Las Flores Campus
K-12 School in California, CA · 25862 Antonio Pkwy., Rancho Santa Margarita · 92688
At a glance
Las Flores Campus is a 128,729-square-foot K-12 school at 25862 Antonio Pkwy., Rancho Santa Margarita in Rancho Santa Margarita, California, built in 1910. In its 2024 California benchmarking disclosure it reported a site energy-use intensity of 27.1 kBtu/ft² and 234 tCO₂e of greenhouse-gas emissions.
AB 802 (Public Resources Code §25402.10) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 27.1 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 234 tCO₂e |
| GHG intensity | 1.8 kgCO₂e/ft² |
| Electricity | 893,366 kWh |
| Natural gas | 5,887 therms |
| Gross floor area | 128,729 sq ft |
| Source record | california:14306470:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 27.1 kBtu/ft² | 234 tCO₂e | |
| 2023 | — | 28.4 kBtu/ft² | 248 tCO₂e | |
| 2022 | — | 25.2 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
- 25862 Antonio Pkwy., Rancho Santa Margarita
- City
- California
- State
- California
- ZIP
- 92688
- Coordinates
- 33.58574, -117.62907
Within ~1 km
Nearby benchmarked buildings
No other benchmarked buildings within ~1 km.
See also: most efficient in California · biggest emitters
How does Las Flores Campus compare with other K-12 school buildings in California?
The latest disclosures cover 2,128 K-12 school buildings in California, out of 40,029 buildings citywide. Its site EUI of 27.1 kBtu/ft² is about 22% below the average of 34.6 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 1.8 kgCO₂e/ft² is roughly in line with the group average of 2.0 kgCO₂e/ft².
At 128,729 sq ft, it is roughly in line with the average floor area of 129,123 sq ft for those buildings. It was built in 1910, 66 years earlier than the group's average year built (1976). Across all 24 jurisdictions BuildingCensus covers, the 6,548 K-12 school buildings average an ENERGY STAR score of 64 and a site EUI of 52.7 kBtu/ft².
How has Las Flores Campus's energy performance changed over time?
BuildingCensus holds 3 California disclosures for Las Flores Campus, covering report years 2022–2024. Site EUI moved from 25.2 kBtu/ft² (2022) to 27.1 kBtu/ft² (2024), an 8% increase. Reported emissions went from 211 tCO₂e to 234 tCO₂e over the same span (up 10%).
What does a site EUI of 27.1 kBtu/ft² mean?
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. Las Flores Campus's 27.1 kBtu/ft² across 128,729 sq ft works out to about 3.5 billion Btu (1,022 MWh-equivalent) in 2024. The disclosure also reports 893,366 kWh of electricity and 5,887 therms of natural gas for the year.
Which law requires Las Flores Campus to report its energy use?
Las Flores Campus 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:14306470:2024). 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 K-12 school buildings in California
- Porterville Education Complex· 128,503 sq ft · score 92 (A)
- Carmel High School· 128,000 sq ft · score 3 (D)
- Serrano Intermediate· 127,159 sq ft · score 73 (B)
- Fern Bacon· 126,742 sq ft · score 69 (C)
- El Capitan Middle School And Mckinley Elementary School Complex· 126,622 sq ft · score 96 (A)
- Cunha Intermediate School· 126,455 sq ft · score 96 (A)
- K-12 School buildings in California· 2,128 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 Las Flores Campus's energy grade?
Las Flores Campus did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 27.1 kBtu/ft².
How much energy does Las Flores Campus use?
Its 2024 site energy-use intensity was 27.1 kBtu/ft² across 128,729 sq ft, including 893,366 kWh of electricity and 5,887 therms of natural gas.
What are Las Flores Campus's carbon emissions?
Las Flores Campus reported 234 tCO₂e of greenhouse-gas emissions (1.8 kgCO₂e/ft²) for 2024.
Where is Las Flores Campus?
Las Flores Campus is at 25862 Antonio Pkwy., Rancho Santa Margarita, in Rancho Santa Margarita, California 92688. Its coordinates are 33.58574, -117.62907 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is Las Flores Campus and when was it built?
Las Flores Campus has 128,729 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1910 as its year built. It is classed as K-12 school.
Is Las Flores Campus 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, “Las Flores Campus, Rancho Santa Margarita, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/las-flores-campus-db295114 (data as of July 9, 2026).