ST MARY GIDDENS SCHOOL
K-12 School in Seattle, WA · 604 20TH AVE S · 98144
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 23 (band D) |
| Site EUI | 63.5 kBtu/ft² |
| Source EUI | 95.0 kBtu/ft² |
| GHG emissions | 77 tCO₂e |
| GHG intensity | 3.6 kgCO₂e/ft² |
| Electricity | 140,822 kWh |
| Natural gas | 14,060 therms |
| Gross floor area | 21,592 sq ft |
| Source record | seattle:23906:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 23 | -4 | 63.5 kBtu/ft² | 77 tCO₂e |
| 2023 | 27 | +3 | 62.5 kBtu/ft² | 76 tCO₂e |
| 2022 | 24 | 68.1 kBtu/ft² | 85 tCO₂e | |
| 2021 | — | — | 1 tCO₂e | |
| 2020 | — | — | 1 tCO₂e | |
| 2019 | 14 | +5 | 75.5 kBtu/ft² | 62 tCO₂e |
| 2018 | 9 | -22 | 81.6 kBtu/ft² | 67 tCO₂e |
| 2017 | 31 | -16 | 86.7 kBtu/ft² | 72 tCO₂e |
| 2016 | 47 | +4 | 69.2 kBtu/ft² | 54 tCO₂e |
| 2015 | 43 | 74.7 kBtu/ft² | 58 tCO₂e |
Compliance context
Seattle Energy Benchmarking Ordinance (SMC 22.920)
Seattle's Building Emissions Performance Standard (2023) sets declining carbon targets for buildings over 20,000 sq ft, with penalties for non-compliance beginning in the 2030s.
Ownership
No owner listed in the disclosure.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 604 20TH AVE S
- City
- Seattle
- State
- Washington
- ZIP
- 98144
- Coordinates
- 47.59692, -122.30601
Within ~1 km
Nearby benchmarked buildings
- JACKSON APARTMENTSscore —
Multifamily MR (5-9) · 761,052 sq ft
- LEGACY AT PRATT PARKscore 91
Multifamily MR (5-9) · 371,442 sq ft
- Bell Jackson Streetscore —
Mixed Use Property · 187,832 sq ft
- Monica's Village Place 1score 21
Multifamily LR (1-4) · 157,724 sq ft
- MUIR APTSscore 99
Multifamily MR (5-9) · 139,651 sq ft
- WASHINGTON MIDDLE (SPS-DISTRICT)score 87
K-12 School · 136,188 sq ft
See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is ST MARY GIDDENS SCHOOL's energy grade?
ST MARY GIDDENS SCHOOL scores 23 out of 100 on ENERGY STAR — band D (Lowest band (1–54)) — in its 2024 Seattle disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does ST MARY GIDDENS SCHOOL use?
Its 2024 site energy-use intensity was 63.5 kBtu/ft² (95.0 kBtu/ft² source) across 21,592 sq ft, including 140,822 kWh of electricity and 14,060 therms of natural gas.
What are ST MARY GIDDENS SCHOOL's carbon emissions?
ST MARY GIDDENS SCHOOL reported 77 tCO₂e of greenhouse-gas emissions (3.6 kgCO₂e/ft²) for 2024. Seattle's Building Emissions Performance Standard (2023) sets declining carbon targets for buildings over 20,000 sq ft, with penalties for non-compliance beginning in the 2030s.
Dataset updated . Source: Building Energy Benchmarking disclosure, record seattle:23906:2024.