Westridge Executive Plaza
Office in California, CA · 26650 The Old Road, Valencia · 91381
At a glance
Westridge Executive Plaza is a 64,564-square-foot office building at 26650 The Old Road, Valencia in Valencia, California, built in 2004. In its 2019 California benchmarking disclosure it reported an ENERGY STAR score of 46 out of 100 (grade D), a site energy-use intensity of 73.7 kBtu/ft² and 291 tCO₂e of greenhouse-gas emissions. That score is higher than 14% of the 4,912 scored office buildings in California.
AB 802 (Public Resources Code §25402.10) · reporting year 2019
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 46 (band D) |
| Site EUI | 73.7 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 291 tCO₂e |
| GHG intensity | 4.5 kgCO₂e/ft² |
| Electricity | 861,958 kWh |
| Natural gas | 18,036 therms |
| Gross floor area | 64,564 sq ft |
| Source record | california:6365495:2019 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2019latest | 46 | +4 | 73.7 kBtu/ft² | 291 tCO₂e |
| 2018 | 42 | 75.5 kBtu/ft² | 314 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.
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Location
- Address
- 26650 The Old Road, Valencia
- City
- California
- State
- California
- ZIP
- 91381
- Coordinates
- 34.40689, -118.57824
Within ~1 km
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How does Westridge Executive Plaza compare with other office buildings in California?
The latest disclosures cover 6,214 office buildings in California, out of 40,029 buildings citywide. Westridge Executive Plaza's ENERGY STAR score of 46 compares with an average of 75 across the 4,912 that report a score; it scores higher than 14% of them and lower than 86%. Its site EUI of 73.7 kBtu/ft² is about 31% above the average of 56.4 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 4.5 kgCO₂e/ft² is about 25% above the group average of 3.6 kgCO₂e/ft².
At 64,564 sq ft, it is about 58% below the average floor area of 151,937 sq ft for those buildings. It was built in 2004, 19 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.
How has Westridge Executive Plaza's energy performance changed over time?
BuildingCensus holds 2 California disclosures for Westridge Executive Plaza, covering report years 2018–2019. Its ENERGY STAR score went from 42 in 2018 to 46 in 2019 (+4 points). Site EUI moved from 75.5 kBtu/ft² (2018) to 73.7 kBtu/ft² (2019), a 2% decrease. Reported emissions went from 314 tCO₂e to 291 tCO₂e over the same span (down 7%).
What does an ENERGY STAR score of 46 mean?
ENERGY STAR scores run from 1 to 100 and are computed by the EPA's Portfolio Manager as a percentile against similar buildings nationwide, adjusted for climate, size and use: a score of 46 means the building performs better than about 46% of its national peers. BuildingCensus bands the score into report-card grades; 46 falls in band D — lowest band (1–54). It sits 29 points below 75, the threshold for ENERGY STAR certification. In California, 65% of scored buildings are at 75 or above.
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. Westridge Executive Plaza's 73.7 kBtu/ft² across 64,564 sq ft works out to about 4.8 billion Btu (1,395 MWh-equivalent) in 2019. The disclosure also reports 861,958 kWh of electricity and 18,036 therms of natural gas for the year.
Which law requires Westridge Executive Plaza to report its energy use?
Westridge Executive Plaza 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 2019 disclosure (source record california:6365495:2019). 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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Frequently asked questions
What is Westridge Executive Plaza's energy grade?
Westridge Executive Plaza scores 46 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2019 California disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Westridge Executive Plaza use?
Its 2019 site energy-use intensity was 73.7 kBtu/ft² across 64,564 sq ft, including 861,958 kWh of electricity and 18,036 therms of natural gas.
What are Westridge Executive Plaza's carbon emissions?
Westridge Executive Plaza reported 291 tCO₂e of greenhouse-gas emissions (4.5 kgCO₂e/ft²) for 2019.
Where is Westridge Executive Plaza?
Westridge Executive Plaza is at 26650 The Old Road, Valencia, in Valencia, California 91381. Its coordinates are 34.40689, -118.57824 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is Westridge Executive Plaza and when was it built?
Westridge Executive Plaza has 64,564 sq ft of gross floor area, as reported in its 2019 disclosure. The disclosure lists 2004 as its year built. It is classed as office.
Is Westridge Executive Plaza covered by AB 802 (Public Resources Code §25402.10)?
Yes — it appears in the 2019 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, “Westridge Executive Plaza, Valencia, California — 2019 benchmarking disclosure”, https://buildingcensus.com/buildings/california/westridge-executive-plaza-bf4e4dc1 (data as of July 9, 2026).