Williams Apts
Multifamily Housing in Seattle, WA · 219 PONTIUS AVE N · 98109
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 89 (band A) |
| Site EUI | 55.0 kBtu/ft² |
| Source EUI | 103.6 kBtu/ft² |
| GHG emissions | 66 tCO₂e |
| GHG intensity | 1.5 kgCO₂e/ft² |
| Electricity | 331,422 kWh |
| Natural gas | 12,462 therms |
| Gross floor area | 41,502 sq ft |
| Source record | seattle:49739:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 89 | -1 | 55.0 kBtu/ft² | 66 tCO₂e |
| 2024 | 90 | -4 | 54.1 kBtu/ft² | 73 tCO₂e |
| 2023 | 94 | +3 | 50.5 kBtu/ft² | 66 tCO₂e |
| 2022 | 91 | -1 | 55.2 kBtu/ft² | 76 tCO₂e |
| 2021 | 92 | 52.6 kBtu/ft² | 69 tCO₂e | |
| 2020 | — | 55.4 kBtu/ft² | 76 tCO₂e | |
| 2019 | — | 56.1 kBtu/ft² | 78 tCO₂e | |
| 2018 | — | 49.6 kBtu/ft² | 69 tCO₂e | |
| 2017 | — | 53.3 kBtu/ft² | 80 tCO₂e | |
| 2016 | 82 | ±0 | 51.6 kBtu/ft² | 75 tCO₂e |
| 2015 | 82 | 51.8 kBtu/ft² | 76 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
- 219 PONTIUS AVE N
- City
- Seattle
- State
- Washington
- ZIP
- 98109
- Coordinates
- 47.62023, -122.33227
Within ~1 km
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See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is Williams Apts's energy grade?
Williams Apts scores 89 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 Williams Apts use?
Its 2025 site energy-use intensity was 55.0 kBtu/ft² (103.6 kBtu/ft² source) across 41,502 sq ft, including 331,422 kWh of electricity and 12,462 therms of natural gas.
What are Williams Apts's carbon emissions?
Williams Apts reported 66 tCO₂e of greenhouse-gas emissions (1.5 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.
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Dataset updated . Source: Building Energy Benchmarking disclosure, record seattle:49739:2025.