BuildingCensus
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Hanyon Holding, Inc.

Other in California, CA · 17661 Cowan, Irvine · 92614

At a glance

Hanyon Holding, Inc. is a 63,480-square-foot other building at 17661 Cowan, Irvine in Irvine, California, built in 1981. In its 2024 California benchmarking disclosure it reported a site energy-use intensity of 20.9 kBtu/ft² and 84 tCO₂e of greenhouse-gas emissions.

ENERGY STAR score
—
not reported · 2024
Site EUI
20.9
kBtu/ft²
GHG emissions
84
tCO₂e
GHG intensity
1.3
kgCO₂e/ft²
Floor area
63,480
sq ft
Year built
1981
vintage
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85–10070–8455–691–54
This entry + 6 nearby

AB 802 (Public Resources Code §25402.10) · reporting year 2024

Benchmarking record

FieldValue
ENERGY STAR score—
Site EUI20.9 kBtu/ft²
Source EUI—
GHG emissions84 tCO₂e
GHG intensity1.3 kgCO₂e/ft²
Electricity372,908 kWh
Gross floor area63,480 sq ft
Source recordcalifornia:21309870:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest—20.9 kBtu/ft²84 tCO₂e
2023—16.3 kBtu/ft²74 tCO₂e
2022—18.2 kBtu/ft²83 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.

Program details →

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
17661 Cowan, Irvine
State
California
ZIP
92614
Coordinates
33.69398, -117.85590

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in California · biggest emitters

How does Hanyon Holding, Inc. compare with other other buildings in California?

The latest disclosures cover 773 other buildings in California, out of 40,029 buildings citywide. Its site EUI of 20.9 kBtu/ft² is about 64% below the average of 58.3 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 1.3 kgCO₂e/ft² is about 62% below the group average of 3.5 kgCO₂e/ft².

At 63,480 sq ft, it is about 88% below the average floor area of 511,890 sq ft for those buildings. It was built in 1981, 8 years later than the group's average year built (1973). Across all 24 jurisdictions BuildingCensus covers, the 1,327 other buildings average an ENERGY STAR score of 60 and a site EUI of 63.3 kBtu/ft².

How has Hanyon Holding, Inc.'s energy performance changed over time?

BuildingCensus holds 3 California disclosures for Hanyon Holding, Inc., covering report years 2022–2024. Site EUI moved from 18.2 kBtu/ft² (2022) to 20.9 kBtu/ft² (2024), an 15% increase. Reported emissions went from 83 tCO₂e to 84 tCO₂e over the same span (up 2%).

What does a site EUI of 20.9 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. Hanyon Holding, Inc.'s 20.9 kBtu/ft² across 63,480 sq ft works out to about 1.3 billion Btu (389 MWh-equivalent) in 2024. The disclosure also reports 372,908 kWh of electricity for the year.

Which law requires Hanyon Holding, Inc. to report its energy use?

Hanyon Holding, Inc. 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:21309870:2024). 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 other buildings in California

Frequently asked questions

What is Hanyon Holding, Inc.'s energy grade?

Hanyon Holding, Inc. did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 20.9 kBtu/ft².

How much energy does Hanyon Holding, Inc. use?

Its 2024 site energy-use intensity was 20.9 kBtu/ft² across 63,480 sq ft, including 372,908 kWh of electricity.

What are Hanyon Holding, Inc.'s carbon emissions?

Hanyon Holding, Inc. reported 84 tCO₂e of greenhouse-gas emissions (1.3 kgCO₂e/ft²) for 2024.

Where is Hanyon Holding, Inc.?

Hanyon Holding, Inc. is at 17661 Cowan, Irvine, in Irvine, California 92614. Its coordinates are 33.69398, -117.85590 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.

How big is Hanyon Holding, Inc. and when was it built?

Hanyon Holding, Inc. has 63,480 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1981 as its year built. It is classed as other.

Is Hanyon Holding, Inc. 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, “Hanyon Holding, Inc., Irvine, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/hanyon-holding-inc-7b79fa50 (data as of July 9, 2026).