15161 Alton Parkway
Office in California, CA · 15161 Alton Parkway, Irvine · 92618
At a glance
15161 Alton Parkway is a 181,132-square-foot office building at 15161 Alton Parkway, Irvine in Irvine, California, built in 2017. In its 2018 California benchmarking disclosure it reported a site energy-use intensity of 7.9 kBtu/ft² and 104 tCO₂e of greenhouse-gas emissions.
AB 802 (Public Resources Code §25402.10) · reporting year 2018
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 7.9 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 104 tCO₂e |
| GHG intensity | 0.6 kgCO₂e/ft² |
| Electricity | 432,320 kWh |
| Gross floor area | 181,132 sq ft |
| Source record | california:7104887:2018 |
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
- 15161 Alton Parkway, Irvine
- City
- California
- State
- California
- ZIP
- 92618
- Coordinates
- 33.65317, -117.73259
Within ~1 km
Nearby benchmarked buildings
- 15131 Alton Parkwayscore —
Office · 189,500 sq ft
- Coh Property Holdings Oc Llcscore 91
Office · 181,092 sq ft
- 31-33 Technologyscore —
Office · 133,987 sq ft
- Irvine Spectrum (2128)score 92
Retail Store · 132,409 sq ft
- 18 Technologyscore 80
Office · 124,004 sq ft
- 16 Technologyscore 87
Office · 120,123 sq ft
See also: most efficient in California · biggest emitters
How does 15161 Alton Parkway compare with other office buildings in California?
The latest disclosures cover 6,214 office buildings in California, out of 40,029 buildings citywide. Its site EUI of 7.9 kBtu/ft² is about 86% below the average of 56.4 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 0.6 kgCO₂e/ft² is about 84% below the group average of 3.6 kgCO₂e/ft².
At 181,132 sq ft, it is about 19% above the average floor area of 151,937 sq ft for those buildings. It was built in 2017, 32 years later than 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.
What does a site EUI of 7.9 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. 15161 Alton Parkway's 7.9 kBtu/ft² across 181,132 sq ft works out to about 1.4 billion Btu (419 MWh-equivalent) in 2018. The disclosure also reports 432,320 kWh of electricity for the year.
Which law requires 15161 Alton Parkway to report its energy use?
15161 Alton Parkway 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 2018 disclosure (source record california:7104887:2018). 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
- Coh Property Holdings Oc Llc· 181,092 sq ft · score 91 (A)
- Oracle Pleasanton Building 2· 180,996 sq ft · score 97 (A)
- Cn470E - Ptc Building E· 180,996 sq ft
- Tasman 2· 180,926 sq ft · score 92 (A)
- Hamilton Plaza - 900· 180,776 sq ft · score 89 (A)
- 120 Vantis· 180,774 sq ft · score 75 (B)
- 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 15161 Alton Parkway's energy grade?
15161 Alton Parkway did not report an ENERGY STAR score in its 2018 disclosure, but its site energy-use intensity was 7.9 kBtu/ft².
How much energy does 15161 Alton Parkway use?
Its 2018 site energy-use intensity was 7.9 kBtu/ft² across 181,132 sq ft, including 432,320 kWh of electricity.
What are 15161 Alton Parkway's carbon emissions?
15161 Alton Parkway reported 104 tCO₂e of greenhouse-gas emissions (0.6 kgCO₂e/ft²) for 2018.
Where is 15161 Alton Parkway?
15161 Alton Parkway is at 15161 Alton Parkway, Irvine, in Irvine, California 92618. Its coordinates are 33.65317, -117.73259 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is 15161 Alton Parkway and when was it built?
15161 Alton Parkway has 181,132 sq ft of gross floor area, as reported in its 2018 disclosure. The disclosure lists 2017 as its year built. It is classed as office.
Is 15161 Alton Parkway covered by AB 802 (Public Resources Code §25402.10)?
Yes — it appears in the 2018 Building Energy Benchmarking Program (statewide) disclosure, which lists the buildings reporting under AB 802 (Public Resources Code §25402.10).
Working with California building benchmarking records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “15161 Alton Parkway, Irvine, California — 2018 benchmarking disclosure”, https://buildingcensus.com/buildings/california/15161-alton-parkway-490f6f67 (data as of July 9, 2026).