21601 Erwin Street (Rw010)
Multifamily Housing in California, CA · 21601 Erwin St, Woodland Hills · 91367
At a glance
21601 Erwin Street (Rw010) is a 219,013-square-foot multifamily housing building at 21601 Erwin St, Woodland Hills in Woodland Hills, California, built in 1978. In its 2021 California benchmarking disclosure it reported an ENERGY STAR score of 70 out of 100 (grade B), a site energy-use intensity of 48.3 kBtu/ft² and 584 tCO₂e of greenhouse-gas emissions. That score is higher than 22% of the 9,612 scored multifamily housing buildings in California.
AB 802 (Public Resources Code §25402.10) · reporting year 2021
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 70 (band B) |
| Site EUI | 48.3 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 584 tCO₂e |
| GHG intensity | 2.7 kgCO₂e/ft² |
| Electricity | 1,439,412 kWh |
| Natural gas | 53,995 therms |
| Gross floor area | 219,013 sq ft |
| Source record | california:17384128:2021 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2021latest | 70 | +1 | 48.3 kBtu/ft² | 584 tCO₂e |
| 2020 | 69 | 49.9 kBtu/ft² | 602 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
- 21601 Erwin St, Woodland Hills
- City
- California
- State
- California
- ZIP
- 91367
- Coordinates
- 34.18285, -118.59970
Within ~1 km
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- The Motifscore 95
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See also: most efficient in California · biggest emitters
How does 21601 Erwin Street (Rw010) 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. 21601 Erwin Street (Rw010)'s ENERGY STAR score of 70 compares with an average of 82 across the 9,612 that report a score; it scores higher than 22% of them and lower than 77%. Its site EUI of 48.3 kBtu/ft² is about 40% 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 2.7 kgCO₂e/ft² is about 29% above the group average of 2.1 kgCO₂e/ft².
At 219,013 sq ft, it is about 45% above the average floor area of 150,919 sq ft for those buildings. It was built in 1978, 10 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 21601 Erwin Street (Rw010)'s energy performance changed over time?
BuildingCensus holds 2 California disclosures for 21601 Erwin Street (Rw010), covering report years 2020–2021. Its ENERGY STAR score went from 69 in 2020 to 70 in 2021 (+1 points). Site EUI moved from 49.9 kBtu/ft² (2020) to 48.3 kBtu/ft² (2021), a 3% decrease. Reported emissions went from 602 tCO₂e to 584 tCO₂e over the same span (down 3%).
What does an ENERGY STAR score of 70 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 70 means the building performs better than about 70% of its national peers. BuildingCensus bands the score into report-card grades; 70 falls in band B — above median (70–84). It sits 5 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. 21601 Erwin Street (Rw010)'s 48.3 kBtu/ft² across 219,013 sq ft works out to about 10.6 billion Btu (3,100 MWh-equivalent) in 2021. The disclosure also reports 1,439,412 kWh of electricity and 53,995 therms of natural gas for the year.
Which law requires 21601 Erwin Street (Rw010) to report its energy use?
21601 Erwin Street (Rw010) 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 2021 disclosure (source record california:17384128:2021). 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
- Chase Knolls (Cs94;Chase)· 219,010 sq ft · score 82 (B)
- Wilshire Valencia· 219,000 sq ft · score 80 (B)
- Dolphin Marina-Bldg M & R-Gk Mgt· 219,000 sq ft · score 46 (D)
- Radian (Ra040)· 218,963 sq ft · score 63 (C)
- Commons @ Oak Grove - 53 Carol· 218,960 sq ft · score 100 (A)
- Riva· 218,884 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 21601 Erwin Street (Rw010)'s energy grade?
21601 Erwin Street (Rw010) scores 70 out of 100 on ENERGY STAR — band B, above median (70–84) — in its 2021 California disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 21601 Erwin Street (Rw010) use?
Its 2021 site energy-use intensity was 48.3 kBtu/ft² across 219,013 sq ft, including 1,439,412 kWh of electricity and 53,995 therms of natural gas.
What are 21601 Erwin Street (Rw010)'s carbon emissions?
21601 Erwin Street (Rw010) reported 584 tCO₂e of greenhouse-gas emissions (2.7 kgCO₂e/ft²) for 2021.
Where is 21601 Erwin Street (Rw010)?
21601 Erwin Street (Rw010) is at 21601 Erwin St, Woodland Hills, in Woodland Hills, California 91367. Its coordinates are 34.18285, -118.59970 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is 21601 Erwin Street (Rw010) and when was it built?
21601 Erwin Street (Rw010) has 219,013 sq ft of gross floor area, as reported in its 2021 disclosure. The disclosure lists 1978 as its year built. It is classed as multifamily housing.
Is 21601 Erwin Street (Rw010) covered by AB 802 (Public Resources Code §25402.10)?
Yes — it appears in the 2021 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, “21601 Erwin Street (Rw010), Woodland Hills, California — 2021 benchmarking disclosure”, https://buildingcensus.com/buildings/california/21601-erwin-street-rw010-44b6823e (data as of July 9, 2026).