2535 North First Street

How does 2535 North First Street compare with other office buildings in San José?

The latest disclosures cover 408 office buildings in San José, out of 1,790 buildings citywide. Its site EUI of 21.5 kBtu/ft² is about 67% below the average of 64.9 kBtu/ft² — it uses less energy per square foot than the typical building in that group.

At 60,667 sq ft, it is about 37% below the average floor area of 95,555 sq ft for those buildings. Its 1984 construction date is close to the group's average year built (1986). Across all 24 jurisdictions BuildingCensus covers, the 15,264 office buildings average an ENERGY STAR score of 73 and a site EUI of 59.3 kBtu/ft².

How has 2535 North First Street's energy performance changed over time?

BuildingCensus holds 7 San José disclosures for 2535 North First Street, covering report years 2018–2024. Its ENERGY STAR score went from 55 in 2018 to 19 in 2019 (-36 points); its best year on file was 2018, at 55. Site EUI moved from 96.9 kBtu/ft² (2018) to 21.5 kBtu/ft² (2024), a 78% decrease. Reported emissions went from 375 tCO₂e to 87 tCO₂e over the same span (down 77%).

What does a site EUI of 21.5 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. 2535 North First Street's 21.5 kBtu/ft² across 60,667 sq ft works out to about 1.3 billion Btu (382 MWh-equivalent) in 2024. Its source EUI of 60.3 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 382,793 kWh of electricity, 0 therms of natural gas and 1,142 thousand gallons of water for the year.

Which law requires 2535 North First Street to report its energy use?

2535 North First 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:0210-0-02:2024). San José's BPO requires buildings over 20,000 sq ft to benchmark annually and complete beyond-benchmarking performance improvements on a rolling schedule.