12340 4Th Street (Rexford Ab 802)
Non-Refrigerated Warehouse in California, CA · 12340 Fourth Street, Rancho Cucamonga · 91730
At a glance
12340 4Th Street (Rexford Ab 802) is a 135,000-square-foot non-refrigerated warehouse at 12340 Fourth Street, Rancho Cucamonga in Rancho Cucamonga, California, built in 1997. In its 2024 California benchmarking disclosure it reported an ENERGY STAR score of 62 out of 100 (grade C), a site energy-use intensity of 5.7 kBtu/ft² and 51 tCO₂e of greenhouse-gas emissions. That score is higher than 32% of the 2,227 scored non-refrigerated warehouse buildings in California.
AB 802 (Public Resources Code §25402.10) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 62 (band C) |
| Site EUI | 5.7 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 51 tCO₂e |
| GHG intensity | 0.4 kgCO₂e/ft² |
| Electricity | 226,529 kWh |
| Gross floor area | 135,000 sq ft |
| Source record | california:10900736:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 62 | -5 | 5.7 kBtu/ft² | 51 tCO₂e |
| 2023 | 67 | -5 | 5.2 kBtu/ft² | 50 tCO₂e |
| 2022 | 72 | ±0 | 4.6 kBtu/ft² | 43 tCO₂e |
| 2021 | 72 | +1 | 4.6 kBtu/ft² | 38 tCO₂e |
| 2020 | 71 | ±0 | 4.7 kBtu/ft² | 42 tCO₂e |
| 2019 | 71 | 4.7 kBtu/ft² | 45 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
- 12340 Fourth Street, Rancho Cucamonga
- City
- California
- State
- California
- ZIP
- 91730
- Coordinates
- 34.07765, -117.53643
Within ~1 km
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See also: most efficient in California · biggest emitters
How does 12340 4Th Street (Rexford Ab 802) compare with other non-refrigerated warehouse buildings in California?
The latest disclosures cover 2,867 non-refrigerated warehouse buildings in California, out of 40,029 buildings citywide. 12340 4Th Street (Rexford Ab 802)'s ENERGY STAR score of 62 compares with an average of 68 across the 2,227 that report a score; it scores higher than 32% of them and lower than 67%. Its site EUI of 5.7 kBtu/ft² is about 74% below the average of 21.7 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 0.4 kgCO₂e/ft² is about 73% below the group average of 1.4 kgCO₂e/ft².
At 135,000 sq ft, it is about 22% below the average floor area of 173,929 sq ft for those buildings. It was built in 1997, 9 years later than the group's average year built (1988). Across all 24 jurisdictions BuildingCensus covers, the 4,723 non-refrigerated warehouse buildings average an ENERGY STAR score of 66 and a site EUI of 26.0 kBtu/ft².
How has 12340 4Th Street (Rexford Ab 802)'s energy performance changed over time?
BuildingCensus holds 6 California disclosures for 12340 4Th Street (Rexford Ab 802), covering report years 2019–2024. Its ENERGY STAR score went from 71 in 2019 to 62 in 2024 (-9 points); its best year on file was 2021, at 72. Site EUI moved from 4.7 kBtu/ft² (2019) to 5.7 kBtu/ft² (2024), an 21% increase. Reported emissions went from 45 tCO₂e to 51 tCO₂e over the same span (up 15%).
What does an ENERGY STAR score of 62 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 62 means the building performs better than about 62% of its national peers. BuildingCensus bands the score into report-card grades; 62 falls in band C — below median (55–69). It sits 13 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. 12340 4Th Street (Rexford Ab 802)'s 5.7 kBtu/ft² across 135,000 sq ft works out to about 0.8 billion Btu (226 MWh-equivalent) in 2024. The disclosure also reports 226,529 kWh of electricity for the year.
Which law requires 12340 4Th Street (Rexford Ab 802) to report its energy use?
12340 4Th Street (Rexford 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 2024 disclosure (source record california:10900736:2024). 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 non-refrigerated warehouse buildings in California
- 13225 Alondra Blvd· 134,863 sq ft · score 59 (C)
- 06Ca3M03 - 6060 Business Center Ct.· 134,776 sq ft · score 86 (A)
- San Gabriel Valley Airport Hangars A-E (Ab 802)· 134,709 sq ft
- 2230-2242 Davis Court· 134,391 sq ft · score 19 (D)
- Pomerado Leasing No. 1 - 42· 134,348 sq ft · EUI 0.5 kBtu/ft²
- Br40905-Redbud Logistics Center· 134,256 sq ft · score 100 (A)
- Non-Refrigerated Warehouse buildings in California· 2,867 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 12340 4Th Street (Rexford Ab 802)'s energy grade?
12340 4Th Street (Rexford Ab 802) scores 62 out of 100 on ENERGY STAR — band C, below median (55–69) — in its 2024 California disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 12340 4Th Street (Rexford Ab 802) use?
Its 2024 site energy-use intensity was 5.7 kBtu/ft² across 135,000 sq ft, including 226,529 kWh of electricity.
What are 12340 4Th Street (Rexford Ab 802)'s carbon emissions?
12340 4Th Street (Rexford Ab 802) reported 51 tCO₂e of greenhouse-gas emissions (0.4 kgCO₂e/ft²) for 2024.
Where is 12340 4Th Street (Rexford Ab 802)?
12340 4Th Street (Rexford Ab 802) is at 12340 Fourth Street, Rancho Cucamonga, in Rancho Cucamonga, California 91730. Its coordinates are 34.07765, -117.53643 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is 12340 4Th Street (Rexford Ab 802) and when was it built?
12340 4Th Street (Rexford Ab 802) has 135,000 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1997 as its year built. It is classed as non-refrigerated warehouse.
Is 12340 4Th Street (Rexford Ab 802) 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, “12340 4Th Street (Rexford Ab 802), Rancho Cucamonga, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/12340-4th-street-rexford-ab-802-f1503732 (data as of July 9, 2026).