BOYLSTON APARTMENTS (LIHI)
Multifamily MR (5-9) in Seattle, WA · 420 BOYLSTON AVE E · 98102
Seattle Energy Benchmarking Ordinance (SMC 22.920) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 94 (band A) |
| Site EUI | 48.8 kBtu/ft² |
| Source EUI | 98.6 kBtu/ft² |
| GHG emissions | 36 tCO₂e |
| GHG intensity | 1.3 kgCO₂e/ft² |
| Electricity | 215,502 kWh |
| Natural gas | 5,895 therms |
| Gross floor area | 27,148 sq ft |
| Source record | seattle:50776:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 94 | ±0 | 48.8 kBtu/ft² | 36 tCO₂e |
| 2023 | 94 | -6 | 47.6 kBtu/ft² | 32 tCO₂e |
| 2022 | 100 | ±0 | 26.5 kBtu/ft² | 4 tCO₂e |
| 2021 | 100 | 0.9 kBtu/ft² | 0 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
- 420 BOYLSTON AVE E
- City
- Seattle
- State
- Washington
- ZIP
- 98102
- Coordinates
- 47.62267, -122.32278
Within ~1 km
Nearby benchmarked buildings
Laboratory · 603,009 sq ft
- 1150 EASTLAKEscore —
Mixed Use Property · 579,885 sq ft
- FHCRC - ARNOLD BLDGscore 67
Office · 560,516 sq ft
- Nexusscore 100
Multifamily HR (10+) · 522,137 sq ft
- METROPOLITAN PARK EASTscore 83
Office · 497,513 sq ft
- JOULEscore 98
Multifamily MR (5-9) · 436,301 sq ft
See also: most efficient in Seattle · biggest emitters
Frequently asked questions
What is BOYLSTON APARTMENTS (LIHI)'s energy grade?
BOYLSTON APARTMENTS (LIHI) scores 94 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 BOYLSTON APARTMENTS (LIHI) use?
Its 2024 site energy-use intensity was 48.8 kBtu/ft² (98.6 kBtu/ft² source) across 27,148 sq ft, including 215,502 kWh of electricity and 5,895 therms of natural gas.
What are BOYLSTON APARTMENTS (LIHI)'s carbon emissions?
BOYLSTON APARTMENTS (LIHI) reported 36 tCO₂e of greenhouse-gas emissions (1.3 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:50776:2024.