12793 MERCER ST

How does 12793 MERCER ST compare with other multifamily housing buildings in Los Angeles?

The latest disclosures cover 3,538 multifamily housing buildings in Los Angeles, out of 11,498 buildings citywide. 12793 MERCER ST's ENERGY STAR score of 97 compares with an average of 78 across the 3,344 that report a score; it scores higher than 75% of them and lower than 22%. Its site EUI of 24.4 kBtu/ft² is about 34% below the average of 37.2 kBtu/ft² — it uses less energy per square foot than the typical building in that group.

At 55,326 sq ft, it is roughly in line with the average floor area of 60,540 sq ft for those buildings. It was built in 1998, 23 years later than the group's average year built (1975). 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 12793 MERCER ST's energy performance changed over time?

BuildingCensus holds 9 Los Angeles disclosures for 12793 MERCER ST, covering report years 2017–2025. Its ENERGY STAR score was 97 in both 2017 and 2025. Site EUI moved from 26.5 kBtu/ft² (2017) to 24.4 kBtu/ft² (2025), a 8% decrease. Reported emissions went from 99 tCO₂e to 75 tCO₂e over the same span (down 24%).

What does an ENERGY STAR score of 97 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 97 means the building performs better than about 97% of its national peers. BuildingCensus bands the score into report-card grades; 97 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 Los Angeles, 63% 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. 12793 MERCER ST's 24.4 kBtu/ft² across 55,326 sq ft works out to about 1.3 billion Btu (396 MWh-equivalent) in 2025. Its source EUI of 52.6 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 2,668 thousand gallons of water for the year.

Which law requires 12793 MERCER ST to report its energy use?

12793 MERCER ST reports under LA Municipal Code Div. 97, §91.9701 (EBEWE), the legal basis of Los Angeles's Existing Buildings Energy & Water Efficiency (EBEWE) program, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2025 disclosure (source record la:437098923293:2025). EBEWE requires annual benchmarking plus audits/retro-commissioning every five years for privately owned buildings of 20,000 sq ft or more; non-compliance carries a $202 fee (LAMC §91.9712) plus possible late fees.