 68 out of 100 on ENERGY STAR — band C (Below median (55–69)) — in its 2025 Seattle disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Hiawatha Lofts use?
Its 2025 site energy-use intensity was 28.4 kBtu/ft² (79.6 kBtu/ft² source) across 65,161 sq ft, including 542,649 kWh of electricity.
What are Hiawatha Lofts's carbon emissions?
Hiawatha Lofts reported 11 tCO₂e of greenhouse-gas emissions (0.2 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:26618:2025.