2 West Santa Clara
Office in California, CA · 5 South First Street, San Jose · 95113
At a glance
2 West Santa Clara is a 83,896-square-foot office building at 5 South First Street, San Jose in San Jose, California, built in 2000. In its 2024 California benchmarking disclosure it reported a site energy-use intensity of 4.8 kBtu/ft² and 27 tCO₂e of greenhouse-gas emissions.
AB 802 (Public Resources Code §25402.10) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 4.8 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 27 tCO₂e |
| GHG intensity | 0.3 kgCO₂e/ft² |
| Electricity | 118,192 kWh |
| Gross floor area | 83,896 sq ft |
| Source record | california:5792750:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 4.8 kBtu/ft² | 27 tCO₂e | |
| 2022 | — | 3.6 kBtu/ft² | 21 tCO₂e | |
| 2021 | — | 3.7 kBtu/ft² | 19 tCO₂e | |
| 2020 | — | 3.5 kBtu/ft² | 19 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
- 5 South First Street, San Jose
- City
- California
- State
- California
- ZIP
- 95113
- Coordinates
- 37.33591, -121.89060
Within ~1 km
Nearby benchmarked buildings
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- The Grad (Gr299)score 94
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- The Julian (Jl006)score 100
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See also: most efficient in California · biggest emitters
How does 2 West Santa Clara 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 4.8 kBtu/ft² is about 91% 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 0.3 kgCO₂e/ft² is about 91% below the group average of 3.6 kgCO₂e/ft².
At 83,896 sq ft, it is about 45% below the average floor area of 151,937 sq ft for those buildings. It was built in 2000, 15 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.
How has 2 West Santa Clara's energy performance changed over time?
BuildingCensus holds 4 California disclosures for 2 West Santa Clara, covering report years 2020, 2021, 2022, 2024. Site EUI moved from 3.5 kBtu/ft² (2020) to 4.8 kBtu/ft² (2024), an 37% increase. Reported emissions went from 19 tCO₂e to 27 tCO₂e over the same span (up 38%).
What does a site EUI of 4.8 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. 2 West Santa Clara's 4.8 kBtu/ft² across 83,896 sq ft works out to about 0.4 billion Btu (118 MWh-equivalent) in 2024. The disclosure also reports 118,192 kWh of electricity for the year.
Which law requires 2 West Santa Clara to report its energy use?
2 West Santa Clara 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:5792750:2024). 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
- Valle Del Sol Townhomes· 83,880 sq ft · EUI 40.5 kBtu/ft²
- 1940 E Mariposa Ave· 83,864 sq ft · score 59 (C)
- 27349 Agoura Rd (Green Econome - Ab802 Reporting)· 83,853 sq ft · score 1 (D)
- Santa Clara County Ca - San Jose - 880 Ridder Park Drive· 83,841 sq ft · score 73 (B)
- 210 Porter Dr, San Ramon, Ca 94583, Usa· 83,800 sq ft · score 100 (A)
- 521 East 11Th St Llc· 83,784 sq ft · score 54 (D)
- 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 2 West Santa Clara's energy grade?
2 West Santa Clara did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 4.8 kBtu/ft².
How much energy does 2 West Santa Clara use?
Its 2024 site energy-use intensity was 4.8 kBtu/ft² across 83,896 sq ft, including 118,192 kWh of electricity.
What are 2 West Santa Clara's carbon emissions?
2 West Santa Clara reported 27 tCO₂e of greenhouse-gas emissions (0.3 kgCO₂e/ft²) for 2024.
Where is 2 West Santa Clara?
2 West Santa Clara is at 5 South First Street, San Jose, in San Jose, California 95113. Its coordinates are 37.33591, -121.89060 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is 2 West Santa Clara and when was it built?
2 West Santa Clara has 83,896 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2000 as its year built. It is classed as office.
Is 2 West Santa Clara 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, “2 West Santa Clara, San Jose, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/2-west-santa-clara-3e16d8e7 (data as of July 9, 2026).