PORTER APT
Multifamily LR (1-4) in Seattle, WA · 1630 BOYLSTON AVE · 98122
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 36 (band D) |
| Site EUI | 87.4 kBtu/ft² |
| Source EUI | 109.6 kBtu/ft² |
| GHG emissions | 109 tCO₂e |
| GHG intensity | 4.2 kgCO₂e/ft² |
| Electricity | 78,394 kWh |
| Natural gas | 20,274 therms |
| Gross floor area | 26,246 sq ft |
| Source record | seattle:26008:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 36 | +19 | 87.4 kBtu/ft² | 109 tCO₂e |
| 2023 | 17 | +15 | 97.9 kBtu/ft² | 119 tCO₂e |
| 2022 | 2 | +1 | 150.5 kBtu/ft² | 198 tCO₂e |
| 2021 | 1 | -79 | 165.3 kBtu/ft² | 221 tCO₂e |
| 2020 | 80 | +29 | 61.6 kBtu/ft² | 76 tCO₂e |
| 2019 | 51 | -1 | 77.7 kBtu/ft² | 97 tCO₂e |
| 2018 | 52 | ±0 | 74.7 kBtu/ft² | 92 tCO₂e |
| 2017 | 52 | -8 | 79.4 kBtu/ft² | 99 tCO₂e |
| 2016 | 60 | +16 | 72.1 kBtu/ft² | 89 tCO₂e |
| 2015 | 44 | 80.0 kBtu/ft² | 99 tCO₂e |
Compliance context
Seattle Energy Benchmarking Ordinance (SMC 22.920)
Seattle's Building Emissions Performance Standard (2023) sets declining carbon targets for buildings over 20,000 sq ft, with penalties for non-compliance beginning in the 2030s.
Ownership
No owner listed in the disclosure.
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Location
- Address
- 1630 BOYLSTON AVE
- City
- Seattle
- State
- Washington
- ZIP
- 98122
- Coordinates
- 47.61619, -122.32309
Within ~1 km
Nearby benchmarked buildings
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See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is PORTER APT's energy grade?
PORTER APT scores 36 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 PORTER APT use?
Its 2024 site energy-use intensity was 87.4 kBtu/ft² (109.6 kBtu/ft² source) across 26,246 sq ft, including 78,394 kWh of electricity and 20,274 therms of natural gas.
What are PORTER APT's carbon emissions?
PORTER APT reported 109 tCO₂e of greenhouse-gas emissions (4.2 kgCO₂e/ft²) for 2024. Seattle's Building Emissions Performance Standard (2023) sets declining carbon targets for buildings over 20,000 sq ft, with penalties for non-compliance beginning in the 2030s.
Dataset updated . Source: Building Energy Benchmarking disclosure, record seattle:26008:2024.