3963 Workman Mill Road (Rexford Ab 802)

How does 3963 Workman Mill Road (Rexford Ab 802) compare with other distribution center buildings in California?

The latest disclosures cover 3,121 distribution center buildings in California, out of 40,029 buildings citywide. 3963 Workman Mill Road (Rexford Ab 802)'s ENERGY STAR score of 47 compares with an average of 67 across the 2,485 that report a score; it scores higher than 25% of them and lower than 74%. Its site EUI of 19.0 kBtu/ft² is roughly in line with the average of 19.8 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 1.3 kgCO₂e/ft² is roughly in line with the group average of 1.3 kgCO₂e/ft².

At 346,381 sq ft, it is about 45% above the average floor area of 238,298 sq ft for those buildings. It was built in 2005, 11 years later than the group's average year built (1994). Across all 24 jurisdictions BuildingCensus covers, the 4,082 distribution center buildings average an ENERGY STAR score of 65 and a site EUI of 24.2 kBtu/ft².

How has 3963 Workman Mill Road (Rexford Ab 802)'s energy performance changed over time?

BuildingCensus holds 5 California disclosures for 3963 Workman Mill Road (Rexford Ab 802), covering report years 2020–2024. Its ENERGY STAR score went from 81 in 2020 to 47 in 2024 (-34 points); its best year on file was 2020, at 81. Site EUI moved from 6.8 kBtu/ft² (2020) to 19.0 kBtu/ft² (2024), an 179% increase. Reported emissions went from 157 tCO₂e to 447 tCO₂e over the same span (up 184%).

What does an ENERGY STAR score of 47 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 47 means the building performs better than about 47% of its national peers. BuildingCensus bands the score into report-card grades; 47 falls in band D — lowest band (1–54). It sits 28 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. 3963 Workman Mill Road (Rexford Ab 802)'s 19.0 kBtu/ft² across 346,381 sq ft works out to about 6.6 billion Btu (1,929 MWh-equivalent) in 2024. The disclosure also reports 1,972,120 kWh of electricity for the year.

Which law requires 3963 Workman Mill Road (Rexford Ab 802) to report its energy use?

3963 Workman Mill Road (Rexford Ab 802) 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:14112506:2024). 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.