St. Alphonsus School
K-12 School in Seattle, WA · 5800 15TH AVE NW · 98107
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 71 (band B) |
| Site EUI | 51.7 kBtu/ft² |
| Source EUI | 69.6 kBtu/ft² |
| GHG emissions | 77 tCO₂e |
| GHG intensity | 2.2 kgCO₂e/ft² |
| Electricity | 91,244 kWh |
| Natural gas | 15,211 therms |
| Gross floor area | 35,448 sq ft |
| Source record | seattle:22223:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 71 | -3 | 51.7 kBtu/ft² | 77 tCO₂e |
| 2024 | 74 | -3 | 47.6 kBtu/ft² | 75 tCO₂e |
| 2023 | 77 | +10 | 47.2 kBtu/ft² | 76 tCO₂e |
| 2022 | 67 | -10 | 54.0 kBtu/ft² | 88 tCO₂e |
| 2021 | 77 | -6 | 46.0 kBtu/ft² | 75 tCO₂e |
| 2020 | 83 | +11 | 41.3 kBtu/ft² | 68 tCO₂e |
| 2019 | 72 | +2 | 46.9 kBtu/ft² | 74 tCO₂e |
| 2018 | 70 | -2 | 47.9 kBtu/ft² | 76 tCO₂e |
| 2017 | 72 | -25 | 49.1 kBtu/ft² | 78 tCO₂e |
| 2016 | 97 | +4 | 38.9 kBtu/ft² | 60 tCO₂e |
| 2015 | 93 | 46.8 kBtu/ft² | 75 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.
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Location
- Address
- 5800 15TH AVE NW
- City
- Seattle
- State
- Washington
- ZIP
- 98107
- Coordinates
- 47.67120, -122.37568
Within ~1 km
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See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is St. Alphonsus School's energy grade?
St. Alphonsus School scores 71 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 St. Alphonsus School use?
Its 2025 site energy-use intensity was 51.7 kBtu/ft² (69.6 kBtu/ft² source) across 35,448 sq ft, including 91,244 kWh of electricity and 15,211 therms of natural gas.
What are St. Alphonsus School's carbon emissions?
St. Alphonsus School reported 77 tCO₂e of greenhouse-gas emissions (2.2 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:22223:2025.