1360 Castlemont Ave

How does 1360 Castlemont Ave 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. Its site EUI of 8.3 kBtu/ft² is about 76% below the average of 35.3 kBtu/ft² — it uses less energy per square foot than the typical building in that group.

At 42,528 sq ft, it is about 73% below the average floor area of 157,540 sq ft for those buildings. It was built in 1968, 19 years earlier 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 1360 Castlemont Ave's energy performance changed over time?

BuildingCensus holds 6 San José disclosures for 1360 Castlemont Ave, covering report years 2019–2024. Site EUI moved from 59.8 kBtu/ft² (2020) to 8.3 kBtu/ft² (2024), a 86% decrease. Reported emissions went from 27 tCO₂e to 20 tCO₂e over the same span (down 28%).

What does a site EUI of 8.3 kBtu/ft² mean?

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. 1360 Castlemont Ave's 8.3 kBtu/ft² across 42,528 sq ft works out to about 0.4 billion Btu (103 MWh-equivalent) in 2024. Its source EUI of 11.7 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 21,828 kWh of electricity, 2,766 therms of natural gas and 364 thousand gallons of water for the year.

Which law requires 1360 Castlemont Ave to report its energy use?

1360 Castlemont Ave 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:1096-0-00:2024). San José's BPO requires buildings over 20,000 sq ft to benchmark annually and complete beyond-benchmarking performance improvements on a rolling schedule.