BASTYR UNIVERSITY MEDICAL OFFICE BUILDING
Medical Office in Seattle, WA · 3670 STONE WAY N · 98103
At a glance
BASTYR UNIVERSITY MEDICAL OFFICE BUILDING is a 41,293-square-foot medical office at 3670 STONE WAY N in Seattle, Washington, built in 1940. In its 2024 Seattle benchmarking disclosure it reported an ENERGY STAR score of 42 out of 100 (grade D), a site energy-use intensity of 92.3 kBtu/ft² and 97 tCO₂e of greenhouse-gas emissions. That score is higher than 28% of the 32 scored medical office buildings in Seattle.
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 42 (band D) |
| Site EUI | 92.3 kBtu/ft² |
| Source EUI | 180.7 kBtu/ft² |
| GHG emissions | 97 tCO₂e |
| GHG intensity | 2.6 kgCO₂e/ft² |
| Electricity | 514,787 kWh |
| Natural gas | 16,304 therms |
| Gross floor area | 41,293 sq ft |
| Source record | seattle:24624:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 42 | -20 | 92.3 kBtu/ft² | 97 tCO₂e |
| 2023 | 62 | -3 | 78.0 kBtu/ft² | 80 tCO₂e |
| 2022 | 65 | 79.6 kBtu/ft² | 87 tCO₂e | |
| 2021 | — | — | — | |
| 2020 | — | 67.5 kBtu/ft² | 80 tCO₂e | |
| 2019 | — | 72.5 kBtu/ft² | 83 tCO₂e | |
| 2018 | — | 71.8 kBtu/ft² | 77 tCO₂e | |
| 2017 | — | 74.0 kBtu/ft² | 80 tCO₂e | |
| 2016 | — | 68.6 kBtu/ft² | 59 tCO₂e | |
| 2015 | — | 68.1 kBtu/ft² | 56 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
- 3670 STONE WAY N
- City
- Seattle
- State
- Washington
- ZIP
- 98103
- Coordinates
- 47.65231, -122.34217
Within ~1 km
Nearby benchmarked buildings
- Broadstone Vinscore 83
Multifamily Housing · 824,678 sq ft
- Bowman Stonewayscore 99
Multifamily Housing · 426,320 sq ft
- Tableau (North Edge)score 88
Office · 338,989 sq ft
- Adobe Building-801-N 34 St.score 74
Office · 280,957 sq ft
Office · 243,334 sq ft
- Lincoln High (Sps-District)score 93
K-12 School · 241,066 sq ft
See also: most efficient in Seattle · biggest emitters
How does BASTYR UNIVERSITY MEDICAL OFFICE BUILDING compare with other medical office buildings in Seattle?
The latest disclosures cover 45 medical office buildings in Seattle, out of 3,871 buildings citywide. BASTYR UNIVERSITY MEDICAL OFFICE BUILDING's ENERGY STAR score of 42 compares with an average of 60 across the 32 that report a score; it scores higher than 28% of them and lower than 69%. Its site EUI of 92.3 kBtu/ft² is roughly in line with the average of 88.3 kBtu/ft². Its emissions intensity of 2.6 kgCO₂e/ft² is about 76% above the group average of 1.5 kgCO₂e/ft².
At 41,293 sq ft, it is about 72% below the average floor area of 145,612 sq ft for those buildings. It was built in 1940, 39 years earlier than the group's average year built (1979). Across all 24 jurisdictions BuildingCensus covers, the 1,266 medical office buildings average an ENERGY STAR score of 64 and a site EUI of 92.2 kBtu/ft².
How has BASTYR UNIVERSITY MEDICAL OFFICE BUILDING's energy performance changed over time?
BuildingCensus holds 10 Seattle disclosures for BASTYR UNIVERSITY MEDICAL OFFICE BUILDING, covering report years 2015–2024. Its ENERGY STAR score went from 65 in 2022 to 42 in 2024 (-23 points); its best year on file was 2022, at 65. Site EUI moved from 68.1 kBtu/ft² (2015) to 92.3 kBtu/ft² (2024), an 36% increase. Reported emissions went from 56 tCO₂e to 97 tCO₂e over the same span (up 73%).
What does an ENERGY STAR score of 42 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 42 means the building performs better than about 42% of its national peers. BuildingCensus bands the score into report-card grades; 42 falls in band D — lowest band (1–54). It sits 33 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. BASTYR UNIVERSITY MEDICAL OFFICE BUILDING's 92.3 kBtu/ft² across 41,293 sq ft works out to about 3.8 billion Btu (1,117 MWh-equivalent) in 2024. Its source EUI of 180.7 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 514,787 kWh of electricity and 16,304 therms of natural gas for the year.
Which law requires BASTYR UNIVERSITY MEDICAL OFFICE BUILDING to report its energy use?
BASTYR UNIVERSITY MEDICAL OFFICE BUILDING 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 2024 disclosure (source record seattle:24624:2024). 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 medical office buildings in Seattle
- VIRGINIA MASON MEDICAL CENTER· 40,304 sq ft
- Fhcrc- 1213 Valley· 40,204 sq ft · score 66 (C)
- NORTHWEST KIDNEY CENTER· 39,115 sq ft · score 79 (B)
- SEATTLE CHILDREN'S HOSPITAL (ODESSA BROWN CHILDREN'S CLINIC)· 39,000 sq ft
- Sound Mental Health· 38,879 sq ft · EUI 56.6 kBtu/ft²
- Group Health Northgate· 38,745 sq ft · score 94 (A)
- Medical Office buildings in Seattle· 45 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 BASTYR UNIVERSITY MEDICAL OFFICE BUILDING's energy grade?
BASTYR UNIVERSITY MEDICAL OFFICE BUILDING scores 42 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 BASTYR UNIVERSITY MEDICAL OFFICE BUILDING use?
Its 2024 site energy-use intensity was 92.3 kBtu/ft² (180.7 kBtu/ft² source) across 41,293 sq ft, including 514,787 kWh of electricity and 16,304 therms of natural gas.
What are BASTYR UNIVERSITY MEDICAL OFFICE BUILDING's carbon emissions?
BASTYR UNIVERSITY MEDICAL OFFICE BUILDING reported 97 tCO₂e of greenhouse-gas emissions (2.6 kgCO₂e/ft²) for 2024.
Where is BASTYR UNIVERSITY MEDICAL OFFICE BUILDING?
BASTYR UNIVERSITY MEDICAL OFFICE BUILDING is at 3670 STONE WAY N, in Seattle, Washington 98103. Its coordinates are 47.65231, -122.34217 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is BASTYR UNIVERSITY MEDICAL OFFICE BUILDING and when was it built?
BASTYR UNIVERSITY MEDICAL OFFICE BUILDING has 41,293 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1940 as its year built. It is classed as medical office.
Is BASTYR UNIVERSITY MEDICAL OFFICE BUILDING covered by the Seattle Energy Benchmarking Ordinance (SMC 22.920)?
Yes — it appears in the 2024 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, “BASTYR UNIVERSITY MEDICAL OFFICE BUILDING, Seattle, Washington — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/seattle/bastyr-university-medical-office-building-56838a00 (data as of October 2, 2026).