St Joseph K-8 School
K-12 School in Seattle, WA · 700 18TH AVE E · 98112
At a glance
St Joseph K-8 School is a 67,743-square-foot K-12 school at 700 18TH AVE E in Seattle, Washington, built in 1923. In its 2025 Seattle benchmarking disclosure it reported an ENERGY STAR score of 36 out of 100 (grade D), a site energy-use intensity of 39.9 kBtu/ft² and 70 tCO₂e of greenhouse-gas emissions. That score is higher than 9% of the 152 scored K-12 school buildings in Seattle.
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 36 (band D) |
| Site EUI | 39.9 kBtu/ft² |
| Source EUI | 80.8 kBtu/ft² |
| GHG emissions | 70 tCO₂e |
| GHG intensity | 1.0 kgCO₂e/ft² |
| Electricity | 441,477 kWh |
| Natural gas | 11,982 therms |
| Gross floor area | 67,743 sq ft |
| Source record | seattle:119:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 36 | +8 | 39.9 kBtu/ft² | 70 tCO₂e |
| 2024 | 28 | -5 | 43.9 kBtu/ft² | 84 tCO₂e |
| 2023 | 33 | +4 | 43.6 kBtu/ft² | 85 tCO₂e |
| 2022 | 29 | -14 | 52.2 kBtu/ft² | 122 tCO₂e |
| 2021 | 43 | -36 | 45.7 kBtu/ft² | 111 tCO₂e |
| 2020 | 79 | +53 | 25.4 kBtu/ft² | 49 tCO₂e |
| 2019 | 26 | +7 | 49.6 kBtu/ft² | 109 tCO₂e |
| 2018 | 19 | -4 | 50.7 kBtu/ft² | 104 tCO₂e |
| 2017 | 23 | -11 | 51.7 kBtu/ft² | 111 tCO₂e |
| 2016 | 34 | -9 | 39.1 kBtu/ft² | 77 tCO₂e |
| 2015 | 43 | 34.0 kBtu/ft² | 62 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
- 700 18TH AVE E
- City
- Seattle
- State
- Washington
- ZIP
- 98112
- Coordinates
- 47.62548, -122.30828
Within ~1 km
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See also: most efficient in Seattle · biggest emitters
How does St Joseph K-8 School compare with other K-12 school buildings in Seattle?
The latest disclosures cover 153 K-12 school buildings in Seattle, out of 3,871 buildings citywide. St Joseph K-8 School's ENERGY STAR score of 36 compares with an average of 71 across the 152 that report a score; it scores higher than 9% of them and lower than 90%. Its site EUI of 39.9 kBtu/ft² is roughly in line with the average of 38.3 kBtu/ft². Its emissions intensity of 1.0 kgCO₂e/ft² is roughly in line with the group average of 1.1 kgCO₂e/ft².
At 67,743 sq ft, it is about 15% below the average floor area of 79,329 sq ft for those buildings. It was built in 1923, 47 years earlier than the group's average year built (1970). Across all 24 jurisdictions BuildingCensus covers, the 6,548 K-12 school buildings average an ENERGY STAR score of 64 and a site EUI of 52.7 kBtu/ft².
How has St Joseph K-8 School's energy performance changed over time?
BuildingCensus holds 11 Seattle disclosures for St Joseph K-8 School, covering report years 2015–2025. Its ENERGY STAR score went from 43 in 2015 to 36 in 2025 (-7 points); its best year on file was 2020, at 79. Site EUI moved from 34.0 kBtu/ft² (2015) to 39.9 kBtu/ft² (2025), an 17% increase. Reported emissions went from 62 tCO₂e to 70 tCO₂e over the same span (up 13%).
What does an ENERGY STAR score of 36 mean?
ENERGY STAR scores run from 1 to 100 and are computed by the EPA's Portfolio Manager as a percentile against similar buildings nationwide, adjusted for climate, size and use: a score of 36 means the building performs better than about 36% of its national peers. BuildingCensus bands the score into report-card grades; 36 falls in band D — lowest band (1–54). It sits 39 points below 75, the threshold for ENERGY STAR certification. In Seattle, 69% of scored buildings are at 75 or above.
Site energy-use intensity (EUI) is the energy a building uses on site in a year divided by its floor area, in thousand Btu per square foot — lower is more efficient. St Joseph K-8 School's 39.9 kBtu/ft² across 67,743 sq ft works out to about 2.7 billion Btu (792 MWh-equivalent) in 2025. Its source EUI of 80.8 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 441,477 kWh of electricity and 11,982 therms of natural gas for the year.
Which law requires St Joseph K-8 School to report its energy use?
St Joseph K-8 School reports under the Seattle Energy Benchmarking Ordinance (SMC 22.920), the legal basis of Seattle's Building Energy Benchmarking program, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2025 disclosure (source record seattle:119:2025). 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.
More K-12 school buildings in Seattle
- Martin Luther King Jr (Brighton) Elementary School (Sps-District)· 67,371 sq ft · score 74 (B)
- Whittier Elementary (Sps-District)· 67,235 sq ft · score 71 (B)
- Madrona School (Sps-District)· 66,994 sq ft · score 70 (B)
- B F Day Elementary (Sps-District)· 66,588 sq ft · score 63 (C)
- Adams Elementary (Sps-District)· 66,200 sq ft · score 94 (A)
- Concord Elementary School (Sps-District)· 64,493 sq ft · score 63 (C)
- K-12 School buildings in Seattle· 153 benchmarked
- All Seattle benchmarked buildings· Seattle Energy Benchmarking Ordinance (SMC 22.920)
- Most efficient large buildings in Seattle
- Least efficient large buildings in Seattle
- Biggest emitters in Seattle
Frequently asked questions
What is St Joseph K-8 School's energy grade?
St Joseph K-8 School scores 36 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2025 Seattle disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does St Joseph K-8 School use?
Its 2025 site energy-use intensity was 39.9 kBtu/ft² (80.8 kBtu/ft² source) across 67,743 sq ft, including 441,477 kWh of electricity and 11,982 therms of natural gas.
What are St Joseph K-8 School's carbon emissions?
St Joseph K-8 School reported 70 tCO₂e of greenhouse-gas emissions (1.0 kgCO₂e/ft²) for 2025.
Where is St Joseph K-8 School?
St Joseph K-8 School is at 700 18TH AVE E, in Seattle, Washington 98112. Its coordinates are 47.62548, -122.30828 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is St Joseph K-8 School and when was it built?
St Joseph K-8 School has 67,743 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 1923 as its year built. It is classed as K-12 school.
Is St Joseph K-8 School covered by the Seattle Energy Benchmarking Ordinance (SMC 22.920)?
Yes — it appears in the 2025 Building Energy Benchmarking disclosure, which lists the buildings reporting under the Seattle Energy Benchmarking Ordinance (SMC 22.920).
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About this data
Source: Building Energy Benchmarking (Seattle Energy Benchmarking Ordinance (SMC 22.920)), as published October 2, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “St Joseph K-8 School, Seattle, Washington — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/seattle/st-joseph-k-8-school-5fa93cd5 (data as of October 2, 2026).