Icon Apartments
Multifamily Housing in Seattle, WA · 400 S JACKSON ST · 98104
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 96 (band A) |
| Site EUI | 36.0 kBtu/ft² |
| Source EUI | 80.3 kBtu/ft² |
| GHG emissions | 73 tCO₂e |
| GHG intensity | 0.8 kgCO₂e/ft² |
| Electricity | 686,493 kWh |
| Natural gas | 11,264 therms |
| Gross floor area | 137,771 sq ft |
| Source record | seattle:50254:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 96 | ±0 | 36.0 kBtu/ft² | 73 tCO₂e |
| 2024 | 96 | +1 | 35.7 kBtu/ft² | 76 tCO₂e |
| 2023 | 95 | +11 | 38.1 kBtu/ft² | 80 tCO₂e |
| 2022 | 84 | +3 | 43.2 kBtu/ft² | 75 tCO₂e |
| 2021 | 81 | -3 | 43.5 kBtu/ft² | 71 tCO₂e |
| 2020 | 84 | +2 | 41.5 kBtu/ft² | 70 tCO₂e |
| 2019 | 82 | -4 | 42.5 kBtu/ft² | 71 tCO₂e |
| 2018 | 86 | -12 | 40.7 kBtu/ft² | 71 tCO₂e |
| 2017 | 98 | 26.6 kBtu/ft² | 60 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.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 400 S JACKSON ST
- City
- Seattle
- State
- Washington
- ZIP
- 98104
- Coordinates
- 47.59941, -122.32857
Within ~1 km
Nearby benchmarked buildings
- Columbia Centerscore 90
Office · 1,952,220 sq ft
Hospital (General Medical & Surgical) · 1,926,841 sq ft
- Centurylink Field-Stadiumscore —
Stadium (Open) · 1,913,640 sq ft
Office · 1,413,575 sq ft
- Seattle Municipal Towerscore 86
Office · 1,354,987 sq ft
- 999 Third Avescore 88
Office · 1,323,055 sq ft
See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is Icon Apartments's energy grade?
Icon Apartments scores 96 out of 100 on ENERGY STAR — band A (High performer (85–100)) — in its 2025 Seattle disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Icon Apartments use?
Its 2025 site energy-use intensity was 36.0 kBtu/ft² (80.3 kBtu/ft² source) across 137,771 sq ft, including 686,493 kWh of electricity and 11,264 therms of natural gas.
What are Icon Apartments's carbon emissions?
Icon Apartments reported 73 tCO₂e of greenhouse-gas emissions (0.8 kgCO₂e/ft²) for 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.
Working with Seattle building benchmarking records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
Dataset updated . Source: Building Energy Benchmarking disclosure, record seattle:50254:2025.