23382 Mill Creek Drive - Ab802
Office in California, CA · 23382 Mill Creek Drive, Laguna Hills · 92653
At a glance
23382 Mill Creek Drive - Ab802 is a 50,457-square-foot office building at 23382 Mill Creek Drive, Laguna Hills in Laguna Hills, California, built in 1989. In its 2024 California benchmarking disclosure it reported an ENERGY STAR score of 27 out of 100 (grade D), a site energy-use intensity of 98.2 kBtu/ft² and 288 tCO₂e of greenhouse-gas emissions. That score is higher than 8% of the 4,912 scored office buildings in California.
AB 802 (Public Resources Code §25402.10) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 27 (band D) |
| Site EUI | 98.2 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 288 tCO₂e |
| GHG intensity | 5.7 kgCO₂e/ft² |
| Electricity | 645,714 kWh |
| Natural gas | 26,623 therms |
| Gross floor area | 50,457 sq ft |
| Source record | california:34349869:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 27 | -14 | 98.2 kBtu/ft² | 288 tCO₂e |
| 2023 | 41 | -13 | 74.1 kBtu/ft² | 235 tCO₂e |
| 2022 | 54 | 66.7 kBtu/ft² | 211 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
- 23382 Mill Creek Drive, Laguna Hills
- City
- California
- State
- California
- ZIP
- 92653
- Coordinates
- 33.62344, -117.73358
Within ~1 km
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See also: most efficient in California · biggest emitters
How does 23382 Mill Creek Drive - Ab802 compare with other office buildings in California?
The latest disclosures cover 6,214 office buildings in California, out of 40,029 buildings citywide. 23382 Mill Creek Drive - Ab802's ENERGY STAR score of 27 compares with an average of 75 across the 4,912 that report a score; it scores higher than 8% of them and lower than 91%. Its site EUI of 98.2 kBtu/ft² is about 74% 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 5.7 kgCO₂e/ft² is about 58% above the group average of 3.6 kgCO₂e/ft².
At 50,457 sq ft, it is about 67% below the average floor area of 151,937 sq ft for those buildings. It was built in 1989, 4 years later 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 23382 Mill Creek Drive - Ab802's energy performance changed over time?
BuildingCensus holds 3 California disclosures for 23382 Mill Creek Drive - Ab802, covering report years 2022–2024. Its ENERGY STAR score went from 54 in 2022 to 27 in 2024 (-27 points); its best year on file was 2022, at 54. Site EUI moved from 66.7 kBtu/ft² (2022) to 98.2 kBtu/ft² (2024), an 47% increase. Reported emissions went from 211 tCO₂e to 288 tCO₂e over the same span (up 36%).
What does an ENERGY STAR score of 27 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 27 means the building performs better than about 27% of its national peers. BuildingCensus bands the score into report-card grades; 27 falls in band D — lowest band (1–54). It sits 48 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. 23382 Mill Creek Drive - Ab802's 98.2 kBtu/ft² across 50,457 sq ft works out to about 5 billion Btu (1,452 MWh-equivalent) in 2024. The disclosure also reports 645,714 kWh of electricity and 26,623 therms of natural gas for the year.
Which law requires 23382 Mill Creek Drive - Ab802 to report its energy use?
23382 Mill Creek Drive - Ab802 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:34349869:2024). 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 office buildings in California
- Silicon Valley R&D - 6385 - 6387 San Ignacio Ave· 50,412 sq ft · score 80 (B)
- B-2· 50,400 sq ft · score 29 (D)
- Pmi - 642 Harrison Street· 50,393 sq ft · score 34 (D)
- 100 S Anaheim· 50,384 sq ft · score 46 (D)
- 12760 East Florence· 50,379 sq ft · score 51 (D)
- 20401 Sw Birch· 50,366 sq ft · score 89 (A)
- 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 23382 Mill Creek Drive - Ab802's energy grade?
23382 Mill Creek Drive - Ab802 scores 27 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 23382 Mill Creek Drive - Ab802 use?
Its 2024 site energy-use intensity was 98.2 kBtu/ft² across 50,457 sq ft, including 645,714 kWh of electricity and 26,623 therms of natural gas.
What are 23382 Mill Creek Drive - Ab802's carbon emissions?
23382 Mill Creek Drive - Ab802 reported 288 tCO₂e of greenhouse-gas emissions (5.7 kgCO₂e/ft²) for 2024.
Where is 23382 Mill Creek Drive - Ab802?
23382 Mill Creek Drive - Ab802 is at 23382 Mill Creek Drive, Laguna Hills, in Laguna Hills, California 92653. Its coordinates are 33.62344, -117.73358 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is 23382 Mill Creek Drive - Ab802 and when was it built?
23382 Mill Creek Drive - Ab802 has 50,457 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1989 as its year built. It is classed as office.
Is 23382 Mill Creek Drive - Ab802 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, “23382 Mill Creek Drive - Ab802, Laguna Hills, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/23382-mill-creek-drive-ab802-5f8df7c2 (data as of July 9, 2026).