427 S WESTLAKE AVE
Multifamily Housing in Los Angeles, CA · 90057
LA Municipal Code 22.610.1 (EBEWE) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 67 (band C) |
| Site EUI | 48.2 kBtu/ft² |
| Source EUI | 74.4 kBtu/ft² |
| GHG emissions | 117 tCO₂e |
| GHG intensity | — |
| Water use | 1,866 kgal |
| Gross floor area | 44,791 sq ft |
| Source record | la:478795844391:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 67 | -5 | 48.2 kBtu/ft² | 117 tCO₂e |
| 2024 | 72 | +8 | 47.4 kBtu/ft² | 121 tCO₂e |
| 2023 | 64 | -15 | 50.3 kBtu/ft² | 130 tCO₂e |
| 2022 | 79 | -3 | 42.1 kBtu/ft² | 111 tCO₂e |
| 2021 | 82 | ±0 | 40.9 kBtu/ft² | 107 tCO₂e |
| 2020 | 82 | ±0 | 41.4 kBtu/ft² | 108 tCO₂e |
| 2019 | 82 | 41.6 kBtu/ft² | 103 tCO₂e | |
| 2018 | — | — | — |
Compliance context
LA Municipal Code 22.610.1 (EBEWE)
EBEWE requires annual benchmarking plus 5-year audit/retro-commissioning cycles for buildings over 20,000 sq ft; non-compliance is subject to citation and fines.
Ownership
Bay Efficiency
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Location
- Address
- 427 S WESTLAKE AVE
- City
- Los Angeles
- State
- California
- ZIP
- 90057
Within ~1 km
Nearby benchmarked buildings
This source publishes no coordinates, so nearby buildings can't be resolved yet.
See also: most efficient in Los Angeles · biggest emitters
Frequently asked questions
What is 427 S WESTLAKE AVE's energy grade?
427 S WESTLAKE AVE scores 67 out of 100 on ENERGY STAR — band C (Below median (55–69)) — in its 2025 Los Angeles disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 427 S WESTLAKE AVE use?
Its 2025 site energy-use intensity was 48.2 kBtu/ft² (74.4 kBtu/ft² source) across 44,791 sq ft.
What are 427 S WESTLAKE AVE's carbon emissions?
427 S WESTLAKE AVE reported 117 tCO₂e of greenhouse-gas emissions for 2025. EBEWE requires annual benchmarking plus 5-year audit/retro-commissioning cycles for buildings over 20,000 sq ft; non-compliance is subject to citation and fines.
Dataset updated . Source: Existing Buildings Energy & Water Efficiency (EBEWE) disclosure, record la:478795844391:2025.