Rio Hondo College
College/University in California, CA · 3600 Workman Mill Road, Whittier · 90601
At a glance
Rio Hondo College is a 746,495-square-foot college/university building at 3600 Workman Mill Road, Whittier in Whittier, California, built in 1962. In its 2024 California benchmarking disclosure it reported a site energy-use intensity of 41.1 kBtu/ft² and 1,999 tCO₂e of greenhouse-gas emissions.
AB 802 (Public Resources Code §25402.10) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 41.1 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 1,999 tCO₂e |
| GHG intensity | 2.7 kgCO₂e/ft² |
| Electricity | 7,626,672 kWh |
| Natural gas | 51,250 therms |
| Gross floor area | 746,495 sq ft |
| Source record | california:27443409:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 41.1 kBtu/ft² | 1,999 tCO₂e | |
| 2023 | — | 37.9 kBtu/ft² | 1,914 tCO₂e | |
| 2022 | — | 81.2 kBtu/ft² | 2,420 tCO₂e | |
| 2021 | — | 68.8 kBtu/ft² | 2,087 tCO₂e | |
| 2020 | — | 76.0 kBtu/ft² | 2,176 tCO₂e | |
| 2019 | — | 100.7 kBtu/ft² | 2,762 tCO₂e | |
| 2018 | — | 111.8 kBtu/ft² | 3,280 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
- 3600 Workman Mill Road, Whittier
- City
- California
- State
- California
- ZIP
- 90601
- Coordinates
- 34.01995, -118.03187
Within ~1 km
Nearby benchmarked buildings
Non-Refrigerated Warehouse · 77,195 sq ft
See also: most efficient in California · biggest emitters
How does Rio Hondo College compare with other college/university buildings in California?
The latest disclosures cover 497 college/university buildings in California, out of 40,029 buildings citywide. Its site EUI of 41.1 kBtu/ft² is about half of the average of 79.7 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 2.7 kgCO₂e/ft² is about 44% below the group average of 4.8 kgCO₂e/ft².
At 746,495 sq ft, it is about 31% above the average floor area of 569,516 sq ft for those buildings. It was built in 1962, 6 years earlier than the group's average year built (1969). Across all 24 jurisdictions BuildingCensus covers, the 2,113 college/university buildings average an ENERGY STAR score of 68 and a site EUI of 98.7 kBtu/ft².
How has Rio Hondo College's energy performance changed over time?
BuildingCensus holds 7 California disclosures for Rio Hondo College, covering report years 2018–2024. Site EUI moved from 111.8 kBtu/ft² (2018) to 41.1 kBtu/ft² (2024), a 63% decrease. Reported emissions went from 3,280 tCO₂e to 1,999 tCO₂e over the same span (down 39%).
What does a site EUI of 41.1 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. Rio Hondo College's 41.1 kBtu/ft² across 746,495 sq ft works out to about 30.7 billion Btu (8,992 MWh-equivalent) in 2024. The disclosure also reports 7,626,672 kWh of electricity and 51,250 therms of natural gas for the year.
Which law requires Rio Hondo College to report its energy use?
Rio Hondo College 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:27443409:2024). 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 college/university buildings in California
- Fresno City College· 743,069 sq ft · EUI 69.4 kBtu/ft²
- Contra Costa Ccd- Diablo Valley College· 742,142 sq ft · EUI 79.1 kBtu/ft²
- Santa Ana College· 737,408 sq ft · EUI 59.5 kBtu/ft²
- Bakersfield College· 722,515 sq ft · EUI 61.0 kBtu/ft²
- Foothill College· 717,637 sq ft · EUI 69.8 kBtu/ft²
- Cabrillo College· 711,676 sq ft · EUI 57.9 kBtu/ft²
- College/University buildings in California· 497 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 Rio Hondo College's energy grade?
Rio Hondo College did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 41.1 kBtu/ft².
How much energy does Rio Hondo College use?
Its 2024 site energy-use intensity was 41.1 kBtu/ft² across 746,495 sq ft, including 7,626,672 kWh of electricity and 51,250 therms of natural gas.
What are Rio Hondo College's carbon emissions?
Rio Hondo College reported 1,999 tCO₂e of greenhouse-gas emissions (2.7 kgCO₂e/ft²) for 2024.
Where is Rio Hondo College?
Rio Hondo College is at 3600 Workman Mill Road, Whittier, in Whittier, California 90601. Its coordinates are 34.01995, -118.03187 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is Rio Hondo College and when was it built?
Rio Hondo College has 746,495 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1962 as its year built. It is classed as college/university.
Is Rio Hondo College 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, “Rio Hondo College, Whittier, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/rio-hondo-college-8b2aa11d (data as of July 9, 2026).