Df Kirby Center (Ab 802)
Office in California, CA · 1500 South Mcdonnell Avenue, Commerce · 90040
At a glance
Df Kirby Center (Ab 802) is a 77,794-square-foot office building at 1500 South Mcdonnell Avenue, Commerce in Commerce, California, built in 1961. In its 2023 California benchmarking disclosure it reported an ENERGY STAR score of 24 out of 100 (grade D), a site energy-use intensity of 125.5 kBtu/ft² and 629 tCO₂e of greenhouse-gas emissions. That score is higher than 7% of the 4,912 scored office buildings in California.
AB 802 (Public Resources Code §25402.10) · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 24 (band D) |
| Site EUI | 125.5 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 629 tCO₂e |
| GHG intensity | 8.1 kgCO₂e/ft² |
| Electricity | 1,772,667 kWh |
| Natural gas | 37,652 therms |
| Gross floor area | 77,794 sq ft |
| Source record | california:17978855:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | 24 | +4 | 125.5 kBtu/ft² | 629 tCO₂e |
| 2022 | 20 | -7 | 139.9 kBtu/ft² | 681 tCO₂e |
| 2021 | 27 | ±0 | 124.8 kBtu/ft² | 565 tCO₂e |
| 2020 | 27 | 131.2 kBtu/ft² | 568 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
- 1500 South Mcdonnell Avenue, Commerce
- City
- California
- State
- California
- ZIP
- 90040
- Coordinates
- 34.01225, -118.16991
Within ~1 km
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See also: most efficient in California · biggest emitters
How does Df Kirby Center (Ab 802) compare with other office buildings in California?
The latest disclosures cover 6,214 office buildings in California, out of 40,029 buildings citywide. Df Kirby Center (Ab 802)'s ENERGY STAR score of 24 compares with an average of 75 across the 4,912 that report a score; it scores higher than 7% of them and lower than 92%. Its site EUI of 125.5 kBtu/ft² is about 123% above the average of 56.4 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 8.1 kgCO₂e/ft² is about 125% above the group average of 3.6 kgCO₂e/ft².
At 77,794 sq ft, it is about half of the average floor area of 151,937 sq ft for those buildings. It was built in 1961, 24 years earlier than the group's average year built (1985). Across all 24 jurisdictions BuildingCensus covers, the 15,264 office buildings average an ENERGY STAR score of 73 and a site EUI of 59.3 kBtu/ft².
How has Df Kirby Center (Ab 802)'s energy performance changed over time?
BuildingCensus holds 4 California disclosures for Df Kirby Center (Ab 802), covering report years 2020–2023. Its ENERGY STAR score went from 27 in 2020 to 24 in 2023 (-3 points); its best year on file was 2020, at 27. Site EUI moved from 131.2 kBtu/ft² (2020) to 125.5 kBtu/ft² (2023), a 4% decrease. Reported emissions went from 568 tCO₂e to 629 tCO₂e over the same span (up 11%).
What does an ENERGY STAR score of 24 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 24 means the building performs better than about 24% of its national peers. BuildingCensus bands the score into report-card grades; 24 falls in band D — lowest band (1–54). It sits 51 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. Df Kirby Center (Ab 802)'s 125.5 kBtu/ft² across 77,794 sq ft works out to about 9.8 billion Btu (2,861 MWh-equivalent) in 2023. The disclosure also reports 1,772,667 kWh of electricity and 37,652 therms of natural gas for the year.
Which law requires Df Kirby Center (Ab 802) to report its energy use?
Df Kirby Center (Ab 802) 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 2023 disclosure (source record california:17978855:2023). 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 office buildings in California
- 21700 Gateway Corporate Center· 77,731 sq ft · score 94 (A)
- Ph - Environmental Health Headquarters (Ab 802)· 77,700 sq ft · score 58 (C)
- 3307 Hillview Avenue· 77,661 sq ft · EUI 73.1 kBtu/ft²
- 12 Mf (Batavia Maintenance Station)· 77,653 sq ft · score 99 (A)
- 1450 Page Mill Road· 77,634 sq ft · EUI 31.2 kBtu/ft²
- 2875 Michelle· 77,625 sq ft · score 62 (C)
- Office buildings in California· 6,214 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 Df Kirby Center (Ab 802)'s energy grade?
Df Kirby Center (Ab 802) scores 24 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2023 California disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Df Kirby Center (Ab 802) use?
Its 2023 site energy-use intensity was 125.5 kBtu/ft² across 77,794 sq ft, including 1,772,667 kWh of electricity and 37,652 therms of natural gas.
What are Df Kirby Center (Ab 802)'s carbon emissions?
Df Kirby Center (Ab 802) reported 629 tCO₂e of greenhouse-gas emissions (8.1 kgCO₂e/ft²) for 2023.
Where is Df Kirby Center (Ab 802)?
Df Kirby Center (Ab 802) is at 1500 South Mcdonnell Avenue, Commerce, in Commerce, California 90040. Its coordinates are 34.01225, -118.16991 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is Df Kirby Center (Ab 802) and when was it built?
Df Kirby Center (Ab 802) has 77,794 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1961 as its year built. It is classed as office.
Is Df Kirby Center (Ab 802) covered by AB 802 (Public Resources Code §25402.10)?
Yes — it appears in the 2023 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, “Df Kirby Center (Ab 802), Commerce, California — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/california/df-kirby-center-ab-802-069bfaec (data as of July 9, 2026).