2520 Junction Ave
Other - Technology/Science in San José, CA · 95134
At a glance
2520 Junction Ave is a 34,282-square-foot other - technology/science building in San José, California, built in 1984. In its 2024 San José benchmarking disclosure it reported a site energy-use intensity of 303.2 kBtu/ft² and 676 tCO₂e of greenhouse-gas emissions.
San José Municipal Code Ch. 17.85 (Energy and Water Building Performance Ordinance) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 303.2 kBtu/ft² |
| Source EUI | 794.1 kBtu/ft² |
| GHG emissions | 676 tCO₂e |
| GHG intensity | — |
| Electricity | 2,731,081 kWh |
| Natural gas | 10,772 therms |
| Water use | 352 kgal |
| Gross floor area | 34,282 sq ft |
| Source record | san_jose:0283-0-00:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 303.2 kBtu/ft² | 676 tCO₂e | |
| 2023 | — | 374.0 kBtu/ft² | 856 tCO₂e | |
| 2022 | — | 423.2 kBtu/ft² | 933 tCO₂e | |
| 2021 | 1 | ±0 | 388.5 kBtu/ft² | — |
| 2020 | 1 | ±0 | 361.9 kBtu/ft² | — |
| 2019 | 1 | -99 | 345.3 kBtu/ft² | — |
| 2018 | 100 | 10.4 kBtu/ft² | — |
Compliance context
San José Municipal Code Ch. 17.85 (Energy and Water Building Performance Ordinance)
San José's BPO requires buildings over 20,000 sq ft to benchmark annually and complete beyond-benchmarking performance improvements on a rolling schedule.
Ownership
No owning organisation shown. Names of private individuals in the disclosure are not published here.
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Location
- Address
- 2520 Junction Ave
- City
- San José
- State
- California
- ZIP
- 95134
Within ~1 km
Nearby benchmarked buildings
This source publishes no coordinates, so nearby buildings can't be resolved yet.
See also: most efficient in San José · biggest emitters
How does 2520 Junction Ave compare with other other - technology/science buildings in San José?
The latest disclosures cover 17 other - technology/science buildings in San José, out of 1,790 buildings citywide. Its site EUI of 303.2 kBtu/ft² is about 49% above the average of 203.3 kBtu/ft² — it uses more energy per square foot than the typical building in that group.
At 34,282 sq ft, it is about 76% below the average floor area of 140,944 sq ft for those buildings. It was built in 1984, 8 years earlier than the group's average year built (1992). Across all 24 jurisdictions BuildingCensus covers, the 136 other - technology/science buildings average an ENERGY STAR score of 21 and a site EUI of 150.2 kBtu/ft².
How has 2520 Junction Ave's energy performance changed over time?
BuildingCensus holds 7 San José disclosures for 2520 Junction Ave, covering report years 2018–2024. Its ENERGY STAR score went from 100 in 2018 to 1 in 2021 (-99 points); its best year on file was 2018, at 100. Site EUI moved from 10.4 kBtu/ft² (2018) to 303.2 kBtu/ft² (2024), an 2815% increase. Reported emissions went from 933 tCO₂e to 676 tCO₂e over the same span (down 28%).
What does a site EUI of 303.2 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. 2520 Junction Ave's 303.2 kBtu/ft² across 34,282 sq ft works out to about 10.4 billion Btu (3,046 MWh-equivalent) in 2024. Its source EUI of 794.1 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 2,731,081 kWh of electricity, 10,772 therms of natural gas and 352 thousand gallons of water for the year.
Which law requires 2520 Junction Ave to report its energy use?
2520 Junction 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:0283-0-00:2024). San José's BPO requires buildings over 20,000 sq ft to benchmark annually and complete beyond-benchmarking performance improvements on a rolling schedule.
More other - technology/science buildings in San José
Frequently asked questions
What is 2520 Junction Ave's energy grade?
2520 Junction Ave did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 303.2 kBtu/ft².
How much energy does 2520 Junction Ave use?
Its 2024 site energy-use intensity was 303.2 kBtu/ft² (794.1 kBtu/ft² source) across 34,282 sq ft, including 2,731,081 kWh of electricity and 10,772 therms of natural gas.
What are 2520 Junction Ave's carbon emissions?
2520 Junction Ave reported 676 tCO₂e of greenhouse-gas emissions for 2024.
Where is 2520 Junction Ave?
2520 Junction Ave is in San José, California 95134.
How big is 2520 Junction Ave and when was it built?
2520 Junction Ave has 34,282 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1984 as its year built. It is classed as other - technology/science.
Is 2520 Junction Ave covered by San José Municipal Code Ch. 17.85 (Energy and Water Building Performance Ordinance)?
Yes — it appears in the 2024 Energy and Water Building Performance Ordinance disclosure, which lists the buildings reporting under San José Municipal Code Ch. 17.85 (Energy and Water Building Performance Ordinance).
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About this data
Source: Energy and Water Building Performance Ordinance (San José Municipal Code Ch. 17.85 (Energy and Water Building Performance Ordinance)), as published July 9, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “2520 Junction Ave, San José, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/san-jose/2520-junction-ave-2f6e82ba (data as of July 9, 2026).