Oak Park (Kp013)

How does Oak Park (Kp013) compare with other multifamily housing buildings in California?

The latest disclosures cover 10,630 multifamily housing buildings in California, out of 40,029 buildings citywide. Oak Park (Kp013)'s ENERGY STAR score of 82 compares with an average of 82 across the 9,612 that report a score; it scores higher than 34% of them and lower than 65%. Its site EUI of 44.7 kBtu/ft² is about 30% above the average of 34.4 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 2.7 kgCO₂e/ft² is about 30% above the group average of 2.1 kgCO₂e/ft².

At 349,940 sq ft, it is about 132% above the average floor area of 150,919 sq ft for those buildings. Its 1989 construction date is close to the group's average year built (1988). Across all 24 jurisdictions BuildingCensus covers, the 59,945 multifamily housing buildings average an ENERGY STAR score of 70 and a site EUI of 59.0 kBtu/ft².

How has Oak Park (Kp013)'s energy performance changed over time?

BuildingCensus holds 5 California disclosures for Oak Park (Kp013), covering report years 2020–2024. Its ENERGY STAR score went from 80 in 2020 to 82 in 2024 (+2 points). Site EUI moved from 46.5 kBtu/ft² (2020) to 44.7 kBtu/ft² (2024), a 4% decrease. Reported emissions went from 995 tCO₂e to 956 tCO₂e over the same span (down 4%).

What does an ENERGY STAR score of 82 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 82 means the building performs better than about 82% of its national peers. BuildingCensus bands the score into report-card grades; 82 falls in band B — above median (70–84). 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. Oak Park (Kp013)'s 44.7 kBtu/ft² across 349,940 sq ft works out to about 15.6 billion Btu (4,584 MWh-equivalent) in 2024. The disclosure also reports 2,200,486 kWh of electricity and 86,174 therms of natural gas for the year.

Which law requires Oak Park (Kp013) to report its energy use?

Oak Park (Kp013) 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:15133551:2024). 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.