Windfaire Apartments
Multifamily Housing in California, CA · 11047 Otsego Street, Los Angeles · 91601
At a glance
Windfaire Apartments is a 55,767-square-foot multifamily housing building at 11047 Otsego Street, Los Angeles in Los Angeles, California, built in 1991. In its 2024 California benchmarking disclosure it reported an ENERGY STAR score of 100 out of 100 (grade A), a site energy-use intensity of 19.0 kBtu/ft² and 69 tCO₂e of greenhouse-gas emissions. That score is higher than 76% 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 | 100 (band A) |
| Site EUI | 19.0 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 69 tCO₂e |
| GHG intensity | 1.2 kgCO₂e/ft² |
| Electricity | 284,781 kWh |
| Gross floor area | 55,767 sq ft |
| Source record | california:6932981:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 100 | ±0 | 19.0 kBtu/ft² | 69 tCO₂e |
| 2023 | 100 | +15 | 18.8 kBtu/ft² | 72 tCO₂e |
| 2022 | 85 | -7 | 23.6 kBtu/ft² | 88 tCO₂e |
| 2021 | 92 | +6 | 19.5 kBtu/ft² | 65 tCO₂e |
| 2020 | 86 | +8 | 25.5 kBtu/ft² | 83 tCO₂e |
| 2019 | 78 | 29.9 kBtu/ft² | 106 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
- 11047 Otsego Street, Los Angeles
- City
- California
- State
- California
- ZIP
- 91601
- Coordinates
- 34.16330, -118.37240
Within ~1 km
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See also: most efficient in California · biggest emitters
How does Windfaire Apartments 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. Windfaire Apartments's ENERGY STAR score of 100 compares with an average of 82 across the 9,612 that report a score; it scores higher than 76% of them. Its site EUI of 19.0 kBtu/ft² is about 45% below the average of 34.4 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 1.2 kgCO₂e/ft² is about 41% below the group average of 2.1 kgCO₂e/ft².
At 55,767 sq ft, it is about 63% below the average floor area of 150,919 sq ft for those buildings. Its 1991 construction date is close to 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 Windfaire Apartments's energy performance changed over time?
BuildingCensus holds 6 California disclosures for Windfaire Apartments, covering report years 2019–2024. Its ENERGY STAR score went from 78 in 2019 to 100 in 2024 (+22 points); its best year on file was 2023, at 100. Site EUI moved from 29.9 kBtu/ft² (2019) to 19.0 kBtu/ft² (2024), a 36% decrease. Reported emissions went from 106 tCO₂e to 69 tCO₂e over the same span (down 35%).
What does an ENERGY STAR score of 100 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: 100 is the top of the scale. BuildingCensus bands the score into report-card grades; 100 falls in band A — high performer (85–100). Scores of 75 or higher meet the threshold for ENERGY STAR certification; certification itself is a separate, verified application that the disclosure does not record. 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. Windfaire Apartments's 19.0 kBtu/ft² across 55,767 sq ft works out to about 1.1 billion Btu (311 MWh-equivalent) in 2024. The disclosure also reports 284,781 kWh of electricity for the year.
Which law requires Windfaire Apartments to report its energy use?
Windfaire Apartments 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:6932981:2024). 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
- 1161 E Shepherd Ave Fresno Ca· 55,766 sq ft · score 100 (A)
- 7731 Trask Ave· 55,760 sq ft · score 68 (C)
- Arboleda Apartments: Arboleda· 55,752 sq ft · score 100 (A)
- Uptown Villa Apartments· 55,750 sq ft · score 100 (A)
- 161 W Stroube St· 55,744 sq ft · score 100 (A)
- Mcinnis Park· 55,728 sq ft · score 100 (A)
- 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 Windfaire Apartments's energy grade?
Windfaire Apartments scores 100 out of 100 on ENERGY STAR — band A, high performer (85–100) — in its 2024 California disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Windfaire Apartments use?
Its 2024 site energy-use intensity was 19.0 kBtu/ft² across 55,767 sq ft, including 284,781 kWh of electricity.
What are Windfaire Apartments's carbon emissions?
Windfaire Apartments reported 69 tCO₂e of greenhouse-gas emissions (1.2 kgCO₂e/ft²) for 2024.
Where is Windfaire Apartments?
Windfaire Apartments is at 11047 Otsego Street, Los Angeles, in Los Angeles, California 91601. Its coordinates are 34.16330, -118.37240 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is Windfaire Apartments and when was it built?
Windfaire Apartments has 55,767 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1991 as its year built. It is classed as multifamily housing.
Is Windfaire Apartments 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, “Windfaire Apartments, Los Angeles, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/windfaire-apartments-47949742 (data as of July 9, 2026).