At a glance
ICICLE COURT OFFICE BLDG is a 41,707-square-foot office building at 4019 21ST AVE W in Seattle, Washington, built in 1983. It is listed in the 2024 Building Energy Benchmarking disclosure without energy figures: no ENERGY STAR score, energy use or emissions were published for it that year. Its most recent reported figures are from 2023, when it scored 85 out of 100 on ENERGY STAR with a site EUI of 28.9 kBtu/ft².
No energy data reported for 2024
ICICLE COURT OFFICE BLDG appears in the 2024 Building Energy Benchmarking disclosure, but no ENERGY STAR score, energy use or emissions were published for it — the building did not report benchmarking data for that year. Earlier reported years are in the table below.
Floor area on file: 41,707 sq ft · Built 1983
Source record seattle:22867:2024
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | — | — | |
| 2023 | 85 | +5 | 28.9 kBtu/ft² | 8 tCO₂e |
| 2022 | 80 | +1 | 33.0 kBtu/ft² | 9 tCO₂e |
| 2021 | 79 | -1 | 34.0 kBtu/ft² | 9 tCO₂e |
| 2020 | 80 | +5 | 34.1 kBtu/ft² | 9 tCO₂e |
| 2019 | 75 | -1 | 37.8 kBtu/ft² | 10 tCO₂e |
| 2018 | 76 | -7 | 37.0 kBtu/ft² | 10 tCO₂e |
| 2017 | 83 | +5 | 40.6 kBtu/ft² | 11 tCO₂e |
| 2016 | 78 | +60 | 42.1 kBtu/ft² | 10 tCO₂e |
| 2015 | 18 | 68.7 kBtu/ft² | 10 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
- 4019 21ST AVE W
- City
- Seattle
- State
- Washington
- ZIP
- 98199
- Coordinates
- 47.65649, -122.38383
Within ~1 km
Nearby benchmarked buildings
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- Quarterdeck Condominiumscore 58
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- Windy Hills Condominiumscore 99
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- Eldorado The Condominiumscore 100
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See also: most efficient in Seattle · biggest emitters
How has ICICLE COURT OFFICE BLDG's energy performance changed over time?
BuildingCensus holds 10 Seattle disclosures for ICICLE COURT OFFICE BLDG, covering report years 2015–2024. Its ENERGY STAR score went from 18 in 2015 to 85 in 2023 (+67 points). Site EUI moved from 68.7 kBtu/ft² (2015) to 28.9 kBtu/ft² (2023), a 58% decrease. Reported emissions went from 10 tCO₂e to 8 tCO₂e over the same span (down 27%).
Which law requires ICICLE COURT OFFICE BLDG to report its energy use?
ICICLE COURT OFFICE BLDG 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:22867:2024). 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 office buildings in Seattle
- DEPT SOCIAL & HEALTH SERVICES· 41,262 sq ft · score 100 (A)
- Madore Building· 40,715 sq ft
- Fisherman's Commerce Bldg· 40,571 sq ft · score 84 (B)
- Seattle Labor Temple (North & South Bldg)· 40,320 sq ft · score 81 (B)
- 1518 5th Ave Office· 40,260 sq ft · EUI 0.1 kBtu/ft²
- PEARL WARREN BUILDING- DEMOLISHED INACTIVE· 40,227 sq ft · score 89 (A)
- Office buildings in Seattle· 497 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 ICICLE COURT OFFICE BLDG's energy grade?
ICICLE COURT OFFICE BLDG has no grade: it did not report energy data for 2024. The 2024 Building Energy Benchmarking disclosure lists the building but publishes no ENERGY STAR score, energy use or emissions for it.
Where is ICICLE COURT OFFICE BLDG?
ICICLE COURT OFFICE BLDG is at 4019 21ST AVE W, in Seattle, Washington 98199. Its coordinates are 47.65649, -122.38383 (latitude, longitude), as published in the Building Energy Benchmarking file.
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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, “ICICLE COURT OFFICE BLDG, Seattle, Washington — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/seattle/icicle-court-office-bldg-2e402e3b (data as of October 2, 2026).