1535 W. San Carlos Street

How does 1535 W. San Carlos Street compare with other multifamily housing buildings in San José?

The latest disclosures cover 476 multifamily housing buildings in San José, out of 1,790 buildings citywide. 1535 W. San Carlos Street's ENERGY STAR score of 72 compares with an average of 86 across the 435 that report a score; it scores higher than 14% of them and lower than 86%. Its site EUI of 38.5 kBtu/ft² is roughly in line with the average of 35.3 kBtu/ft².

At 58,940 sq ft, it is about 63% below the average floor area of 157,540 sq ft for those buildings. It was built in 2014, 27 years later than the group's average year built (1987). 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 1535 W. San Carlos Street's energy performance changed over time?

BuildingCensus holds 7 San José disclosures for 1535 W. San Carlos Street, covering report years 2018–2024. Its ENERGY STAR score went from 63 in 2019 to 72 in 2024 (+9 points). Site EUI moved from 39.2 kBtu/ft² (2019) to 38.5 kBtu/ft² (2024), a 2% decrease. Reported emissions went from 148 tCO₂e to 138 tCO₂e over the same span (down 7%).

What does an ENERGY STAR score of 72 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 72 means the building performs better than about 72% of its national peers. BuildingCensus bands the score into report-card grades; 72 falls in band B — above median (70–84). It sits 3 points below 75, the threshold for ENERGY STAR certification. In San José, 69% 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. 1535 W. San Carlos Street's 38.5 kBtu/ft² across 58,940 sq ft works out to about 2.3 billion Btu (665 MWh-equivalent) in 2024. Its source EUI of 80.3 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 393,512 kWh of electricity, 9,257 therms of natural gas and 3,068 thousand gallons of water for the year.

Which law requires 1535 W. San Carlos Street to report its energy use?

1535 W. San Carlos Street reports under San José Municipal Code Ch. 17.85 (Energy and Water Building Performance Ordinance), the legal basis of San José's Energy and Water Building Performance Ordinance, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2024 disclosure (source record san_jose:1049-1-00:2024). San José's BPO requires buildings over 20,000 sq ft to benchmark annually and complete beyond-benchmarking performance improvements on a rolling schedule.