28355 Witherspoon Parkway, Bldg D
Refrigerated Warehouse in California, CA · 28355 Witherspoon Parkway, Valencia · 91355
At a glance
28355 Witherspoon Parkway, Bldg D is a 229,450-square-foot refrigerated warehouse at 28355 Witherspoon Parkway, Valencia in Valencia, California, built in 1999. In its 2022 California benchmarking disclosure it reported an ENERGY STAR score of 22 out of 100 (grade D), a site energy-use intensity of 54.9 kBtu/ft² and 693 tCO₂e of greenhouse-gas emissions. That score is higher than 19% of the 239 scored refrigerated warehouse buildings in California.
AB 802 (Public Resources Code §25402.10) · reporting year 2022
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 22 (band D) |
| Site EUI | 54.9 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 693 tCO₂e |
| GHG intensity | 3.0 kgCO₂e/ft² |
| Electricity | 1,600,665 kWh |
| Natural gas | 59,905 therms |
| Gross floor area | 229,450 sq ft |
| Source record | california:1562583:2022 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2022latest | 22 | +2 | 54.9 kBtu/ft² | 693 tCO₂e |
| 2021 | 20 | -9 | 51.6 kBtu/ft² | 636 tCO₂e |
| 2020 | 29 | +12 | 49.4 kBtu/ft² | 617 tCO₂e |
| 2019 | 17 | +8 | 52.1 kBtu/ft² | 725 tCO₂e |
| 2018 | 9 | 49.8 kBtu/ft² | 680 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
- 28355 Witherspoon Parkway, Valencia
- City
- California
- State
- California
- ZIP
- 91355
- Coordinates
- 34.44801, -118.63140
Within ~1 km
Nearby benchmarked buildings
- 28624 Witherspoon Parkwayscore 87
Distribution Center · 209,774 sq ft
Non-Refrigerated Warehouse · 189,250 sq ft
Non-Refrigerated Warehouse · 175,897 sq ft
- 28305 Livingston Avenue, Bldg Bscore 81
Non-Refrigerated Warehouse · 167,990 sq ft
- Go Valencia Owners, Llcscore 45
Distribution Center · 164,188 sq ft
Refrigerated Warehouse · 152,070 sq ft
See also: most efficient in California · biggest emitters
How does 28355 Witherspoon Parkway, Bldg D compare with other refrigerated warehouse buildings in California?
The latest disclosures cover 297 refrigerated warehouse buildings in California, out of 40,029 buildings citywide. 28355 Witherspoon Parkway, Bldg D's ENERGY STAR score of 22 compares with an average of 54 across the 239 that report a score; it scores higher than 19% of them and lower than 79%. Its site EUI of 54.9 kBtu/ft² is about 24% below the average of 71.8 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 3.0 kgCO₂e/ft² is about 35% below the group average of 4.6 kgCO₂e/ft².
At 229,450 sq ft, it is about 21% above the average floor area of 189,524 sq ft for those buildings. It was built in 1999, 8 years later than the group's average year built (1991). Across all 24 jurisdictions BuildingCensus covers, the 472 refrigerated warehouse buildings average an ENERGY STAR score of 52 and a site EUI of 76.3 kBtu/ft².
How has 28355 Witherspoon Parkway, Bldg D's energy performance changed over time?
BuildingCensus holds 5 California disclosures for 28355 Witherspoon Parkway, Bldg D, covering report years 2018–2022. Its ENERGY STAR score went from 9 in 2018 to 22 in 2022 (+13 points); its best year on file was 2020, at 29. Site EUI moved from 49.8 kBtu/ft² (2018) to 54.9 kBtu/ft² (2022), an 10% increase. Reported emissions went from 680 tCO₂e to 693 tCO₂e over the same span (up 2%).
What does an ENERGY STAR score of 22 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 22 means the building performs better than about 22% of its national peers. BuildingCensus bands the score into report-card grades; 22 falls in band D — lowest band (1–54). It sits 53 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. 28355 Witherspoon Parkway, Bldg D's 54.9 kBtu/ft² across 229,450 sq ft works out to about 12.6 billion Btu (3,692 MWh-equivalent) in 2022. The disclosure also reports 1,600,665 kWh of electricity and 59,905 therms of natural gas for the year.
Which law requires 28355 Witherspoon Parkway, Bldg D to report its energy use?
28355 Witherspoon Parkway, Bldg D 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 2022 disclosure (source record california:1562583:2022). 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 refrigerated warehouse buildings in California
- 1710 Pier B Street· 229,000 sq ft · score 25 (D)
- Kpac Cold Storage· 226,331 sq ft · score 13 (D)
- Z600218 Crocker Park 453-455 Valley Drive· 223,445 sq ft · score 31 (D)
- Cds· 220,000 sq ft · score 53 (D)
- 12Ca1B02 - 3392 Mike Daley Dr.· 218,808 sq ft · score 96 (A)
- 100336 - San Leandro· 218,635 sq ft · score 46 (D)
- Refrigerated Warehouse buildings in California· 297 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 28355 Witherspoon Parkway, Bldg D's energy grade?
28355 Witherspoon Parkway, Bldg D scores 22 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2022 California disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 28355 Witherspoon Parkway, Bldg D use?
Its 2022 site energy-use intensity was 54.9 kBtu/ft² across 229,450 sq ft, including 1,600,665 kWh of electricity and 59,905 therms of natural gas.
What are 28355 Witherspoon Parkway, Bldg D's carbon emissions?
28355 Witherspoon Parkway, Bldg D reported 693 tCO₂e of greenhouse-gas emissions (3.0 kgCO₂e/ft²) for 2022.
Where is 28355 Witherspoon Parkway, Bldg D?
28355 Witherspoon Parkway, Bldg D is at 28355 Witherspoon Parkway, Valencia, in Valencia, California 91355. Its coordinates are 34.44801, -118.63140 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is 28355 Witherspoon Parkway, Bldg D and when was it built?
28355 Witherspoon Parkway, Bldg D has 229,450 sq ft of gross floor area, as reported in its 2022 disclosure. The disclosure lists 1999 as its year built. It is classed as refrigerated warehouse.
Is 28355 Witherspoon Parkway, Bldg D covered by AB 802 (Public Resources Code §25402.10)?
Yes — it appears in the 2022 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, “28355 Witherspoon Parkway, Bldg D, Valencia, California — 2022 benchmarking disclosure”, https://buildingcensus.com/buildings/california/28355-witherspoon-parkway-bldg-d-8943f5ac (data as of July 9, 2026).