850 N MARIPOSA AVE

How does 850 N MARIPOSA AVE 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. 850 N MARIPOSA AVE'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 36.3 kBtu/ft² is roughly in line with the average of 37.2 kBtu/ft² — it uses less energy per square foot than the typical building in that group.

At 36,492 sq ft, it is about 40% below the average floor area of 60,540 sq ft for those buildings. It was built in 1968, 7 years earlier 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 850 N MARIPOSA AVE's energy performance changed over time?

BuildingCensus holds 8 Los Angeles disclosures for 850 N MARIPOSA AVE, covering report years 2018–2025. Its ENERGY STAR score went from 73 in 2018 to 97 in 2025 (+24 points). Site EUI moved from 40.4 kBtu/ft² (2018) to 36.3 kBtu/ft² (2025), a 10% decrease. Reported emissions went from 75 tCO₂e to 73 tCO₂e over the same span (down 3%).

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. 850 N MARIPOSA AVE's 36.3 kBtu/ft² across 36,492 sq ft works out to about 1.3 billion Btu (388 MWh-equivalent) in 2025. Its source EUI of 64.3 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 2,521 thousand gallons of water for the year.

Which law requires 850 N MARIPOSA AVE to report its energy use?

850 N MARIPOSA AVE 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:471232853859:2025). 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.