BuildingCensus
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15131 Alton Parkway

Office in California, CA · 15131 Alton Parkway, Irvine · 92618

At a glance

15131 Alton Parkway is a 189,500-square-foot office building at 15131 Alton Parkway, Irvine in Irvine, California, built in 2018. In its 2018 California benchmarking disclosure it reported a site energy-use intensity of 12.8 kBtu/ft² and 171 tCO₂e of greenhouse-gas emissions.

ENERGY STAR score
—
not reported · 2018
Site EUI
12.8
kBtu/ft²
GHG emissions
171
tCO₂e
GHG intensity
0.9
kgCO₂e/ft²
Floor area
189,500
sq ft
Year built
2018
vintage
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85–10070–8455–691–54
This entry + 6 nearby

AB 802 (Public Resources Code §25402.10) · reporting year 2018

Benchmarking record

FieldValue
ENERGY STAR score—
Site EUI12.8 kBtu/ft²
Source EUI—
GHG emissions171 tCO₂e
GHG intensity0.9 kgCO₂e/ft²
Electricity710,671 kWh
Gross floor area189,500 sq ft
Source recordcalifornia:7104710:2018

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.

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Ownership

No owning organisation shown. Names of private individuals in the disclosure are not published here.

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Location

Address
15131 Alton Parkway, Irvine
State
California
ZIP
92618
Coordinates
33.65018, -117.72896

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in California · biggest emitters

How does 15131 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 12.8 kBtu/ft² is about 77% 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 0.9 kgCO₂e/ft² is about 75% below the group average of 3.6 kgCO₂e/ft².

At 189,500 sq ft, it is about 25% above the average floor area of 151,937 sq ft for those buildings. It was built in 2018, 33 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 12.8 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. 15131 Alton Parkway's 12.8 kBtu/ft² across 189,500 sq ft works out to about 2.4 billion Btu (711 MWh-equivalent) in 2018. The disclosure also reports 710,671 kWh of electricity for the year.

Which law requires 15131 Alton Parkway to report its energy use?

15131 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:7104710:2018). 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

Frequently asked questions

What is 15131 Alton Parkway's energy grade?

15131 Alton Parkway did not report an ENERGY STAR score in its 2018 disclosure, but its site energy-use intensity was 12.8 kBtu/ft².

How much energy does 15131 Alton Parkway use?

Its 2018 site energy-use intensity was 12.8 kBtu/ft² across 189,500 sq ft, including 710,671 kWh of electricity.

What are 15131 Alton Parkway's carbon emissions?

15131 Alton Parkway reported 171 tCO₂e of greenhouse-gas emissions (0.9 kgCO₂e/ft²) for 2018.

Where is 15131 Alton Parkway?

15131 Alton Parkway is at 15131 Alton Parkway, Irvine, in Irvine, California 92618. Its coordinates are 33.65018, -117.72896 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.

How big is 15131 Alton Parkway and when was it built?

15131 Alton Parkway has 189,500 sq ft of gross floor area, as reported in its 2018 disclosure. The disclosure lists 2018 as its year built. It is classed as office.

Is 15131 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).

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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, “15131 Alton Parkway, Irvine, California — 2018 benchmarking disclosure”, https://buildingcensus.com/buildings/california/15131-alton-parkway-5d261aa4 (data as of July 9, 2026).