Mt. Eden - Building C
Manufacturing/Industrial Plant in California, CA · 25841 Industrial Boulevard, Hayward · 94545
At a glance
Mt. Eden - Building C is a 73,920-square-foot manufacturing/industrial plant at 25841 Industrial Boulevard, Hayward in Hayward, California, built in 1998. In its 2024 California benchmarking disclosure it reported a site energy-use intensity of 91.9 kBtu/ft² and 434 tCO₂e of greenhouse-gas emissions.
AB 802 (Public Resources Code §25402.10) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 91.9 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 434 tCO₂e |
| GHG intensity | 5.9 kgCO₂e/ft² |
| Electricity | 1,504,554 kWh |
| Natural gas | 17,487 therms |
| Gross floor area | 73,920 sq ft |
| Source record | california:4054378:2024 |
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
- 25841 Industrial Boulevard, Hayward
- City
- California
- State
- California
- ZIP
- 94545
- Coordinates
- 37.63372, -122.11366
Within ~1 km
Nearby benchmarked buildings
- The Duttonscore 87
Multifamily Housing · 457,218 sq ft
- Mt. Eden Business Park (Epl)score —
Other · 369,986 sq ft
- Bay Center Business Parkscore —
Non-Refrigerated Warehouse · 272,479 sq ft
- 25858 Clawiter Roadscore —
Non-Refrigerated Warehouse · 194,380 sq ft
- 25001 Industrial Boulevardscore 13
Distribution Center · 190,286 sq ft
- 26464 Corporate Avescore —
Data Center · 131,896 sq ft
See also: most efficient in California · biggest emitters
How does Mt. Eden - Building C compare with other manufacturing/industrial plant buildings in California?
The latest disclosures cover 982 manufacturing/industrial plant buildings in California, out of 40,029 buildings citywide. Its site EUI of 91.9 kBtu/ft² is about 28% below the average of 127.7 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 5.9 kgCO₂e/ft² is about 21% below the group average of 7.4 kgCO₂e/ft².
At 73,920 sq ft, it is about half of the average floor area of 135,409 sq ft for those buildings. It was built in 1998, 16 years later than the group's average year built (1982). Across all 24 jurisdictions BuildingCensus covers, the 2,372 manufacturing/industrial plant buildings average an ENERGY STAR score of 67 and a site EUI of 126.3 kBtu/ft².
What does a site EUI of 91.9 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. Mt. Eden - Building C's 91.9 kBtu/ft² across 73,920 sq ft works out to about 6.8 billion Btu (1,991 MWh-equivalent) in 2024. The disclosure also reports 1,504,554 kWh of electricity and 17,487 therms of natural gas for the year.
Which law requires Mt. Eden - Building C to report its energy use?
Mt. Eden - Building C 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:4054378:2024). 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 manufacturing/industrial plant buildings in California
- Prolacta Duarte Facility· 73,809 sq ft · EUI 114.0 kBtu/ft²
- Vasona Technology Park - 250 - 254 E Hacienda Ave· 73,754 sq ft · EUI 67.0 kBtu/ft²
- Sanger Boats Inc.· 73,643 sq ft · EUI 12.7 kBtu/ft²
- 615 Kansas Ave, Modesto, Ca 95351, Usa· 73,640 sq ft · EUI 4.9 kBtu/ft²
- Decra Metal Roofing· 73,600 sq ft · EUI 196.5 kBtu/ft²
- Thornmint· 73,500 sq ft · EUI 211.4 kBtu/ft²
- Manufacturing/Industrial Plant buildings in California· 982 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 Mt. Eden - Building C's energy grade?
Mt. Eden - Building C did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 91.9 kBtu/ft².
How much energy does Mt. Eden - Building C use?
Its 2024 site energy-use intensity was 91.9 kBtu/ft² across 73,920 sq ft, including 1,504,554 kWh of electricity and 17,487 therms of natural gas.
What are Mt. Eden - Building C's carbon emissions?
Mt. Eden - Building C reported 434 tCO₂e of greenhouse-gas emissions (5.9 kgCO₂e/ft²) for 2024.
Where is Mt. Eden - Building C?
Mt. Eden - Building C is at 25841 Industrial Boulevard, Hayward, in Hayward, California 94545. Its coordinates are 37.63372, -122.11366 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is Mt. Eden - Building C and when was it built?
Mt. Eden - Building C has 73,920 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1998 as its year built. It is classed as manufacturing/industrial plant.
Is Mt. Eden - Building C 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, “Mt. Eden - Building C, Hayward, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/mt-eden-building-c-e01236dc (data as of July 9, 2026).