Ontario Mills Industrial Portfolio 5642
Distribution Center in California, CA · 5642 Ontario Mills Parkway, Ontario · 91764
At a glance
Ontario Mills Industrial Portfolio 5642 is a 219,613-square-foot distribution center at 5642 Ontario Mills Parkway, Ontario in Ontario, California, built in 2014. In its 2024 California benchmarking disclosure it reported an ENERGY STAR score of 97 out of 100 (grade A), a site energy-use intensity of 3.2 kBtu/ft² and 47 tCO₂e of greenhouse-gas emissions. That score is higher than 84% of the 2,485 scored distribution center buildings in California.
AB 802 (Public Resources Code §25402.10) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 97 (band A) |
| Site EUI | 3.2 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 47 tCO₂e |
| GHG intensity | 0.2 kgCO₂e/ft² |
| Electricity | 208,402 kWh |
| Gross floor area | 219,613 sq ft |
| Source record | california:27591837:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 97 | +6 | 3.2 kBtu/ft² | 47 tCO₂e |
| 2023 | 91 | -1 | 5.4 kBtu/ft² | 85 tCO₂e |
| 2022 | 92 | 5.0 kBtu/ft² | 76 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
- 5642 Ontario Mills Parkway, Ontario
- City
- California
- State
- California
- ZIP
- 91764
- Coordinates
- 34.06866, -117.52867
Within ~1 km
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See also: most efficient in California · biggest emitters
How does Ontario Mills Industrial Portfolio 5642 compare with other distribution center buildings in California?
The latest disclosures cover 3,121 distribution center buildings in California, out of 40,029 buildings citywide. Ontario Mills Industrial Portfolio 5642's ENERGY STAR score of 97 compares with an average of 67 across the 2,485 that report a score; it scores higher than 84% of them and lower than 14%. Its site EUI of 3.2 kBtu/ft² is about 84% below the average of 19.8 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 0.2 kgCO₂e/ft² is about 84% below the group average of 1.3 kgCO₂e/ft².
At 219,613 sq ft, it is roughly in line with the average floor area of 238,298 sq ft for those buildings. It was built in 2014, 20 years later than the group's average year built (1994). Across all 24 jurisdictions BuildingCensus covers, the 4,082 distribution center buildings average an ENERGY STAR score of 65 and a site EUI of 24.2 kBtu/ft².
How has Ontario Mills Industrial Portfolio 5642's energy performance changed over time?
BuildingCensus holds 3 California disclosures for Ontario Mills Industrial Portfolio 5642, covering report years 2022–2024. Its ENERGY STAR score went from 92 in 2022 to 97 in 2024 (+5 points). Site EUI moved from 5.0 kBtu/ft² (2022) to 3.2 kBtu/ft² (2024), a 36% decrease. Reported emissions went from 76 tCO₂e to 47 tCO₂e over the same span (down 38%).
What does an ENERGY STAR score of 97 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 97 means the building performs better than about 97% of its national peers. BuildingCensus bands the score into report-card grades; 97 falls in band A — high performer (85–100). Scores of 75 or higher meet the threshold for ENERGY STAR certification; certification itself is a separate, verified application that the disclosure does not record. 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. Ontario Mills Industrial Portfolio 5642's 3.2 kBtu/ft² across 219,613 sq ft works out to about 0.7 billion Btu (206 MWh-equivalent) in 2024. The disclosure also reports 208,402 kWh of electricity for the year.
Which law requires Ontario Mills Industrial Portfolio 5642 to report its energy use?
Ontario Mills Industrial Portfolio 5642 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:27591837:2024). 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.
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Frequently asked questions
What is Ontario Mills Industrial Portfolio 5642's energy grade?
Ontario Mills Industrial Portfolio 5642 scores 97 out of 100 on ENERGY STAR — band A, high performer (85–100) — in its 2024 California disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Ontario Mills Industrial Portfolio 5642 use?
Its 2024 site energy-use intensity was 3.2 kBtu/ft² across 219,613 sq ft, including 208,402 kWh of electricity.
What are Ontario Mills Industrial Portfolio 5642's carbon emissions?
Ontario Mills Industrial Portfolio 5642 reported 47 tCO₂e of greenhouse-gas emissions (0.2 kgCO₂e/ft²) for 2024.
Where is Ontario Mills Industrial Portfolio 5642?
Ontario Mills Industrial Portfolio 5642 is at 5642 Ontario Mills Parkway, Ontario, in Ontario, California 91764. Its coordinates are 34.06866, -117.52867 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is Ontario Mills Industrial Portfolio 5642 and when was it built?
Ontario Mills Industrial Portfolio 5642 has 219,613 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2014 as its year built. It is classed as distribution center.
Is Ontario Mills Industrial Portfolio 5642 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, “Ontario Mills Industrial Portfolio 5642, Ontario, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/ontario-mills-industrial-portfolio-5642-1e1b84b3 (data as of July 9, 2026).