1 Mauchly
Office in California, CA · 1 Mauchly, Irvine · 92618
At a glance
1 Mauchly is a 64,466-square-foot office building at 1 Mauchly, Irvine in Irvine, California, built in 1987. In its 2024 California benchmarking disclosure it reported 91 tCO₂e of greenhouse-gas emissions.
AB 802 (Public Resources Code §25402.10) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | — |
| Source EUI | — |
| GHG emissions | 91 tCO₂e |
| GHG intensity | 1.4 kgCO₂e/ft² |
| Electricity | 401,914 kWh |
| Gross floor area | 64,466 sq ft |
| Source record | california:34530566:2024 |
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
- 1 Mauchly, Irvine
- City
- California
- State
- California
- ZIP
- 92618
- Coordinates
- 33.65320, -117.73523
Within ~1 km
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See also: most efficient in California · biggest emitters
How does 1 Mauchly compare with other office buildings in California?
The latest disclosures cover 6,214 office buildings in California, out of 40,029 buildings citywide. Its emissions intensity of 1.4 kgCO₂e/ft² is about 61% below the group average of 3.6 kgCO₂e/ft².
At 64,466 sq ft, it is about 58% below the average floor area of 151,937 sq ft for those buildings. Its 1987 construction date is close to 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.
Which law requires 1 Mauchly to report its energy use?
1 Mauchly 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:34530566:2024). 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 office buildings in California
- 101 Lytton Ave, Palo Alto, Ca 94301· 64,464 sq ft · score 96 (A)
- 710 S Broadway· 64,420 sq ft · score 23 (D)
- La Family Housing· 64,407 sq ft · score 85 (A)
- 3939 N First St.· 64,399 sq ft · score 87 (A)
- 250 Progress· 64,387 sq ft · score 100 (A)
- Valley Oak Tech Center - 6379 San Ignacio Ave - Northrop Grumman· 64,385 sq ft · score 16 (D)
- 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 1 Mauchly's energy grade?
1 Mauchly did not report an ENERGY STAR score in its 2024 disclosure.
How much energy does 1 Mauchly use?
No energy-use intensity was reported for 2024.
What are 1 Mauchly's carbon emissions?
1 Mauchly reported 91 tCO₂e of greenhouse-gas emissions (1.4 kgCO₂e/ft²) for 2024.
Where is 1 Mauchly?
1 Mauchly is at 1 Mauchly, Irvine, in Irvine, California 92618. Its coordinates are 33.65320, -117.73523 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is 1 Mauchly and when was it built?
1 Mauchly has 64,466 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1987 as its year built. It is classed as office.
Is 1 Mauchly 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, “1 Mauchly, Irvine, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/1-mauchly-ccfc0ad9 (data as of July 9, 2026).