405 S WILTON PL
Multifamily Housing in Los Angeles, CA · 90020
At a glance
405 S WILTON PL is a 22,250-square-foot multifamily housing building in Los Angeles, California, built in 1989. In its 2025 Los Angeles benchmarking disclosure it reported a site energy-use intensity of 27.3 kBtu/ft² and 33 tCO₂e of greenhouse-gas emissions.
LA Municipal Code Div. 97, §91.9701 (EBEWE) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 27.3 kBtu/ft² |
| Source EUI | 49.5 kBtu/ft² |
| GHG emissions | 33 tCO₂e |
| GHG intensity | — |
| Water use | 1,122 kgal |
| Gross floor area | 22,250 sq ft |
| Source record | la:466470846865:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 27.3 kBtu/ft² | 33 tCO₂e | |
| 2024 | — | — | — | |
| 2023 | — | 30.4 kBtu/ft² | 41 tCO₂e | |
| 2022 | 90 | +9 | 29.3 kBtu/ft² | 39 tCO₂e |
| 2021 | 81 | -5 | 32.6 kBtu/ft² | 41 tCO₂e |
| 2020 | 86 | -6 | 32.3 kBtu/ft² | 42 tCO₂e |
| 2019 | 92 | +2 | 29.1 kBtu/ft² | 39 tCO₂e |
| 2018 | 90 | 29.7 kBtu/ft² | 40 tCO₂e |
Compliance context
LA Municipal Code Div. 97, §91.9701 (EBEWE)
EBEWE requires annual benchmarking plus audits/retro-commissioning every five years for privately owned buildings of 20,000 sq ft or more; non-compliance carries a $202 fee (LAMC §91.9712) plus possible late fees.
Ownership
Vert Energy Group, Inc.
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Location
- Address
- 405 S WILTON PL
- City
- Los Angeles
- State
- California
- ZIP
- 90020
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
How does 405 S WILTON PL compare with other multifamily housing buildings in Los Angeles?
The latest disclosures cover 3,538 multifamily housing buildings in Los Angeles, out of 11,498 buildings citywide. Its site EUI of 27.3 kBtu/ft² is about 27% below the average of 37.2 kBtu/ft² — it uses less energy per square foot than the typical building in that group.
At 22,250 sq ft, it is about 63% below the average floor area of 60,540 sq ft for those buildings. It was built in 1989, 14 years later than the group's average year built (1975). Across all 24 jurisdictions BuildingCensus covers, the 59,945 multifamily housing buildings average an ENERGY STAR score of 70 and a site EUI of 59.0 kBtu/ft².
How has 405 S WILTON PL's energy performance changed over time?
BuildingCensus holds 8 Los Angeles disclosures for 405 S WILTON PL, covering report years 2018–2025. Its ENERGY STAR score was 90 in both 2018 and 2022. Site EUI moved from 29.7 kBtu/ft² (2018) to 27.3 kBtu/ft² (2025), a 8% decrease. Reported emissions went from 40 tCO₂e to 33 tCO₂e over the same span (down 17%).
What does a site EUI of 27.3 kBtu/ft² mean?
Site energy-use intensity (EUI) is the energy a building uses on site in a year divided by its floor area, in thousand Btu per square foot — lower is more efficient. 405 S WILTON PL's 27.3 kBtu/ft² across 22,250 sq ft works out to about 0.6 billion Btu (178 MWh-equivalent) in 2025. Its source EUI of 49.5 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,122 thousand gallons of water for the year.
Which law requires 405 S WILTON PL to report its energy use?
405 S WILTON PL reports under LA Municipal Code Div. 97, §91.9701 (EBEWE), the legal basis of Los Angeles's Existing Buildings Energy & Water Efficiency (EBEWE) program, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2025 disclosure (source record la:466470846865:2025). EBEWE requires annual benchmarking plus audits/retro-commissioning every five years for privately owned buildings of 20,000 sq ft or more; non-compliance carries a $202 fee (LAMC §91.9712) plus possible late fees.
More multifamily housing buildings in Los Angeles
- 18429 PRAIRIE ST· 22,243 sq ft · score 96 (A)
- 8654 PARTHENIA PL· 22,239 sq ft · score 55 (C)
- 7817 RESEDA BLVD· 22,238 sq ft · score 40 (D)
- 10520 NATIONAL BLVD· 22,237 sq ft · score 78 (B)
- 415 UNION DR· 22,214 sq ft · score 49 (D)
- 18531 DEARBORN ST· 22,186 sq ft · score 82 (B)
- Multifamily Housing buildings in Los Angeles· 3,538 benchmarked
- All Los Angeles benchmarked buildings· LA Municipal Code Div. 97, §91.9701 (EBEWE)
- Most efficient large buildings in Los Angeles
- Least efficient large buildings in Los Angeles
- Biggest emitters in Los Angeles
Frequently asked questions
What is 405 S WILTON PL's energy grade?
405 S WILTON PL did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 27.3 kBtu/ft².
How much energy does 405 S WILTON PL use?
Its 2025 site energy-use intensity was 27.3 kBtu/ft² (49.5 kBtu/ft² source) across 22,250 sq ft.
What are 405 S WILTON PL's carbon emissions?
405 S WILTON PL reported 33 tCO₂e of greenhouse-gas emissions for 2025.
Where is 405 S WILTON PL?
405 S WILTON PL is in Los Angeles, California 90020.
How big is 405 S WILTON PL and when was it built?
405 S WILTON PL has 22,250 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 1989 as its year built. It is classed as multifamily housing.
Is 405 S WILTON PL covered by LA Municipal Code Div. 97, §91.9701 (EBEWE)?
Yes — it appears in the 2025 Existing Buildings Energy & Water Efficiency (EBEWE) disclosure, which lists the buildings reporting under LA Municipal Code Div. 97, §91.9701 (EBEWE).
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About this data
Source: Existing Buildings Energy & Water Efficiency (EBEWE) (LA Municipal Code Div. 97, §91.9701 (EBEWE)), as published October 2, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “405 S WILTON PL, Los Angeles, California — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/los-angeles/405-s-wilton-pl-b0319a4a (data as of October 2, 2026).