Ls Partners I - 409 Illinois
Laboratory in California, CA · 409 Illinois Street, San Francisco · 94158
At a glance
Ls Partners I - 409 Illinois is a 259,345-square-foot laboratory building at 409 Illinois Street, San Francisco in San Francisco, California, built in 2008. In its 2024 California benchmarking disclosure it reported a site energy-use intensity of 228.2 kBtu/ft² and 3,494 tCO₂e of greenhouse-gas emissions.
AB 802 (Public Resources Code §25402.10) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 228.2 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 3,494 tCO₂e |
| GHG intensity | 13.5 kgCO₂e/ft² |
| Electricity | 7,619,052 kWh |
| Natural gas | 333,062 therms |
| Gross floor area | 259,345 sq ft |
| Source record | california:2895534:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 228.2 kBtu/ft² | 3,494 tCO₂e | |
| 2023 | — | — | 3,887 tCO₂e | |
| 2022 | — | 247.6 kBtu/ft² | 3,860 tCO₂e | |
| 2021 | — | 259.0 kBtu/ft² | 3,762 tCO₂e | |
| 2020 | — | 250.5 kBtu/ft² | 3,858 tCO₂e | |
| 2019 | — | 250.1 kBtu/ft² | 3,880 tCO₂e | |
| 2018 | — | 261.8 kBtu/ft² | 3,799 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
- 409 Illinois Street, San Francisco
- City
- California
- State
- California
- ZIP
- 94158
- Coordinates
- 37.76658, -122.38770
Within ~1 km
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See also: most efficient in California · biggest emitters
How does Ls Partners I - 409 Illinois 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 228.2 kBtu/ft² is about 26% 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 13.5 kgCO₂e/ft² is about 21% above the group average of 11.1 kgCO₂e/ft².
At 259,345 sq ft, it is about twice the average floor area of 121,485 sq ft for those buildings. It was built in 2008, 16 years later 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 Ls Partners I - 409 Illinois's energy performance changed over time?
BuildingCensus holds 7 California disclosures for Ls Partners I - 409 Illinois, covering report years 2018–2024. Site EUI moved from 261.8 kBtu/ft² (2018) to 228.2 kBtu/ft² (2024), a 13% decrease. Reported emissions went from 3,799 tCO₂e to 3,494 tCO₂e over the same span (down 8%).
What does a site EUI of 228.2 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. Ls Partners I - 409 Illinois's 228.2 kBtu/ft² across 259,345 sq ft works out to about 59.2 billion Btu (17,345 MWh-equivalent) in 2024. The disclosure also reports 7,619,052 kWh of electricity and 333,062 therms of natural gas for the year.
Which law requires Ls Partners I - 409 Illinois to report its energy use?
Ls Partners I - 409 Illinois 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:2895534:2024). 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
- Lokey Stem Cell Research Building· 258,284 sq ft · EUI 106.1 kBtu/ft²
- Pfizer Cb2· 249,066 sq ft · EUI 126.1 kBtu/ft²
- Bur 105· 247,406 sq ft · EUI 99.7 kBtu/ft²
- 2855 Gazelle· 246,699 sq ft · EUI 186.7 kBtu/ft²
- 110 North George Burns· 246,626 sq ft · EUI 161.0 kBtu/ft²
- 835 Industrial Road· 243,988 sq ft · EUI 175.9 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 Ls Partners I - 409 Illinois's energy grade?
Ls Partners I - 409 Illinois did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 228.2 kBtu/ft².
How much energy does Ls Partners I - 409 Illinois use?
Its 2024 site energy-use intensity was 228.2 kBtu/ft² across 259,345 sq ft, including 7,619,052 kWh of electricity and 333,062 therms of natural gas.
What are Ls Partners I - 409 Illinois's carbon emissions?
Ls Partners I - 409 Illinois reported 3,494 tCO₂e of greenhouse-gas emissions (13.5 kgCO₂e/ft²) for 2024.
Where is Ls Partners I - 409 Illinois?
Ls Partners I - 409 Illinois is at 409 Illinois Street, San Francisco, in San Francisco, California 94158. Its coordinates are 37.76658, -122.38770 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is Ls Partners I - 409 Illinois and when was it built?
Ls Partners I - 409 Illinois has 259,345 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2008 as its year built. It is classed as laboratory.
Is Ls Partners I - 409 Illinois 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, “Ls Partners I - 409 Illinois, San Francisco, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/ls-partners-i-409-illinois-8d181eda (data as of July 9, 2026).