2721 San Tomas Expwy
Office in California, CA · 2721 San Tomas Expressway, Santa Clara · 95050
At a glance
2721 San Tomas Expwy is a 125,000-square-foot office building at 2721 San Tomas Expressway, Santa Clara in Santa Clara, California, built in 2001. In its 2024 California benchmarking disclosure it reported an ENERGY STAR score of 1 out of 100 (grade D), a site energy-use intensity of 341.6 kBtu/ft² and 2,670 tCO₂e of greenhouse-gas emissions. That score is higher than 0% of the 4,912 scored office buildings in California.
AB 802 (Public Resources Code §25402.10) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 1 (band D) |
| Site EUI | 341.6 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 2,670 tCO₂e |
| GHG intensity | 21.4 kgCO₂e/ft² |
| Electricity | 9,282,055 kWh |
| Natural gas | 106,896 therms |
| Gross floor area | 125,000 sq ft |
| Source record | california:6432415:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 1 | ±0 | 341.6 kBtu/ft² | 2,670 tCO₂e |
| 2023 | 1 | ±0 | 364.5 kBtu/ft² | 3,044 tCO₂e |
| 2022 | 1 | ±0 | 316.4 kBtu/ft² | 2,584 tCO₂e |
| 2021 | 1 | ±0 | 331.3 kBtu/ft² | 2,462 tCO₂e |
| 2020 | 1 | ±0 | 320.8 kBtu/ft² | 2,570 tCO₂e |
| 2019 | 1 | 308.6 kBtu/ft² | 2,653 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
- 2721 San Tomas Expressway, Santa Clara
- City
- California
- State
- California
- ZIP
- 95050
- Coordinates
- 37.37097, -121.96451
Within ~1 km
Nearby benchmarked buildings
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- 2260 Lawsonscore —
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- Santa Clara Square Viiscore 99
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- 2250 Lawson Lanescore 99
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- 3075 Olcott St.score 100
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See also: most efficient in California · biggest emitters
How does 2721 San Tomas Expwy compare with other office buildings in California?
The latest disclosures cover 6,214 office buildings in California, out of 40,029 buildings citywide. 2721 San Tomas Expwy's ENERGY STAR score of 1 compares with an average of 75 across the 4,912 that report a score; it scores higher than 0% of them and lower than 97%. Its site EUI of 341.6 kBtu/ft² is about 506% 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 21.4 kgCO₂e/ft² is about 493% above the group average of 3.6 kgCO₂e/ft².
At 125,000 sq ft, it is about 18% below the average floor area of 151,937 sq ft for those buildings. It was built in 2001, 16 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 2721 San Tomas Expwy's energy performance changed over time?
BuildingCensus holds 6 California disclosures for 2721 San Tomas Expwy, covering report years 2019–2024. Its ENERGY STAR score was 1 in both 2019 and 2024. Site EUI moved from 308.6 kBtu/ft² (2019) to 341.6 kBtu/ft² (2024), an 11% increase. Reported emissions went from 2,653 tCO₂e to 2,670 tCO₂e over the same span (up 1%).
What does an ENERGY STAR score of 1 mean?
ENERGY STAR scores run from 1 to 100 and are computed by the EPA's Portfolio Manager as a percentile against similar buildings nationwide, adjusted for climate, size and use: 1 is the bottom of the scale. BuildingCensus bands the score into report-card grades; 1 falls in band D — lowest band (1–54). It sits 74 points below 75, the threshold for ENERGY STAR certification. In California, 65% of scored buildings are at 75 or above.
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. 2721 San Tomas Expwy's 341.6 kBtu/ft² across 125,000 sq ft works out to about 42.7 billion Btu (12,514 MWh-equivalent) in 2024. The disclosure also reports 9,282,055 kWh of electricity and 106,896 therms of natural gas for the year.
Which law requires 2721 San Tomas Expwy to report its energy use?
2721 San Tomas Expwy 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:6432415:2024). 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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- Park Center 400· 124,878 sq ft · score 74 (B)
- 2055 Gateway Place (Gateway Office Ii A)· 124,875 sq ft · score 87 (A)
- 4125 Hopyard Road· 124,789 sq ft · EUI 16.5 kBtu/ft²
- Karl Storz· 124,773 sq ft · score 97 (A)
- 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 2721 San Tomas Expwy's energy grade?
2721 San Tomas Expwy scores 1 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2024 California disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 2721 San Tomas Expwy use?
Its 2024 site energy-use intensity was 341.6 kBtu/ft² across 125,000 sq ft, including 9,282,055 kWh of electricity and 106,896 therms of natural gas.
What are 2721 San Tomas Expwy's carbon emissions?
2721 San Tomas Expwy reported 2,670 tCO₂e of greenhouse-gas emissions (21.4 kgCO₂e/ft²) for 2024.
Where is 2721 San Tomas Expwy?
2721 San Tomas Expwy is at 2721 San Tomas Expressway, Santa Clara, in Santa Clara, California 95050. Its coordinates are 37.37097, -121.96451 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is 2721 San Tomas Expwy and when was it built?
2721 San Tomas Expwy has 125,000 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2001 as its year built. It is classed as office.
Is 2721 San Tomas Expwy 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, “2721 San Tomas Expwy, Santa Clara, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/2721-san-tomas-expwy-47990c9c (data as of July 9, 2026).