3205 Alfred St (Sjc35)
Data Center in California, CA · 3205 Alfred Street, Santa Clara · 95054
At a glance
3205 Alfred St (Sjc35) is a 65,680-square-foot data center at 3205 Alfred Street, Santa Clara in Santa Clara, California, built in 2018. In its 2024 California benchmarking disclosure it reported a site energy-use intensity of 922.8 kBtu/ft² and 4,022 tCO₂e of greenhouse-gas emissions.
AB 802 (Public Resources Code §25402.10) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 922.8 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 4,022 tCO₂e |
| GHG intensity | 61.2 kgCO₂e/ft² |
| Electricity | 17,762,504 kWh |
| Gross floor area | 65,680 sq ft |
| Source record | california:6369001:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 922.8 kBtu/ft² | 4,022 tCO₂e | |
| 2023 | 94 | +2 | 911.4 kBtu/ft² | 4,246 tCO₂e |
| 2022 | 92 | +2 | 984.9 kBtu/ft² | 4,434 tCO₂e |
| 2021 | 90 | 830.7 kBtu/ft² | 3,302 tCO₂e | |
| 2020 | — | 487.3 kBtu/ft² | 2,123 tCO₂e | |
| 2019 | 1 | 225.6 kBtu/ft² | 1,044 tCO₂e | |
| 2018 | — | — | 603 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
- 3205 Alfred Street, Santa Clara
- City
- California
- State
- California
- ZIP
- 95054
- Coordinates
- 37.37913, -121.95840
Within ~1 km
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- 1100 Space Park Dr (Sjc10)score —
Data Center · 189,377 sq ft
See also: most efficient in California · biggest emitters
How does 3205 Alfred St (Sjc35) compare with other data center buildings in California?
The latest disclosures cover 112 data center buildings in California, out of 40,029 buildings citywide. Its site EUI of 922.8 kBtu/ft² is about 11% above the average of 832.6 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 61.2 kgCO₂e/ft² is about 12% above the group average of 54.8 kgCO₂e/ft².
At 65,680 sq ft, it is about 55% below the average floor area of 147,240 sq ft for those buildings. It was built in 2018, 27 years later than the group's average year built (1991). Across all 24 jurisdictions BuildingCensus covers, the 267 data center buildings average an ENERGY STAR score of 68 and a site EUI of 504.4 kBtu/ft².
How has 3205 Alfred St (Sjc35)'s energy performance changed over time?
BuildingCensus holds 7 California disclosures for 3205 Alfred St (Sjc35), covering report years 2018–2024. Its ENERGY STAR score went from 1 in 2019 to 94 in 2023 (+93 points). Site EUI moved from 225.6 kBtu/ft² (2019) to 922.8 kBtu/ft² (2024), an 309% increase. Reported emissions went from 603 tCO₂e to 4,022 tCO₂e over the same span (up 567%).
What does a site EUI of 922.8 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. 3205 Alfred St (Sjc35)'s 922.8 kBtu/ft² across 65,680 sq ft works out to about 60.6 billion Btu (17,763 MWh-equivalent) in 2024. The disclosure also reports 17,762,504 kWh of electricity for the year.
Which law requires 3205 Alfred St (Sjc35) to report its energy use?
3205 Alfred St (Sjc35) 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:6369001:2024). 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 data center buildings in California
- 1550 Space Park Dr· 65,594 sq ft · EUI 7.4 kBtu/ft²
- 47913 - 47923 Warm Springs Blvd· 65,538 sq ft · EUI 6.7 kBtu/ft²
- Sjc1 - Santa Clara· 65,353 sq ft · score 100 (A)
- 8929 Aero Dr· 64,000 sq ft · EUI 379.7 kBtu/ft²
- 3065 Gold Camp Drive, Rancho Cordova· 63,791 sq ft · score 83 (B)
- Sfo4-B (Santa Clara, Ca) Centersquare· 62,942 sq ft · score 86 (A)
- Data Center buildings in California· 112 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 3205 Alfred St (Sjc35)'s energy grade?
3205 Alfred St (Sjc35) did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 922.8 kBtu/ft².
How much energy does 3205 Alfred St (Sjc35) use?
Its 2024 site energy-use intensity was 922.8 kBtu/ft² across 65,680 sq ft, including 17,762,504 kWh of electricity.
What are 3205 Alfred St (Sjc35)'s carbon emissions?
3205 Alfred St (Sjc35) reported 4,022 tCO₂e of greenhouse-gas emissions (61.2 kgCO₂e/ft²) for 2024.
Where is 3205 Alfred St (Sjc35)?
3205 Alfred St (Sjc35) is at 3205 Alfred Street, Santa Clara, in Santa Clara, California 95054. Its coordinates are 37.37913, -121.95840 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is 3205 Alfred St (Sjc35) and when was it built?
3205 Alfred St (Sjc35) has 65,680 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2018 as its year built. It is classed as data center.
Is 3205 Alfred St (Sjc35) 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, “3205 Alfred St (Sjc35), Santa Clara, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/3205-alfred-st-sjc35-73bfb47b (data as of July 9, 2026).