Bloodworks Nw Central Seattle
Medical Office in Seattle, WA · 921 TERRY AVE · 98104
At a glance
Bloodworks Nw Central Seattle is a 121,099-square-foot medical office at 921 TERRY AVE in Seattle, Washington, built in 1983. In its 2025 Seattle benchmarking disclosure it reported an ENERGY STAR score of 27 out of 100 (grade D), a site energy-use intensity of 141.4 kBtu/ft² and 451 tCO₂e of greenhouse-gas emissions. That score is higher than 16% of the 32 scored medical office buildings in Seattle.
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 27 (band D) |
| Site EUI | 141.4 kBtu/ft² |
| Source EUI | 314.4 kBtu/ft² |
| GHG emissions | 451 tCO₂e |
| GHG intensity | 4.7 kgCO₂e/ft² |
| Electricity | 2,564,358 kWh |
| Gross floor area | 121,099 sq ft |
| Source record | seattle:96:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 27 | +1 | 141.4 kBtu/ft² | 451 tCO₂e |
| 2024 | 26 | 140.7 kBtu/ft² | 436 tCO₂e | |
| 2023 | — | — | 53 tCO₂e | |
| 2022 | 27 | -3 | 144.2 kBtu/ft² | 487 tCO₂e |
| 2021 | 30 | -15 | 138.7 kBtu/ft² | 447 tCO₂e |
| 2020 | 45 | 142.3 kBtu/ft² | 442 tCO₂e | |
| 2019 | — | 187.8 kBtu/ft² | 455 tCO₂e | |
| 2018 | — | 189.6 kBtu/ft² | 453 tCO₂e | |
| 2017 | — | 196.2 kBtu/ft² | 478 tCO₂e | |
| 2016 | — | 204.5 kBtu/ft² | 490 tCO₂e | |
| 2015 | — | 201.5 kBtu/ft² | 451 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
- 921 TERRY AVE
- City
- Seattle
- State
- Washington
- ZIP
- 98104
- Coordinates
- 47.60845, -122.32637
Within ~1 km
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See also: most efficient in Seattle · biggest emitters
How does Bloodworks Nw Central Seattle compare with other medical office buildings in Seattle?
The latest disclosures cover 45 medical office buildings in Seattle, out of 3,871 buildings citywide. Bloodworks Nw Central Seattle's ENERGY STAR score of 27 compares with an average of 60 across the 32 that report a score; it scores higher than 16% of them and lower than 81%. Its site EUI of 141.4 kBtu/ft² is about 60% above the average of 88.3 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 4.7 kgCO₂e/ft² is about 211% above the group average of 1.5 kgCO₂e/ft².
At 121,099 sq ft, it is about 17% below the average floor area of 145,612 sq ft for those buildings. It was built in 1983, 4 years later 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 Bloodworks Nw Central Seattle's energy performance changed over time?
BuildingCensus holds 11 Seattle disclosures for Bloodworks Nw Central Seattle, covering report years 2015–2025. Its ENERGY STAR score went from 45 in 2020 to 27 in 2025 (-18 points); its best year on file was 2020, at 45. Site EUI moved from 201.5 kBtu/ft² (2015) to 141.4 kBtu/ft² (2025), a 30% decrease. Reported emissions went from 451 tCO₂e to 451 tCO₂e over the same span (up 0%).
What does an ENERGY STAR score of 27 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 27 means the building performs better than about 27% of its national peers. BuildingCensus bands the score into report-card grades; 27 falls in band D — lowest band (1–54). It sits 48 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. Bloodworks Nw Central Seattle's 141.4 kBtu/ft² across 121,099 sq ft works out to about 17.1 billion Btu (5,018 MWh-equivalent) in 2025. Its source EUI of 314.4 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 2,564,358 kWh of electricity for the year.
Which law requires Bloodworks Nw Central Seattle to report its energy use?
Bloodworks Nw Central Seattle 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:96:2025). 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 medical office buildings in Seattle
- Jefferson Tower· 108,618 sq ft · score 76 (B)
- Tallman Building· 92,477 sq ft · EUI 24.6 kBtu/ft²
- Northway Square East· 86,400 sq ft · score 68 (C)
- NORTHWEST MEDICAL CENTER-demo'd· 83,448 sq ft · score 54 (D)
- Asian Counseling And Referral Service Building· 76,598 sq ft · score 100 (A)
- Office Building, 2111 N NORTHGATE WAY· 76,105 sq ft · score 29 (D)
- 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 Bloodworks Nw Central Seattle's energy grade?
Bloodworks Nw Central Seattle scores 27 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 Bloodworks Nw Central Seattle use?
Its 2025 site energy-use intensity was 141.4 kBtu/ft² (314.4 kBtu/ft² source) across 121,099 sq ft, including 2,564,358 kWh of electricity.
What are Bloodworks Nw Central Seattle's carbon emissions?
Bloodworks Nw Central Seattle reported 451 tCO₂e of greenhouse-gas emissions (4.7 kgCO₂e/ft²) for 2025.
Where is Bloodworks Nw Central Seattle?
Bloodworks Nw Central Seattle is at 921 TERRY AVE, in Seattle, Washington 98104. Its coordinates are 47.60845, -122.32637 (latitude, longitude), as published in the Building Energy Benchmarking file.
How big is Bloodworks Nw Central Seattle and when was it built?
Bloodworks Nw Central Seattle has 121,099 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 1983 as its year built. It is classed as medical office.
Is Bloodworks Nw Central Seattle 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, “Bloodworks Nw Central Seattle, Seattle, Washington — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/seattle/bloodworks-nw-central-seattle-f84b53dd (data as of October 2, 2026).