Z059211 - Las Positas I Bldg B

How does Z059211 - Las Positas I Bldg B 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. Z059211 - Las Positas I Bldg B's ENERGY STAR score of 87 compares with an average of 68 across the 2,227 that report a score; it scores higher than 61% of them and lower than 37%. Its site EUI of 3.7 kBtu/ft² is about 83% below the average of 21.7 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 0.2 kgCO₂e/ft² is about 83% below the group average of 1.4 kgCO₂e/ft².

At 118,111 sq ft, it is about 32% below the average floor area of 173,929 sq ft for those buildings. Its 1986 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.

How has Z059211 - Las Positas I Bldg B's energy performance changed over time?

BuildingCensus holds 2 California disclosures for Z059211 - Las Positas I Bldg B, covering report years 2023–2024. Site EUI moved from 3.3 kBtu/ft² (2023) to 3.7 kBtu/ft² (2024), an 12% increase. Reported emissions went from 28 tCO₂e to 29 tCO₂e over the same span (up 4%).

What does an ENERGY STAR score of 87 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 87 means the building performs better than about 87% of its national peers. BuildingCensus bands the score into report-card grades; 87 falls in band A — high performer (85–100). Scores of 75 or higher meet the threshold for ENERGY STAR certification; certification itself is a separate, verified application that the disclosure does not record. 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. Z059211 - Las Positas I Bldg B's 3.7 kBtu/ft² across 118,111 sq ft works out to about 0.4 billion Btu (128 MWh-equivalent) in 2024. The disclosure also reports 126,880 kWh of electricity and 15 therms of natural gas for the year.

Which law requires Z059211 - Las Positas I Bldg B to report its energy use?

Z059211 - Las Positas I Bldg B 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:1770946:2024). 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.