3090 Alum Rock Ave
Library in San José, CA · 95127
At a glance
3090 Alum Rock Ave is a 26,000-square-foot library in San José, California, built in 2006. In its 2024 San José benchmarking disclosure it reported a site energy-use intensity of 84.7 kBtu/ft² and 109 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 | 84.7 kBtu/ft² |
| Source EUI | 142.2 kBtu/ft² |
| GHG emissions | 109 tCO₂e |
| GHG intensity | — |
| Electricity | 335,498 kWh |
| Natural gas | 10,577 therms |
| Water use | 198 kgal |
| Gross floor area | 26,000 sq ft |
| Source record | san_jose:1783-1-00:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 84.7 kBtu/ft² | 109 tCO₂e | |
| 2023 | — | 97.7 kBtu/ft² | 134 tCO₂e | |
| 2022 | — | 90.0 kBtu/ft² | 140 tCO₂e | |
| 2021 | — | 65.0 kBtu/ft² | 105 tCO₂e | |
| 2020 | — | 100.8 kBtu/ft² | — | |
| 2019 | — | 93.1 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
- 3090 Alum Rock Ave
- City
- San José
- State
- California
- ZIP
- 95127
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 3090 Alum Rock Ave compare with other library buildings in San José?
The latest disclosures cover 14 library buildings in San José, out of 1,790 buildings citywide. Its site EUI of 84.7 kBtu/ft² is about 19% above the average of 71.3 kBtu/ft² — it uses more energy per square foot than the typical building in that group.
At 26,000 sq ft, it is roughly in line with the average floor area of 24,737 sq ft for those buildings. Its 2006 construction date is close to the group's average year built (2007).
How has 3090 Alum Rock Ave's energy performance changed over time?
BuildingCensus holds 6 San José disclosures for 3090 Alum Rock Ave, covering report years 2019–2024. Site EUI moved from 93.1 kBtu/ft² (2019) to 84.7 kBtu/ft² (2024), a 9% decrease. Reported emissions went from 105 tCO₂e to 109 tCO₂e over the same span (up 4%).
What does a site EUI of 84.7 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. 3090 Alum Rock Ave's 84.7 kBtu/ft² across 26,000 sq ft works out to about 2.2 billion Btu (645 MWh-equivalent) in 2024. Its source EUI of 142.2 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 335,498 kWh of electricity, 10,577 therms of natural gas and 198 thousand gallons of water for the year.
Which law requires 3090 Alum Rock Ave to report its energy use?
3090 Alum Rock 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:1783-1-00:2024). San José's BPO requires buildings over 20,000 sq ft to benchmark annually and complete beyond-benchmarking performance improvements on a rolling schedule.
More library buildings in San José
- 880 Tully Rd· 24,000 sq ft · EUI 94.4 kBtu/ft²
- 1450 Blossom Hill Rd· 24,000 sq ft · EUI 93.9 kBtu/ft²
- 2635 Aborn Rd· 22,000 sq ft · EUI 56.7 kBtu/ft²
- 101 Branham Ln E· 22,000 sq ft · EUI 49.4 kBtu/ft²
- 290 International Cir· 22,000 sq ft · EUI 54.2 kBtu/ft²
- 1600 Hopkins Dr· 21,000 sq ft · EUI 96.4 kBtu/ft²
- All San José benchmarked buildings· San José Municipal Code Ch. 17.85 (Energy and Water Building Performance Ordinance)
- Most efficient large buildings in San José
- Least efficient large buildings in San José
- Biggest emitters in San José
Frequently asked questions
What is 3090 Alum Rock Ave's energy grade?
3090 Alum Rock Ave did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 84.7 kBtu/ft².
How much energy does 3090 Alum Rock Ave use?
Its 2024 site energy-use intensity was 84.7 kBtu/ft² (142.2 kBtu/ft² source) across 26,000 sq ft, including 335,498 kWh of electricity and 10,577 therms of natural gas.
What are 3090 Alum Rock Ave's carbon emissions?
3090 Alum Rock Ave reported 109 tCO₂e of greenhouse-gas emissions for 2024.
Where is 3090 Alum Rock Ave?
3090 Alum Rock Ave is in San José, California 95127.
How big is 3090 Alum Rock Ave and when was it built?
3090 Alum Rock Ave has 26,000 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2006 as its year built. It is classed as library.
Is 3090 Alum Rock 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, “3090 Alum Rock Ave, San José, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/san-jose/3090-alum-rock-ave-ae49c100 (data as of July 9, 2026).