540 Alder Drive
Office in California, CA · 540 Alder Drive, Milpitas · 95035
At a glance
540 Alder Drive is a 52,812-square-foot office building at 540 Alder Drive, Milpitas in Milpitas, California, built in 1985. In its 2024 California benchmarking disclosure it reported a site energy-use intensity of 11.1 kBtu/ft² and 38 tCO₂e of greenhouse-gas emissions.
AB 802 (Public Resources Code §25402.10) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 11.1 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 38 tCO₂e |
| GHG intensity | 0.7 kgCO₂e/ft² |
| Electricity | 154,138 kWh |
| Natural gas | 592 therms |
| Gross floor area | 52,812 sq ft |
| Source record | california:20990079:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 11.1 kBtu/ft² | 38 tCO₂e | |
| 2023 | 100 | +4 | 6.3 kBtu/ft² | 23 tCO₂e |
| 2022 | 96 | -2 | 19.4 kBtu/ft² | 70 tCO₂e |
| 2021 | 98 | 18.8 kBtu/ft² | 58 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
- 540 Alder Drive, Milpitas
- City
- California
- State
- California
- ZIP
- 95035
- Coordinates
- 37.41233, -121.91451
Within ~1 km
Nearby benchmarked buildings
See also: most efficient in California · biggest emitters
How does 540 Alder Drive 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 11.1 kBtu/ft² is about 80% below the average of 56.4 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 0.7 kgCO₂e/ft² is about 80% below the group average of 3.6 kgCO₂e/ft².
At 52,812 sq ft, it is about 65% below the average floor area of 151,937 sq ft for those buildings. Its 1985 construction date is close to 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.
How has 540 Alder Drive's energy performance changed over time?
BuildingCensus holds 4 California disclosures for 540 Alder Drive, covering report years 2021–2024. Its ENERGY STAR score went from 98 in 2021 to 100 in 2023 (+2 points). Site EUI moved from 18.8 kBtu/ft² (2021) to 11.1 kBtu/ft² (2024), a 41% decrease. Reported emissions went from 58 tCO₂e to 38 tCO₂e over the same span (down 35%).
What does a site EUI of 11.1 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. 540 Alder Drive's 11.1 kBtu/ft² across 52,812 sq ft works out to about 0.6 billion Btu (172 MWh-equivalent) in 2024. The disclosure also reports 154,138 kWh of electricity and 592 therms of natural gas for the year.
Which law requires 540 Alder Drive to report its energy use?
540 Alder Drive 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:20990079:2024). 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 office buildings in California
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- Page Mill Hill - 1801· 52,723 sq ft · score 59 (C)
- 110 Innovation· 52,722 sq ft · score 69 (C)
- River Bluff 8050· 52,714 sq ft · score 18 (D)
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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 540 Alder Drive's energy grade?
540 Alder Drive did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 11.1 kBtu/ft².
How much energy does 540 Alder Drive use?
Its 2024 site energy-use intensity was 11.1 kBtu/ft² across 52,812 sq ft, including 154,138 kWh of electricity and 592 therms of natural gas.
What are 540 Alder Drive's carbon emissions?
540 Alder Drive reported 38 tCO₂e of greenhouse-gas emissions (0.7 kgCO₂e/ft²) for 2024.
Where is 540 Alder Drive?
540 Alder Drive is at 540 Alder Drive, Milpitas, in Milpitas, California 95035. Its coordinates are 37.41233, -121.91451 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is 540 Alder Drive and when was it built?
540 Alder Drive has 52,812 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1985 as its year built. It is classed as office.
Is 540 Alder Drive 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, “540 Alder Drive, Milpitas, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/540-alder-drive-cd75bc3f (data as of July 9, 2026).