Ls Partners I - 499 Illinois
Laboratory in California, CA · 499 Illinois Street, San Francisco · 94158
At a glance
Ls Partners I - 499 Illinois is a 224,707-square-foot laboratory building at 499 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 147.0 kBtu/ft² and 2,019 tCO₂e of greenhouse-gas emissions.
AB 802 (Public Resources Code §25402.10) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 147.0 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 2,019 tCO₂e |
| GHG intensity | 9.0 kgCO₂e/ft² |
| Electricity | 5,383,281 kWh |
| Natural gas | 150,565 therms |
| Gross floor area | 224,707 sq ft |
| Source record | california:4450355:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 147.0 kBtu/ft² | 2,019 tCO₂e | |
| 2023 | — | 154.3 kBtu/ft² | 2,157 tCO₂e | |
| 2022 | — | 160.7 kBtu/ft² | 2,244 tCO₂e | |
| 2021 | — | 157.5 kBtu/ft² | 2,018 tCO₂e | |
| 2020 | — | 167.8 kBtu/ft² | 2,260 tCO₂e | |
| 2019 | — | 175.8 kBtu/ft² | 2,401 tCO₂e | |
| 2018 | — | 183.2 kBtu/ft² | 2,498 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
- 499 Illinois Street, San Francisco
- City
- California
- State
- California
- ZIP
- 94158
- Coordinates
- 37.76584, -122.38770
Within ~1 km
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See also: most efficient in California · biggest emitters
How does Ls Partners I - 499 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 147.0 kBtu/ft² is about 19% below the average of 181.8 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 9.0 kgCO₂e/ft² is about 19% below the group average of 11.1 kgCO₂e/ft².
At 224,707 sq ft, it is about 85% above 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 - 499 Illinois's energy performance changed over time?
BuildingCensus holds 7 California disclosures for Ls Partners I - 499 Illinois, covering report years 2018–2024. Site EUI moved from 183.2 kBtu/ft² (2018) to 147.0 kBtu/ft² (2024), a 20% decrease. Reported emissions went from 2,498 tCO₂e to 2,019 tCO₂e over the same span (down 19%).
What does a site EUI of 147.0 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. Ls Partners I - 499 Illinois's 147.0 kBtu/ft² across 224,707 sq ft works out to about 33 billion Btu (9,681 MWh-equivalent) in 2024. The disclosure also reports 5,383,281 kWh of electricity and 150,565 therms of natural gas for the year.
Which law requires Ls Partners I - 499 Illinois to report its energy use?
Ls Partners I - 499 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:4450355:2024). 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
- Building B, 3200 Lakeside Drive, Santa Clara· 224,351 sq ft · EUI 203.2 kBtu/ft²
- Davis Building· 223,916 sq ft · EUI 167.8 kBtu/ft²
- Pfizer Cb3· 220,661 sq ft · EUI 193.3 kBtu/ft²
- Ls Partners Ii - 455 Mission· 219,588 sq ft · EUI 215.2 kBtu/ft²
- Biomedical Innovation· 218,803 sq ft · EUI 88.7 kBtu/ft²
- Pfizer Cb4· 213,708 sq ft · EUI 72.7 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 - 499 Illinois's energy grade?
Ls Partners I - 499 Illinois did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 147.0 kBtu/ft².
How much energy does Ls Partners I - 499 Illinois use?
Its 2024 site energy-use intensity was 147.0 kBtu/ft² across 224,707 sq ft, including 5,383,281 kWh of electricity and 150,565 therms of natural gas.
What are Ls Partners I - 499 Illinois's carbon emissions?
Ls Partners I - 499 Illinois reported 2,019 tCO₂e of greenhouse-gas emissions (9.0 kgCO₂e/ft²) for 2024.
Where is Ls Partners I - 499 Illinois?
Ls Partners I - 499 Illinois is at 499 Illinois Street, San Francisco, in San Francisco, California 94158. Its coordinates are 37.76584, -122.38770 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is Ls Partners I - 499 Illinois and when was it built?
Ls Partners I - 499 Illinois has 224,707 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 - 499 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 - 499 Illinois, San Francisco, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/ls-partners-i-499-illinois-0eccac16 (data as of July 9, 2026).