Mt. Eden - Building F
Office in California, CA · 25881 Industrial Boulevard, Hayward · 94545
At a glance
Mt. Eden - Building F is a 51,449-square-foot office building at 25881 Industrial Boulevard, Hayward in Hayward, California, built in 1999. In its 2024 California benchmarking disclosure it reported a site energy-use intensity of 161.7 kBtu/ft² and 482 tCO₂e of greenhouse-gas emissions.
AB 802 (Public Resources Code §25402.10) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 161.7 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 482 tCO₂e |
| GHG intensity | 9.4 kgCO₂e/ft² |
| Electricity | 1,166,499 kWh |
| Natural gas | 40,949 therms |
| Gross floor area | 51,449 sq ft |
| Source record | california:4054455:2024 |
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.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 25881 Industrial Boulevard, Hayward
- City
- California
- State
- California
- ZIP
- 94545
- Coordinates
- 37.63208, -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
Distribution Center · 333,857 sq ft
- Eden Rock 10score 80
Distribution Center · 332,951 sq ft
- Bay Center Business Parkscore —
Non-Refrigerated Warehouse · 272,479 sq ft
- 25858 Clawiter Roadscore —
Non-Refrigerated Warehouse · 194,380 sq ft
See also: most efficient in California · biggest emitters
How does Mt. Eden - Building F compare with other office buildings in California?
The latest disclosures cover 6,214 office buildings in California, out of 40,029 buildings citywide. Its site EUI of 161.7 kBtu/ft² is about 187% above the average of 56.4 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 9.4 kgCO₂e/ft² is about 160% above the group average of 3.6 kgCO₂e/ft².
At 51,449 sq ft, it is about 66% below the average floor area of 151,937 sq ft for those buildings. It was built in 1999, 14 years later than the group's average year built (1985). Across all 24 jurisdictions BuildingCensus covers, the 15,264 office buildings average an ENERGY STAR score of 73 and a site EUI of 59.3 kBtu/ft².
What does a site EUI of 161.7 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 F's 161.7 kBtu/ft² across 51,449 sq ft works out to about 8.3 billion Btu (2,438 MWh-equivalent) in 2024. The disclosure also reports 1,166,499 kWh of electricity and 40,949 therms of natural gas for the year.
Which law requires Mt. Eden - Building F to report its energy use?
Mt. Eden - Building F 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:4054455:2024). 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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- Office buildings in California· 6,214 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 F's energy grade?
Mt. Eden - Building F did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 161.7 kBtu/ft².
How much energy does Mt. Eden - Building F use?
Its 2024 site energy-use intensity was 161.7 kBtu/ft² across 51,449 sq ft, including 1,166,499 kWh of electricity and 40,949 therms of natural gas.
What are Mt. Eden - Building F's carbon emissions?
Mt. Eden - Building F reported 482 tCO₂e of greenhouse-gas emissions (9.4 kgCO₂e/ft²) for 2024.
Where is Mt. Eden - Building F?
Mt. Eden - Building F is at 25881 Industrial Boulevard, Hayward, in Hayward, California 94545. Its coordinates are 37.63208, -122.11366 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is Mt. Eden - Building F and when was it built?
Mt. Eden - Building F has 51,449 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1999 as its year built. It is classed as office.
Is Mt. Eden - Building F 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 F, Hayward, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/mt-eden-building-f-ffd57260 (data as of July 9, 2026).