150 S COMMONWEALTH AVE

How does 150 S COMMONWEALTH AVE compare with other senior living community buildings in Los Angeles?

The latest disclosures cover 32 senior living community buildings in Los Angeles, out of 11,498 buildings citywide. 150 S COMMONWEALTH AVE's ENERGY STAR score of 97 compares with an average of 77 across the 31 that report a score; it scores higher than 74% of them and lower than 23%. Its site EUI of 73.3 kBtu/ft² is roughly in line with the average of 78.2 kBtu/ft² — it uses less energy per square foot than the typical building in that group.

At 24,012 sq ft, it is about 68% below the average floor area of 75,333 sq ft for those buildings. It was built in 1968, 16 years earlier than the group's average year built (1984). Across all 24 jurisdictions BuildingCensus covers, the 1,181 senior living community buildings average an ENERGY STAR score of 71 and a site EUI of 73.6 kBtu/ft².

How has 150 S COMMONWEALTH AVE's energy performance changed over time?

BuildingCensus holds 8 Los Angeles disclosures for 150 S COMMONWEALTH AVE, covering report years 2018–2025. Its ENERGY STAR score went from 100 in 2023 to 97 in 2025 (-3 points); its best year on file was 2023, at 100. Site EUI moved from 63.0 kBtu/ft² (2018) to 73.3 kBtu/ft² (2025), an 16% increase. Reported emissions went from 83 tCO₂e to 96 tCO₂e over the same span (up 15%).

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. 150 S COMMONWEALTH AVE's 73.3 kBtu/ft² across 24,012 sq ft works out to about 1.8 billion Btu (516 MWh-equivalent) in 2025. Its source EUI of 122.7 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 4,984 thousand gallons of water for the year.

Which law requires 150 S COMMONWEALTH AVE to report its energy use?

150 S COMMONWEALTH 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:475315848751:2025). 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.