331 Ardmore Apts - 331 S Ardmore Ave, Los Angeles, Ca 90020
Multifamily Housing in California, CA · 331 South Ardmore Avenue, Los Angeles · 90020
At a glance
331 Ardmore Apts - 331 S Ardmore Ave, Los Angeles, Ca 90020 is a 62,913-square-foot multifamily housing building at 331 South Ardmore Avenue, Los Angeles in Los Angeles, California, built in 1972. In its 2024 California benchmarking disclosure it reported an ENERGY STAR score of 53 out of 100 (grade D), a site energy-use intensity of 40.2 kBtu/ft² and 152 tCO₂e of greenhouse-gas emissions. That score is higher than 11% of the 9,612 scored multifamily housing buildings in California.
AB 802 (Public Resources Code §25402.10) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 53 (band D) |
| Site EUI | 40.2 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 152 tCO₂e |
| GHG intensity | 2.4 kgCO₂e/ft² |
| Electricity | 344,241 kWh |
| Gross floor area | 62,913 sq ft |
| Source record | california:28493264:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 53 | +12 | 40.2 kBtu/ft² | 152 tCO₂e |
| 2023 | 41 | 41.2 kBtu/ft² | 162 tCO₂e |
Compliance context
AB 802 (Public Resources Code §25402.10)
AB 802 requires every California commercial building over 50,000 sq ft to report energy use to the CEC annually; the CEC publicly discloses the results statewide.
Ownership
No owning organisation shown. Names of private individuals in the disclosure are not published here.
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Location
- Address
- 331 South Ardmore Avenue, Los Angeles
- City
- California
- State
- California
- ZIP
- 90020
- Coordinates
- 34.06825, -118.30195
Within ~1 km
Nearby benchmarked buildings
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See also: most efficient in California · biggest emitters
How does 331 Ardmore Apts - 331 S Ardmore Ave, Los Angeles, Ca 90020 compare with other multifamily housing buildings in California?
The latest disclosures cover 10,630 multifamily housing buildings in California, out of 40,029 buildings citywide. 331 Ardmore Apts - 331 S Ardmore Ave, Los Angeles, Ca 90020's ENERGY STAR score of 53 compares with an average of 82 across the 9,612 that report a score; it scores higher than 11% of them and lower than 89%. Its site EUI of 40.2 kBtu/ft² is about 17% above the average of 34.4 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 2.4 kgCO₂e/ft² is about 15% above the group average of 2.1 kgCO₂e/ft².
At 62,913 sq ft, it is about 58% below the average floor area of 150,919 sq ft for those buildings. It was built in 1972, 16 years earlier than the group's average year built (1988). 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 331 Ardmore Apts - 331 S Ardmore Ave, Los Angeles, Ca 90020's energy performance changed over time?
BuildingCensus holds 2 California disclosures for 331 Ardmore Apts - 331 S Ardmore Ave, Los Angeles, Ca 90020, covering report years 2023–2024. Its ENERGY STAR score went from 41 in 2023 to 53 in 2024 (+12 points). Site EUI moved from 41.2 kBtu/ft² (2023) to 40.2 kBtu/ft² (2024), a 2% decrease. Reported emissions went from 162 tCO₂e to 152 tCO₂e over the same span (down 7%).
What does an ENERGY STAR score of 53 mean?
ENERGY STAR scores run from 1 to 100 and are computed by the EPA's Portfolio Manager as a percentile against similar buildings nationwide, adjusted for climate, size and use: a score of 53 means the building performs better than about 53% of its national peers. BuildingCensus bands the score into report-card grades; 53 falls in band D — lowest band (1–54). It sits 22 points below 75, the threshold for ENERGY STAR certification. In California, 65% of scored buildings are at 75 or above.
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. 331 Ardmore Apts - 331 S Ardmore Ave, Los Angeles, Ca 90020's 40.2 kBtu/ft² across 62,913 sq ft works out to about 2.5 billion Btu (741 MWh-equivalent) in 2024. The disclosure also reports 344,241 kWh of electricity for the year.
Which law requires 331 Ardmore Apts - 331 S Ardmore Ave, Los Angeles, Ca 90020 to report its energy use?
331 Ardmore Apts - 331 S Ardmore Ave, Los Angeles, Ca 90020 reports under AB 802 (Public Resources Code §25402.10), the legal basis of California's Building Energy Benchmarking Program (statewide), which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2024 disclosure (source record california:28493264:2024). AB 802 requires every California commercial building over 50,000 sq ft to report energy use to the CEC annually; the CEC publicly discloses the results statewide.
More multifamily housing buildings in California
- Rose Pointe Bellevue Apts· 62,900 sq ft · score 88 (A)
- Fairstead - Villa Mirage: 34160 Rebecca Way· 62,897 sq ft · score 73 (B)
- Rancho California: Rancho California· 62,897 sq ft · score 100 (A)
- The Montaire· 62,897 sq ft · score 100 (A)
- 2265 S Beverly Glen Blvd· 62,880 sq ft · score 34 (D)
- Brourman, Harold And Phyllis Trs· 62,880 sq ft · score 79 (B)
- Multifamily Housing buildings in California· 10,630 benchmarked
- All California benchmarked buildings· AB 802 (Public Resources Code §25402.10)
- Most efficient large buildings in California
- Least efficient large buildings in California
- Biggest emitters in California
Frequently asked questions
What is 331 Ardmore Apts - 331 S Ardmore Ave, Los Angeles, Ca 90020's energy grade?
331 Ardmore Apts - 331 S Ardmore Ave, Los Angeles, Ca 90020 scores 53 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2024 California disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 331 Ardmore Apts - 331 S Ardmore Ave, Los Angeles, Ca 90020 use?
Its 2024 site energy-use intensity was 40.2 kBtu/ft² across 62,913 sq ft, including 344,241 kWh of electricity.
What are 331 Ardmore Apts - 331 S Ardmore Ave, Los Angeles, Ca 90020's carbon emissions?
331 Ardmore Apts - 331 S Ardmore Ave, Los Angeles, Ca 90020 reported 152 tCO₂e of greenhouse-gas emissions (2.4 kgCO₂e/ft²) for 2024.
Where is 331 Ardmore Apts - 331 S Ardmore Ave, Los Angeles, Ca 90020?
331 Ardmore Apts - 331 S Ardmore Ave, Los Angeles, Ca 90020 is at 331 South Ardmore Avenue, Los Angeles, in Los Angeles, California 90020. Its coordinates are 34.06825, -118.30195 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is 331 Ardmore Apts - 331 S Ardmore Ave, Los Angeles, Ca 90020 and when was it built?
331 Ardmore Apts - 331 S Ardmore Ave, Los Angeles, Ca 90020 has 62,913 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1972 as its year built. It is classed as multifamily housing.
Is 331 Ardmore Apts - 331 S Ardmore Ave, Los Angeles, Ca 90020 covered by AB 802 (Public Resources Code §25402.10)?
Yes — it appears in the 2024 Building Energy Benchmarking Program (statewide) disclosure, which lists the buildings reporting under AB 802 (Public Resources Code §25402.10).
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About this data
Source: Building Energy Benchmarking Program (statewide) (AB 802 (Public Resources Code §25402.10)), as published July 9, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “331 Ardmore Apts - 331 S Ardmore Ave, Los Angeles, Ca 90020, Los Angeles, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/331-ardmore-apts-331-s-ardmore-ave-los-angeles-ca-90020-bd6d1258 (data as of July 9, 2026).