BuildingCensus
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West Winton Ii - 2263 National

Non-Refrigerated Warehouse in California, CA · 2263 National Avenue, Hayward · 94545

At a glance

West Winton Ii - 2263 National is a 88,469-square-foot non-refrigerated warehouse at 2263 National Avenue, Hayward in Hayward, California, built in 1985. In its 2024 California benchmarking disclosure it reported a site energy-use intensity of 35.0 kBtu/ft² and 185 tCO₂e of greenhouse-gas emissions.

ENERGY STAR score
—
not reported · 2024
Site EUI
35.0
kBtu/ft²
GHG emissions
185
tCO₂e
GHG intensity
2.1
kgCO₂e/ft²
Floor area
88,469
sq ft
Year built
1985
vintage
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85–10070–8455–691–54
This entry + 6 nearby

AB 802 (Public Resources Code §25402.10) · reporting year 2024

Benchmarking record

FieldValue
ENERGY STAR score—
Site EUI35.0 kBtu/ft²
Source EUI—
GHG emissions185 tCO₂e
GHG intensity2.1 kgCO₂e/ft²
Electricity590,898 kWh
Natural gas9,648 therms
Gross floor area88,469 sq ft
Source recordcalifornia:3095678:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest—35.0 kBtu/ft²185 tCO₂e
20237-237.8 kBtu/ft²219 tCO₂e
20229-542.5 kBtu/ft²245 tCO₂e
20211431.3 kBtu/ft²149 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.

Program details →

Ownership

No owning organisation shown. Names of private individuals in the disclosure are not published here.

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Location

Address
2263 National Avenue, Hayward
State
California
ZIP
94545
Coordinates
37.64944, -122.13007

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in California · biggest emitters

How does West Winton Ii - 2263 National 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. Its site EUI of 35.0 kBtu/ft² is about 61% above the average of 21.7 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 2.1 kgCO₂e/ft² is about 49% above the group average of 1.4 kgCO₂e/ft².

At 88,469 sq ft, it is about half of the average floor area of 173,929 sq ft for those buildings. Its 1985 construction date is close to 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 West Winton Ii - 2263 National's energy performance changed over time?

BuildingCensus holds 4 California disclosures for West Winton Ii - 2263 National, covering report years 2021–2024. Its ENERGY STAR score went from 14 in 2021 to 7 in 2023 (-7 points); its best year on file was 2021, at 14. Site EUI moved from 31.3 kBtu/ft² (2021) to 35.0 kBtu/ft² (2024), an 12% increase. Reported emissions went from 149 tCO₂e to 185 tCO₂e over the same span (up 24%).

What does a site EUI of 35.0 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. West Winton Ii - 2263 National's 35.0 kBtu/ft² across 88,469 sq ft works out to about 3.1 billion Btu (907 MWh-equivalent) in 2024. The disclosure also reports 590,898 kWh of electricity and 9,648 therms of natural gas for the year.

Which law requires West Winton Ii - 2263 National to report its energy use?

West Winton Ii - 2263 National 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:3095678:2024). 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

Frequently asked questions

What is West Winton Ii - 2263 National's energy grade?

West Winton Ii - 2263 National did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 35.0 kBtu/ft².

How much energy does West Winton Ii - 2263 National use?

Its 2024 site energy-use intensity was 35.0 kBtu/ft² across 88,469 sq ft, including 590,898 kWh of electricity and 9,648 therms of natural gas.

What are West Winton Ii - 2263 National's carbon emissions?

West Winton Ii - 2263 National reported 185 tCO₂e of greenhouse-gas emissions (2.1 kgCO₂e/ft²) for 2024.

Where is West Winton Ii - 2263 National?

West Winton Ii - 2263 National is at 2263 National Avenue, Hayward, in Hayward, California 94545. Its coordinates are 37.64944, -122.13007 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.

How big is West Winton Ii - 2263 National and when was it built?

West Winton Ii - 2263 National has 88,469 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1985 as its year built. It is classed as non-refrigerated warehouse.

Is West Winton Ii - 2263 National 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, “West Winton Ii - 2263 National, Hayward, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/west-winton-ii-2263-national-5d5e1110 (data as of July 9, 2026).