The Hermoyne
Multifamily Housing in California, CA · 569 North Rossmore Avenue, Los Angeles · 90004
At a glance
The Hermoyne is a 75,692-square-foot multifamily housing building at 569 North Rossmore Avenue, Los Angeles in Los Angeles, California, built in 1929. In its 2024 California benchmarking disclosure it reported an ENERGY STAR score of 32 out of 100 (grade D), a site energy-use intensity of 55.2 kBtu/ft² and 247 tCO₂e of greenhouse-gas emissions. That score is higher than 5% 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 | 32 (band D) |
| Site EUI | 55.2 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 247 tCO₂e |
| GHG intensity | 3.3 kgCO₂e/ft² |
| Electricity | 331,186 kWh |
| Gross floor area | 75,692 sq ft |
| Source record | california:6335327:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 32 | -10 | 55.2 kBtu/ft² | 247 tCO₂e |
| 2023 | 42 | +18 | 47.1 kBtu/ft² | 225 tCO₂e |
| 2022 | 24 | +9 | 50.1 kBtu/ft² | 230 tCO₂e |
| 2021 | 15 | -15 | 54.4 kBtu/ft² | 241 tCO₂e |
| 2020 | 30 | -9 | 52.9 kBtu/ft² | 215 tCO₂e |
| 2019 | 39 | 47.8 kBtu/ft² | 219 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.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 569 North Rossmore Avenue, Los Angeles
- City
- California
- State
- California
- ZIP
- 90004
- Coordinates
- 34.08088, -118.32762
Within ~1 km
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See also: most efficient in California · biggest emitters
How does The Hermoyne 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. The Hermoyne's ENERGY STAR score of 32 compares with an average of 82 across the 9,612 that report a score; it scores higher than 5% of them and lower than 94%. Its site EUI of 55.2 kBtu/ft² is about 60% 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 3.3 kgCO₂e/ft² is about 56% above the group average of 2.1 kgCO₂e/ft².
At 75,692 sq ft, it is about half of the average floor area of 150,919 sq ft for those buildings. It was built in 1929, 59 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 The Hermoyne's energy performance changed over time?
BuildingCensus holds 6 California disclosures for The Hermoyne, covering report years 2019–2024. Its ENERGY STAR score went from 39 in 2019 to 32 in 2024 (-7 points); its best year on file was 2023, at 42. Site EUI moved from 47.8 kBtu/ft² (2019) to 55.2 kBtu/ft² (2024), an 15% increase. Reported emissions went from 219 tCO₂e to 247 tCO₂e over the same span (up 13%).
What does an ENERGY STAR score of 32 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 32 means the building performs better than about 32% of its national peers. BuildingCensus bands the score into report-card grades; 32 falls in band D — lowest band (1–54). It sits 43 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. The Hermoyne's 55.2 kBtu/ft² across 75,692 sq ft works out to about 4.2 billion Btu (1,225 MWh-equivalent) in 2024. The disclosure also reports 331,186 kWh of electricity for the year.
Which law requires The Hermoyne to report its energy use?
The Hermoyne 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:6335327:2024). 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
- 3730 Gum Tree St· 75,685 sq ft · score 100 (A)
- Salinas Gateway Senior Apartments· 75,650 sq ft · score 94 (A)
- Woodside 2557 Alvin Ave· 75,645 sq ft · score 83 (B)
- Ohlone Gardens· 75,631 sq ft · score 97 (A)
- La Valentina Apartments· 75,622 sq ft · score 100 (A)
- 2222 S Figueroa St. - Ladbs· 75,603 sq ft · EUI 30.9 kBtu/ft²
- 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 The Hermoyne's energy grade?
The Hermoyne scores 32 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 The Hermoyne use?
Its 2024 site energy-use intensity was 55.2 kBtu/ft² across 75,692 sq ft, including 331,186 kWh of electricity.
What are The Hermoyne's carbon emissions?
The Hermoyne reported 247 tCO₂e of greenhouse-gas emissions (3.3 kgCO₂e/ft²) for 2024.
Where is The Hermoyne?
The Hermoyne is at 569 North Rossmore Avenue, Los Angeles, in Los Angeles, California 90004. Its coordinates are 34.08088, -118.32762 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is The Hermoyne and when was it built?
The Hermoyne has 75,692 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1929 as its year built. It is classed as multifamily housing.
Is The Hermoyne 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, “The Hermoyne, Los Angeles, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/the-hermoyne-29b03895 (data as of July 9, 2026).