Cielo Apts
Multifamily Housing in Seattle, WA · 800 SENECA ST · 98101
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 65 (band C) |
| Site EUI | 46.3 kBtu/ft² |
| Source EUI | 106.7 kBtu/ft² |
| GHG emissions | 225 tCO₂e |
| GHG intensity | 0.9 kgCO₂e/ft² |
| Electricity | 2,470,984 kWh |
| Natural gas | 33,446 therms |
| Gross floor area | 434,839 sq ft |
| Source record | seattle:49920:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 65 | -29 | 46.3 kBtu/ft² | 225 tCO₂e |
| 2024 | 94 | +4 | 34.8 kBtu/ft² | 189 tCO₂e |
| 2023 | 90 | +2 | 37.9 kBtu/ft² | 205 tCO₂e |
| 2022 | 88 | +1 | 40.9 kBtu/ft² | 236 tCO₂e |
| 2021 | 87 | -12 | 40.6 kBtu/ft² | 234 tCO₂e |
| 2020 | 99 | +36 | 30.6 kBtu/ft² | 199 tCO₂e |
| 2019 | 63 | -16 | 49.5 kBtu/ft² | 266 tCO₂e |
| 2018 | 79 | +27 | 43.9 kBtu/ft² | 239 tCO₂e |
| 2017 | 52 | +5 | 49.0 kBtu/ft² | 230 tCO₂e |
| 2016 | 47 | -37 | 46.5 kBtu/ft² | 211 tCO₂e |
| 2015 | 84 | 35.8 kBtu/ft² | 169 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
- 800 SENECA ST
- City
- Seattle
- State
- Washington
- ZIP
- 98101
- Coordinates
- 47.60967, -122.32977
Within ~1 km
Nearby benchmarked buildings
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See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is Cielo Apts's energy grade?
Cielo Apts scores 65 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 Cielo Apts use?
Its 2025 site energy-use intensity was 46.3 kBtu/ft² (106.7 kBtu/ft² source) across 434,839 sq ft, including 2,470,984 kWh of electricity and 33,446 therms of natural gas.
What are Cielo Apts's carbon emissions?
Cielo Apts reported 225 tCO₂e of greenhouse-gas emissions (0.9 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:49920:2025.