960 Stewart Drive
Office in California, CA · 960 Stewart Drive, Sunnyvale · 94085
At a glance
960 Stewart Drive is a 64,241-square-foot office building at 960 Stewart Drive, Sunnyvale in Sunnyvale, California, built in 1998. In its 2022 California benchmarking disclosure it reported a site energy-use intensity of 4.0 kBtu/ft² and 18 tCO₂e of greenhouse-gas emissions.
AB 802 (Public Resources Code §25402.10) · reporting year 2022
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 4.0 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 18 tCO₂e |
| GHG intensity | 0.3 kgCO₂e/ft² |
| Electricity | 76,088 kWh |
| Natural gas | 0 therms |
| Gross floor area | 64,241 sq ft |
| Source record | california:27517288:2022 |
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
- 960 Stewart Drive, Sunnyvale
- City
- California
- State
- California
- ZIP
- 94085
- Coordinates
- 37.38346, -122.00321
Within ~1 km
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See also: most efficient in California · biggest emitters
How does 960 Stewart 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 4.0 kBtu/ft² is about 93% 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 92% below the group average of 3.6 kgCO₂e/ft².
At 64,241 sq ft, it is about 58% below the average floor area of 151,937 sq ft for those buildings. It was built in 1998, 13 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 4.0 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. 960 Stewart Drive's 4.0 kBtu/ft² across 64,241 sq ft works out to about 0.3 billion Btu (75 MWh-equivalent) in 2022. The disclosure also reports 76,088 kWh of electricity and 0 therms of natural gas for the year.
Which law requires 960 Stewart Drive to report its energy use?
960 Stewart 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 2022 disclosure (source record california:27517288:2022). 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
- Hamilton Landing - Hangar 10· 64,231 sq ft · score 15 (D)
- 111 Santa Rosa Llc· 64,221 sq ft · score 88 (A)
- 550 15Th St· 64,200 sq ft · score 44 (D)
- University Gardens Bldg (Ugb)· 64,189 sq ft · score 87 (A)
- 2190 Gold Street· 64,174 sq ft · score 7 (D)
- Kearny Mesa Office Center, Llc· 64,147 sq ft · score 95 (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 960 Stewart Drive's energy grade?
960 Stewart Drive did not report an ENERGY STAR score in its 2022 disclosure, but its site energy-use intensity was 4.0 kBtu/ft².
How much energy does 960 Stewart Drive use?
Its 2022 site energy-use intensity was 4.0 kBtu/ft² across 64,241 sq ft, including 76,088 kWh of electricity and 0 therms of natural gas.
What are 960 Stewart Drive's carbon emissions?
960 Stewart Drive reported 18 tCO₂e of greenhouse-gas emissions (0.3 kgCO₂e/ft²) for 2022.
Where is 960 Stewart Drive?
960 Stewart Drive is at 960 Stewart Drive, Sunnyvale, in Sunnyvale, California 94085. Its coordinates are 37.38346, -122.00321 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is 960 Stewart Drive and when was it built?
960 Stewart Drive has 64,241 sq ft of gross floor area, as reported in its 2022 disclosure. The disclosure lists 1998 as its year built. It is classed as office.
Is 960 Stewart Drive covered by AB 802 (Public Resources Code §25402.10)?
Yes — it appears in the 2022 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, “960 Stewart Drive, Sunnyvale, California — 2022 benchmarking disclosure”, https://buildingcensus.com/buildings/california/960-stewart-drive-fe20047b (data as of July 9, 2026).