Costco #00424 Signal Hill
Supermarket/Grocery Store in California, CA · 2200 East Willow Street, Signal Hill · 90755
At a glance
Costco #00424 Signal Hill is a 137,202-square-foot supermarket/grocery store at 2200 East Willow Street, Signal Hill in Signal Hill, California, built in 1986. In its 2024 California benchmarking disclosure it reported an ENERGY STAR score of 67 out of 100 (grade C), a site energy-use intensity of 128.1 kBtu/ft² and 1,106 tCO₂e of greenhouse-gas emissions. That score is higher than 26% 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 | 67 (band C) |
| Site EUI | 128.1 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 1,106 tCO₂e |
| GHG intensity | 8.1 kgCO₂e/ft² |
| Electricity | 4,063,805 kWh |
| Natural gas | 34,975 therms |
| Gross floor area | 137,202 sq ft |
| Source record | california:6342625:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 67 | -10 | 128.1 kBtu/ft² | 1,106 tCO₂e |
| 2023 | 77 | -8 | 123.4 kBtu/ft² | 1,141 tCO₂e |
| 2022 | 85 | -1 | 124.6 kBtu/ft² | 1,128 tCO₂e |
| 2021 | 86 | +8 | 123.2 kBtu/ft² | 986 tCO₂e |
| 2019 | 78 | -1 | 138.1 kBtu/ft² | 1,212 tCO₂e |
| 2018 | 79 | 144.8 kBtu/ft² | 1,358 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.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 2200 East Willow Street, Signal Hill
- City
- California
- State
- California
- ZIP
- 90755
- Coordinates
- 33.80295, -118.16475
Within ~1 km
Nearby benchmarked buildings
- Towne Center East (Tw087)score —
Lifestyle Center · 163,067 sq ft
Strip Mall · 121,013 sq ft
- Signal Hill Town Center, Llcscore —
Office · 108,863 sq ft
- Br44266-Parentscore —
Non-Refrigerated Warehouse · 108,358 sq ft
- Br44265-Parentscore —
Non-Refrigerated Warehouse · 69,788 sq ft
- Zinnia Apartmentsscore 100
Multifamily Housing · 67,425 sq ft
See also: most efficient in California · biggest emitters
How does Costco #00424 Signal Hill 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 #00424 Signal Hill's ENERGY STAR score of 67 compares with an average of 74 across the 866 that report a score; it scores higher than 26% of them and lower than 72%. Its site EUI of 128.1 kBtu/ft² is about 22% 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 8.1 kgCO₂e/ft² is about 22% below the group average of 10.4 kgCO₂e/ft².
At 137,202 sq ft, it is about 79% above the average floor area of 76,560 sq ft for those buildings. It was built in 1986, 10 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 #00424 Signal Hill's energy performance changed over time?
BuildingCensus holds 6 California disclosures for Costco #00424 Signal Hill, covering report years 2018, 2019, 2021, 2022, 2023, 2024. Its ENERGY STAR score went from 79 in 2018 to 67 in 2024 (-12 points); its best year on file was 2021, at 86. Site EUI moved from 144.8 kBtu/ft² (2018) to 128.1 kBtu/ft² (2024), a 12% decrease. Reported emissions went from 1,358 tCO₂e to 1,106 tCO₂e over the same span (down 19%).
What does an ENERGY STAR score of 67 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 67 means the building performs better than about 67% of its national peers. BuildingCensus bands the score into report-card grades; 67 falls in band C — below median (55–69). It sits 8 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 #00424 Signal Hill's 128.1 kBtu/ft² across 137,202 sq ft works out to about 17.6 billion Btu (5,151 MWh-equivalent) in 2024. The disclosure also reports 4,063,805 kWh of electricity and 34,975 therms of natural gas for the year.
Which law requires Costco #00424 Signal Hill to report its energy use?
Costco #00424 Signal Hill 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:6342625:2024). 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 #00029 Roseville· 136,954 sq ft · score 65 (C)
- 1319 South Alvarado St· 136,793 sq ft · score 100 (A)
- Alvarado Location· 136,793 sq ft
- Costco #00782 Turlock· 136,788 sq ft · score 79 (B)
- Costco #00432 Corona· 136,758 sq ft · score 80 (B)
- Costco #00473 Chino Hills· 136,566 sq ft · score 74 (B)
- 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 #00424 Signal Hill's energy grade?
Costco #00424 Signal Hill scores 67 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 #00424 Signal Hill use?
Its 2024 site energy-use intensity was 128.1 kBtu/ft² across 137,202 sq ft, including 4,063,805 kWh of electricity and 34,975 therms of natural gas.
What are Costco #00424 Signal Hill's carbon emissions?
Costco #00424 Signal Hill reported 1,106 tCO₂e of greenhouse-gas emissions (8.1 kgCO₂e/ft²) for 2024.
Where is Costco #00424 Signal Hill?
Costco #00424 Signal Hill is at 2200 East Willow Street, Signal Hill, in Signal Hill, California 90755. Its coordinates are 33.80295, -118.16475 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is Costco #00424 Signal Hill and when was it built?
Costco #00424 Signal Hill has 137,202 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1986 as its year built. It is classed as supermarket/grocery store.
Is Costco #00424 Signal Hill 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 #00424 Signal Hill, Signal Hill, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/costco-00424-signal-hill-2a4c310d (data as of July 9, 2026).