475 Ellis St
Laboratory in California, CA · 475 Ellis Street, Mountain View · 94043
At a glance
475 Ellis St is a 65,616-square-foot laboratory building at 475 Ellis Street, Mountain View in Mountain View, California, built in 1980. In its 2024 California benchmarking disclosure it reported a site energy-use intensity of 1010.8 kBtu/ft² and 4,386 tCO₂e of greenhouse-gas emissions.
AB 802 (Public Resources Code §25402.10) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 1010.8 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 4,386 tCO₂e |
| GHG intensity | 66.8 kgCO₂e/ft² |
| Electricity | 19,231,885 kWh |
| Natural gas | 5,933 therms |
| Gross floor area | 65,616 sq ft |
| Source record | california:16951969:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 1010.8 kBtu/ft² | 4,386 tCO₂e | |
| 2023 | — | 800.1 kBtu/ft² | 3,714 tCO₂e | |
| 2022 | — | 608.2 kBtu/ft² | 2,729 tCO₂e | |
| 2021 | — | 482.6 kBtu/ft² | 1,915 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
- 475 Ellis Street, Mountain View
- City
- California
- State
- California
- ZIP
- 94043
- Coordinates
- 37.39906, -122.05197
Within ~1 km
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See also: most efficient in California · biggest emitters
How does 475 Ellis St compare with other laboratory buildings in California?
The latest disclosures cover 308 laboratory buildings in California, out of 40,029 buildings citywide. Its site EUI of 1010.8 kBtu/ft² is about 456% above the average of 181.8 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 66.8 kgCO₂e/ft² is about 502% above the group average of 11.1 kgCO₂e/ft².
At 65,616 sq ft, it is about half of the average floor area of 121,485 sq ft for those buildings. It was built in 1980, 12 years earlier than the group's average year built (1992). Across all 24 jurisdictions BuildingCensus covers, the 795 laboratory buildings average an ENERGY STAR score of 29 and a site EUI of 231.7 kBtu/ft².
How has 475 Ellis St's energy performance changed over time?
BuildingCensus holds 4 California disclosures for 475 Ellis St, covering report years 2021–2024. Site EUI moved from 482.6 kBtu/ft² (2021) to 800.1 kBtu/ft² (2023), an 66% increase. Reported emissions went from 1,915 tCO₂e to 3,714 tCO₂e over the same span (up 94%).
What does a site EUI of 1010.8 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. 475 Ellis St's 1010.8 kBtu/ft² across 65,616 sq ft works out to about 66.3 billion Btu (19,438 MWh-equivalent) in 2024. The disclosure also reports 19,231,885 kWh of electricity and 5,933 therms of natural gas for the year.
Which law requires 475 Ellis St to report its energy use?
475 Ellis St 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:16951969:2024). 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 laboratory buildings in California
- 349 Oyster Point - Oyster Point Tech· 65,340 sq ft · EUI 211.0 kBtu/ft²
- Us-Mtv-E475· 64,868 sq ft · EUI 324.0 kBtu/ft²
- Elim Biopharmaceuticals, Inc.· 64,512 sq ft
- Bmr-10835 Road To The Cure Lp· 64,362 sq ft · EUI 230.7 kBtu/ft²
- Ise Labs San Jose· 63,986 sq ft
- Us-Mtv-2071· 63,418 sq ft · EUI 128.0 kBtu/ft²
- Laboratory buildings in California· 308 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 475 Ellis St's energy grade?
475 Ellis St did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 1010.8 kBtu/ft².
How much energy does 475 Ellis St use?
Its 2024 site energy-use intensity was 1010.8 kBtu/ft² across 65,616 sq ft, including 19,231,885 kWh of electricity and 5,933 therms of natural gas.
What are 475 Ellis St's carbon emissions?
475 Ellis St reported 4,386 tCO₂e of greenhouse-gas emissions (66.8 kgCO₂e/ft²) for 2024.
Where is 475 Ellis St?
475 Ellis St is at 475 Ellis Street, Mountain View, in Mountain View, California 94043. Its coordinates are 37.39906, -122.05197 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is 475 Ellis St and when was it built?
475 Ellis St has 65,616 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1980 as its year built. It is classed as laboratory.
Is 475 Ellis St 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, “475 Ellis St, Mountain View, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/475-ellis-st-cd41181e (data as of July 9, 2026).