6661 W IMPERIAL HWY
Museum in Los Angeles, CA · 90045
At a glance
6661 W IMPERIAL HWY is a 19,336-square-foot museum building in Los Angeles, California, built in 1961. In its 2025 Los Angeles benchmarking disclosure it reported a site energy-use intensity of 57.8 kBtu/ft² and 63 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 | 57.8 kBtu/ft² |
| Source EUI | 140.7 kBtu/ft² |
| GHG emissions | 63 tCO₂e |
| GHG intensity | — |
| Water use | 1,457 kgal |
| Gross floor area | 19,336 sq ft |
| Source record | la:438745797821:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 57.8 kBtu/ft² | 63 tCO₂e | |
| 2024 | — | 166.5 kBtu/ft² | 180 tCO₂e | |
| 2023 | — | 95.0 kBtu/ft² | 129 tCO₂e | |
| 2022 | — | 172.1 kBtu/ft² | 218 tCO₂e | |
| 2021 | — | 333.5 kBtu/ft² | 370 tCO₂e | |
| 2020 | — | 320.6 kBtu/ft² | 396 tCO₂e | |
| 2019 | — | 426.5 kBtu/ft² | 456 tCO₂e | |
| 2018 | — | 75.5 kBtu/ft² | 98 tCO₂e | |
| 2017 | — | — | — | |
| 2016 | — | 68.6 kBtu/ft² | 98 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
Los Angeles World Airports
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Location
- Address
- 6661 W IMPERIAL HWY
- City
- Los Angeles
- State
- California
- ZIP
- 90045
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 6661 W IMPERIAL HWY compare with other museum buildings in Los Angeles?
The latest disclosures cover 8 museum buildings in Los Angeles, out of 11,498 buildings citywide. Its site EUI of 57.8 kBtu/ft² is about 31% below the average of 83.2 kBtu/ft² — it uses less energy per square foot than the typical building in that group.
At 19,336 sq ft, it is about 93% below the average floor area of 286,061 sq ft for those buildings. It was built in 1961, 21 years earlier than the group's average year built (1982).
How has 6661 W IMPERIAL HWY's energy performance changed over time?
BuildingCensus holds 10 Los Angeles disclosures for 6661 W IMPERIAL HWY, covering report years 2016–2025. Site EUI moved from 68.6 kBtu/ft² (2016) to 57.8 kBtu/ft² (2025), a 16% decrease. Reported emissions went from 98 tCO₂e to 63 tCO₂e over the same span (down 36%).
What does a site EUI of 57.8 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. 6661 W IMPERIAL HWY's 57.8 kBtu/ft² across 19,336 sq ft works out to about 1.1 billion Btu (328 MWh-equivalent) in 2025. Its source EUI of 140.7 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 1,457 thousand gallons of water for the year.
Which law requires 6661 W IMPERIAL HWY to report its energy use?
6661 W IMPERIAL HWY 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:438745797821:2025). 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 museum buildings in Los Angeles
Frequently asked questions
What is 6661 W IMPERIAL HWY's energy grade?
6661 W IMPERIAL HWY did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 57.8 kBtu/ft².
How much energy does 6661 W IMPERIAL HWY use?
Its 2025 site energy-use intensity was 57.8 kBtu/ft² (140.7 kBtu/ft² source) across 19,336 sq ft.
What are 6661 W IMPERIAL HWY's carbon emissions?
6661 W IMPERIAL HWY reported 63 tCO₂e of greenhouse-gas emissions for 2025.
Where is 6661 W IMPERIAL HWY?
6661 W IMPERIAL HWY is in Los Angeles, California 90045.
How big is 6661 W IMPERIAL HWY and when was it built?
6661 W IMPERIAL HWY has 19,336 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 1961 as its year built. It is classed as museum.
Is 6661 W IMPERIAL HWY 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, “6661 W IMPERIAL HWY, Los Angeles, California — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/los-angeles/6661-w-imperial-hwy-73ad186f (data as of October 2, 2026).