Costco #00447 Santa Clarita
Supermarket/Grocery Store in California, CA · 18649 Via Princessa, Santa Clarita · 91387
At a glance
Costco #00447 Santa Clarita is a 123,978-square-foot supermarket/grocery store at 18649 Via Princessa, Santa Clarita in Santa Clarita, California, built in 1992. In its 2024 California benchmarking disclosure it reported an ENERGY STAR score of 62 out of 100 (grade C), a site energy-use intensity of 139.7 kBtu/ft² and 1,132 tCO₂e of greenhouse-gas emissions. That score is higher than 18% of the 866 scored supermarket/grocery store buildings in California.
AB 802 (Public Resources Code §25402.10) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 62 (band C) |
| Site EUI | 139.7 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 1,132 tCO₂e |
| GHG intensity | 9.1 kgCO₂e/ft² |
| Electricity | 4,022,701 kWh |
| Natural gas | 41,547 therms |
| Gross floor area | 123,978 sq ft |
| Source record | california:6344160:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 62 | -24 | 139.7 kBtu/ft² | 1,132 tCO₂e |
| 2023 | 86 | +5 | 147.3 kBtu/ft² | 1,224 tCO₂e |
| 2022 | 81 | +1 | 139.3 kBtu/ft² | 1,141 tCO₂e |
| 2021 | 80 | +2 | 137.6 kBtu/ft² | 1,006 tCO₂e |
| 2019 | 78 | -5 | 145.3 kBtu/ft² | 1,137 tCO₂e |
| 2018 | 83 | 145.8 kBtu/ft² | 1,211 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
- 18649 Via Princessa, Santa Clarita
- City
- California
- State
- California
- ZIP
- 91387
- Coordinates
- 34.40362, -118.46009
Within ~1 km
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See also: most efficient in California · biggest emitters
How does Costco #00447 Santa Clarita compare with other supermarket/grocery store buildings in California?
The latest disclosures cover 975 supermarket/grocery store buildings in California, out of 40,029 buildings citywide. Costco #00447 Santa Clarita's ENERGY STAR score of 62 compares with an average of 74 across the 866 that report a score; it scores higher than 18% of them and lower than 81%. Its site EUI of 139.7 kBtu/ft² is about 15% below the average of 164.4 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 9.1 kgCO₂e/ft² is about 12% below the group average of 10.4 kgCO₂e/ft².
At 123,978 sq ft, it is about 62% above the average floor area of 76,560 sq ft for those buildings. It was built in 1992, 4 years earlier than the group's average year built (1996). Across all 24 jurisdictions BuildingCensus covers, the 1,646 supermarket/grocery store buildings average an ENERGY STAR score of 71 and a site EUI of 176.1 kBtu/ft².
How has Costco #00447 Santa Clarita's energy performance changed over time?
BuildingCensus holds 6 California disclosures for Costco #00447 Santa Clarita, covering report years 2018, 2019, 2021, 2022, 2023, 2024. Its ENERGY STAR score went from 83 in 2018 to 62 in 2024 (-21 points); its best year on file was 2023, at 86. Site EUI moved from 145.8 kBtu/ft² (2018) to 139.7 kBtu/ft² (2024), a 4% decrease. Reported emissions went from 1,211 tCO₂e to 1,132 tCO₂e over the same span (down 7%).
What does an ENERGY STAR score of 62 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 62 means the building performs better than about 62% of its national peers. BuildingCensus bands the score into report-card grades; 62 falls in band C — below median (55–69). It sits 13 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. Costco #00447 Santa Clarita's 139.7 kBtu/ft² across 123,978 sq ft works out to about 17.3 billion Btu (5,076 MWh-equivalent) in 2024. The disclosure also reports 4,022,701 kWh of electricity and 41,547 therms of natural gas for the year.
Which law requires Costco #00447 Santa Clarita to report its energy use?
Costco #00447 Santa Clarita 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:6344160:2024). 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 supermarket/grocery store buildings in California
- Costco #00564 Hawthorne Bd· 123,093 sq ft · score 80 (B)
- Costco #00453 Fairfield· 122,542 sq ft · score 66 (C)
- Costco #00133 Redding· 122,422 sq ft · score 87 (A)
- Costco #00028 Laguna Niguel· 121,771 sq ft · score 71 (B)
- Costco #00125 Eureka· 121,202 sq ft · score 72 (B)
- Costco #00147 Foster City· 121,058 sq ft · score 67 (C)
- Supermarket/Grocery Store buildings in California· 975 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 Costco #00447 Santa Clarita's energy grade?
Costco #00447 Santa Clarita scores 62 out of 100 on ENERGY STAR — band C, below median (55–69) — in its 2024 California disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Costco #00447 Santa Clarita use?
Its 2024 site energy-use intensity was 139.7 kBtu/ft² across 123,978 sq ft, including 4,022,701 kWh of electricity and 41,547 therms of natural gas.
What are Costco #00447 Santa Clarita's carbon emissions?
Costco #00447 Santa Clarita reported 1,132 tCO₂e of greenhouse-gas emissions (9.1 kgCO₂e/ft²) for 2024.
Where is Costco #00447 Santa Clarita?
Costco #00447 Santa Clarita is at 18649 Via Princessa, Santa Clarita, in Santa Clarita, California 91387. Its coordinates are 34.40362, -118.46009 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is Costco #00447 Santa Clarita and when was it built?
Costco #00447 Santa Clarita has 123,978 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1992 as its year built. It is classed as supermarket/grocery store.
Is Costco #00447 Santa Clarita 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, “Costco #00447 Santa Clarita, Santa Clarita, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/costco-00447-santa-clarita-2c4e354c (data as of July 9, 2026).