CAROLINE W. APTS
Multifamily MR (5-9) in Seattle, WA · 431 BOYLSTON AVE E · 98102
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 91 (band A) |
| Site EUI | 42.1 kBtu/ft² |
| Source EUI | 102.0 kBtu/ft² |
| GHG emissions | 15 tCO₂e |
| GHG intensity | 0.7 kgCO₂e/ft² |
| Electricity | 218,835 kWh |
| Natural gas | 2,058 therms |
| Gross floor area | 22,455 sq ft |
| Source record | seattle:50022:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 91 | -2 | 42.1 kBtu/ft² | 15 tCO₂e |
| 2023 | 93 | +7 | 41.6 kBtu/ft² | 16 tCO₂e |
| 2022 | 86 | 42.1 kBtu/ft² | 5 tCO₂e | |
| 2021 | — | — | — | |
| 2020 | 89 | ±0 | 44.2 kBtu/ft² | 16 tCO₂e |
| 2019 | 89 | +7 | 44.8 kBtu/ft² | 17 tCO₂e |
| 2018 | 82 | -17 | 48.9 kBtu/ft² | 18 tCO₂e |
| 2017 | 99 | +4 | 34.7 kBtu/ft² | 14 tCO₂e |
| 2016 | 95 | 31.9 kBtu/ft² | 4 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
- 431 BOYLSTON AVE E
- City
- Seattle
- State
- Washington
- ZIP
- 98102
- Coordinates
- 47.62301, -122.32337
Within ~1 km
Nearby benchmarked buildings
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Multifamily MR (5-9) · 518,888 sq ft
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See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is CAROLINE W. APTS's energy grade?
CAROLINE W. APTS scores 91 out of 100 on ENERGY STAR — band A (High performer (85–100)) — in its 2024 Seattle disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does CAROLINE W. APTS use?
Its 2024 site energy-use intensity was 42.1 kBtu/ft² (102.0 kBtu/ft² source) across 22,455 sq ft, including 218,835 kWh of electricity and 2,058 therms of natural gas.
What are CAROLINE W. APTS's carbon emissions?
CAROLINE W. APTS reported 15 tCO₂e of greenhouse-gas emissions (0.7 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:50022:2024.