Z435013B Menlo Business Park Bldg #8 (1440 O'Brien)
Laboratory in California, CA · 1440 O'Brien Drive, Menlo Park · 94025
At a glance
Z435013B Menlo Business Park Bldg #8 (1440 O'Brien) is a 57,751-square-foot laboratory building at 1440 O'Brien Drive, Menlo Park in Menlo Park, California, built in 1986. In its 2024 California benchmarking disclosure it reported a site energy-use intensity of 80.0 kBtu/ft² and 287 tCO₂e of greenhouse-gas emissions.
AB 802 (Public Resources Code §25402.10) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 80.0 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 287 tCO₂e |
| GHG intensity | 5.0 kgCO₂e/ft² |
| Electricity | 919,369 kWh |
| Natural gas | 14,853 therms |
| Gross floor area | 57,751 sq ft |
| Source record | california:6375448:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 80.0 kBtu/ft² | 287 tCO₂e | |
| 2023 | — | 68.1 kBtu/ft² | 256 tCO₂e | |
| 2022 | — | 81.1 kBtu/ft² | 300 tCO₂e | |
| 2021 | — | 67.6 kBtu/ft² | 229 tCO₂e | |
| 2020 | — | 51.5 kBtu/ft² | 183 tCO₂e | |
| 2019 | — | 38.0 kBtu/ft² | 137 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.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 1440 O'Brien Drive, Menlo Park
- City
- California
- State
- California
- ZIP
- 94025
- Coordinates
- 37.47620, -122.14304
Within ~1 km
Nearby benchmarked buildings
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- Mpk 44score 87
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- Mpk 15score 71
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- Mpk 45score 60
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See also: most efficient in California · biggest emitters
How does Z435013B Menlo Business Park Bldg #8 (1440 O'Brien) 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 80.0 kBtu/ft² is about 56% 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 5.0 kgCO₂e/ft² is about 55% below the group average of 11.1 kgCO₂e/ft².
At 57,751 sq ft, it is about half of the average floor area of 121,485 sq ft for those buildings. It was built in 1986, 6 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 Z435013B Menlo Business Park Bldg #8 (1440 O'Brien)'s energy performance changed over time?
BuildingCensus holds 6 California disclosures for Z435013B Menlo Business Park Bldg #8 (1440 O'Brien), covering report years 2019–2024. Site EUI moved from 38.0 kBtu/ft² (2019) to 80.0 kBtu/ft² (2024), an 111% increase. Reported emissions went from 137 tCO₂e to 287 tCO₂e over the same span (up 109%).
What does a site EUI of 80.0 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. Z435013B Menlo Business Park Bldg #8 (1440 O'Brien)'s 80.0 kBtu/ft² across 57,751 sq ft works out to about 4.6 billion Btu (1,354 MWh-equivalent) in 2024. The disclosure also reports 919,369 kWh of electricity and 14,853 therms of natural gas for the year.
Which law requires Z435013B Menlo Business Park Bldg #8 (1440 O'Brien) to report its energy use?
Z435013B Menlo Business Park Bldg #8 (1440 O'Brien) 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:6375448:2024). 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
- Waterfront At Harbor Bay 1801· 57,747 sq ft · EUI 201.4 kBtu/ft²
- 4385 Hopyard Road· 56,505 sq ft · EUI 38.1 kBtu/ft²
- Tga Mob 5005 Mcconnell Llc· 56,306 sq ft · EUI 68.9 kBtu/ft²
- Discovery Collection - 4215 Sorrento Boulevard· 56,053 sq ft · EUI 233.1 kBtu/ft²
- Bmr-3280 Bayshore· 55,898 sq ft · EUI 47.4 kBtu/ft²
- Bmr-34790 Ardentech Court· 55,888 sq ft · EUI 14.8 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 Z435013B Menlo Business Park Bldg #8 (1440 O'Brien)'s energy grade?
Z435013B Menlo Business Park Bldg #8 (1440 O'Brien) did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 80.0 kBtu/ft².
How much energy does Z435013B Menlo Business Park Bldg #8 (1440 O'Brien) use?
Its 2024 site energy-use intensity was 80.0 kBtu/ft² across 57,751 sq ft, including 919,369 kWh of electricity and 14,853 therms of natural gas.
What are Z435013B Menlo Business Park Bldg #8 (1440 O'Brien)'s carbon emissions?
Z435013B Menlo Business Park Bldg #8 (1440 O'Brien) reported 287 tCO₂e of greenhouse-gas emissions (5.0 kgCO₂e/ft²) for 2024.
Where is Z435013B Menlo Business Park Bldg #8 (1440 O'Brien)?
Z435013B Menlo Business Park Bldg #8 (1440 O'Brien) is at 1440 O'Brien Drive, Menlo Park, in Menlo Park, California 94025. Its coordinates are 37.47620, -122.14304 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is Z435013B Menlo Business Park Bldg #8 (1440 O'Brien) and when was it built?
Z435013B Menlo Business Park Bldg #8 (1440 O'Brien) has 57,751 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1986 as its year built. It is classed as laboratory.
Is Z435013B Menlo Business Park Bldg #8 (1440 O'Brien) 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, “Z435013B Menlo Business Park Bldg #8 (1440 O'Brien), Menlo Park, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/z435013b-menlo-business-park-bldg-8-1440-o-brien-b3cdeb7d (data as of July 9, 2026).