Miref Delta Court B, Llc
Non-Refrigerated Warehouse in California, CA · 1660 Delta Court, Hayward · 94544
At a glance
Miref Delta Court B, Llc is a 48,000-square-foot non-refrigerated warehouse at 1660 Delta Court, Hayward in Hayward, California, built in 1985. In its 2023 California benchmarking disclosure it reported an ENERGY STAR score of 30 out of 100 (grade D), a site energy-use intensity of 23.2 kBtu/ft² and 79 tCO₂e of greenhouse-gas emissions. That score is higher than 16% of the 2,227 scored non-refrigerated warehouse buildings in California.
AB 802 (Public Resources Code §25402.10) · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 30 (band D) |
| Site EUI | 23.2 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 79 tCO₂e |
| GHG intensity | 1.6 kgCO₂e/ft² |
| Electricity | 326,780 kWh |
| Gross floor area | 48,000 sq ft |
| Source record | california:26000619:2023 |
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
- 1660 Delta Court, Hayward
- City
- California
- State
- California
- ZIP
- 94544
- Coordinates
- 37.61278, -122.06382
Within ~1 km
Nearby benchmarked buildings
- Br44203-Parentscore —
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- Br44206-Wiegman Distributionscore 71
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- Hayward Business Park Iiscore —
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- Eba01710 - Union City 10score 57
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- 31281 Wiegman Rdscore 97
Non-Refrigerated Warehouse · 234,000 sq ft
See also: most efficient in California · biggest emitters
How does Miref Delta Court B, Llc compare with other non-refrigerated warehouse buildings in California?
The latest disclosures cover 2,867 non-refrigerated warehouse buildings in California, out of 40,029 buildings citywide. Miref Delta Court B, Llc's ENERGY STAR score of 30 compares with an average of 68 across the 2,227 that report a score; it scores higher than 16% of them and lower than 83%. Its site EUI of 23.2 kBtu/ft² is roughly in line with the average of 21.7 kBtu/ft². Its emissions intensity of 1.6 kgCO₂e/ft² is about 14% above the group average of 1.4 kgCO₂e/ft².
At 48,000 sq ft, it is about 72% below the average floor area of 173,929 sq ft for those buildings. Its 1985 construction date is close to the group's average year built (1988). Across all 24 jurisdictions BuildingCensus covers, the 4,723 non-refrigerated warehouse buildings average an ENERGY STAR score of 66 and a site EUI of 26.0 kBtu/ft².
What does an ENERGY STAR score of 30 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 30 means the building performs better than about 30% of its national peers. BuildingCensus bands the score into report-card grades; 30 falls in band D — lowest band (1–54). It sits 45 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. Miref Delta Court B, Llc's 23.2 kBtu/ft² across 48,000 sq ft works out to about 1.1 billion Btu (326 MWh-equivalent) in 2023. The disclosure also reports 326,780 kWh of electricity for the year.
Which law requires Miref Delta Court B, Llc to report its energy use?
Miref Delta Court B, Llc 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 2023 disclosure (source record california:26000619:2023). 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 non-refrigerated warehouse buildings in California
- 8610 Rochester Industrial· 47,022 sq ft · score 12 (D)
- 5800 Sheila Street· 46,484 sq ft · score 74 (B)
- San Gabriel Valley - Industry Centre - 17901-1711 Ajax· 45,380 sq ft · EUI 0.8 kBtu/ft²
- Us-Mtv-2690· 44,445 sq ft · score 12 (D)
- Bay Center Business Park Ii· 44,280 sq ft · score 97 (A)
- 1417 South Eastman Ave, Los Angeles, Ca 90023· 43,600 sq ft · score 1 (D)
- Non-Refrigerated Warehouse buildings in California· 2,867 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 Miref Delta Court B, Llc's energy grade?
Miref Delta Court B, Llc scores 30 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2023 California disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Miref Delta Court B, Llc use?
Its 2023 site energy-use intensity was 23.2 kBtu/ft² across 48,000 sq ft, including 326,780 kWh of electricity.
What are Miref Delta Court B, Llc's carbon emissions?
Miref Delta Court B, Llc reported 79 tCO₂e of greenhouse-gas emissions (1.6 kgCO₂e/ft²) for 2023.
Where is Miref Delta Court B, Llc?
Miref Delta Court B, Llc is at 1660 Delta Court, Hayward, in Hayward, California 94544. Its coordinates are 37.61278, -122.06382 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is Miref Delta Court B, Llc and when was it built?
Miref Delta Court B, Llc has 48,000 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1985 as its year built. It is classed as non-refrigerated warehouse.
Is Miref Delta Court B, Llc covered by AB 802 (Public Resources Code §25402.10)?
Yes — it appears in the 2023 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, “Miref Delta Court B, Llc, Hayward, California — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/california/miref-delta-court-b-llc-72708391 (data as of July 9, 2026).