866 S WESTERN AVE
Strip Mall in Los Angeles, CA · 90005
At a glance
866 S WESTERN AVE is a 20,518-square-foot strip mall building in Los Angeles, California, built in 1929. In its 2025 Los Angeles benchmarking disclosure it reported a site energy-use intensity of 35.0 kBtu/ft² and 41 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 | 35.0 kBtu/ft² |
| Source EUI | 98.0 kBtu/ft² |
| GHG emissions | 41 tCO₂e |
| GHG intensity | — |
| Water use | 286 kgal |
| Gross floor area | 20,518 sq ft |
| Source record | la:468187843022:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 35.0 kBtu/ft² | 41 tCO₂e | |
| 2024 | 72 | +11 | 39.5 kBtu/ft² | 46 tCO₂e |
| 2023 | 61 | +9 | 41.5 kBtu/ft² | 60 tCO₂e |
| 2022 | 52 | -3 | 45.4 kBtu/ft² | 64 tCO₂e |
| 2021 | 55 | -24 | 44.0 kBtu/ft² | 55 tCO₂e |
| 2020 | 79 | +21 | 33.2 kBtu/ft² | 45 tCO₂e |
| 2019 | 58 | +11 | 42.9 kBtu/ft² | 62 tCO₂e |
| 2018 | 47 | 51.9 kBtu/ft² | 75 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
Partner Energy
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Location
- Address
- 866 S WESTERN AVE
- City
- Los Angeles
- State
- California
- ZIP
- 90005
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 866 S WESTERN AVE compare with other strip mall buildings in Los Angeles?
The latest disclosures cover 98 strip mall buildings in Los Angeles, out of 11,498 buildings citywide. Its site EUI of 35.0 kBtu/ft² is about 58% below the average of 84.1 kBtu/ft² — it uses less energy per square foot than the typical building in that group.
At 20,518 sq ft, it is about 67% below the average floor area of 61,711 sq ft for those buildings. It was built in 1929, 47 years earlier than the group's average year built (1976). Across all 24 jurisdictions BuildingCensus covers, the 1,607 strip mall buildings average an ENERGY STAR score of 68 and a site EUI of 83.1 kBtu/ft².
How has 866 S WESTERN AVE's energy performance changed over time?
BuildingCensus holds 8 Los Angeles disclosures for 866 S WESTERN AVE, covering report years 2018–2025. Its ENERGY STAR score went from 47 in 2018 to 72 in 2024 (+25 points); its best year on file was 2020, at 79. Site EUI moved from 51.9 kBtu/ft² (2018) to 35.0 kBtu/ft² (2025), a 33% decrease. Reported emissions went from 75 tCO₂e to 41 tCO₂e over the same span (down 45%).
What does a site EUI of 35.0 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. 866 S WESTERN AVE's 35.0 kBtu/ft² across 20,518 sq ft works out to about 0.7 billion Btu (210 MWh-equivalent) in 2025. Its source EUI of 98.0 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 286 thousand gallons of water for the year.
Which law requires 866 S WESTERN AVE to report its energy use?
866 S WESTERN AVE 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:468187843022:2025). 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 strip mall buildings in Los Angeles
- 3212 W SLAUSON AVE· 20,467 sq ft · EUI 26.9 kBtu/ft²
- 4371 GLENCOE AVE· 20,440 sq ft · EUI 222.1 kBtu/ft²
- 17451 VENTURA BLVD· 18,580 sq ft · EUI 122.4 kBtu/ft²
- Strip Mall buildings in Los Angeles· 98 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 866 S WESTERN AVE's energy grade?
866 S WESTERN AVE did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 35.0 kBtu/ft².
How much energy does 866 S WESTERN AVE use?
Its 2025 site energy-use intensity was 35.0 kBtu/ft² (98.0 kBtu/ft² source) across 20,518 sq ft.
What are 866 S WESTERN AVE's carbon emissions?
866 S WESTERN AVE reported 41 tCO₂e of greenhouse-gas emissions for 2025.
Where is 866 S WESTERN AVE?
866 S WESTERN AVE is in Los Angeles, California 90005.
How big is 866 S WESTERN AVE and when was it built?
866 S WESTERN AVE has 20,518 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 1929 as its year built. It is classed as strip mall.
Is 866 S WESTERN AVE 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, “866 S WESTERN AVE, Los Angeles, California — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/los-angeles/866-s-western-ave-95de3275 (data as of October 2, 2026).