At a glance
52 E Santa Clara St is a 31,414-square-foot office building in San José, California, built in 1880. In its 2024 San José benchmarking disclosure it reported a site energy-use intensity of 46.8 kBtu/ft² and 83 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 | 46.8 kBtu/ft² |
| Source EUI | 114.0 kBtu/ft² |
| GHG emissions | 83 tCO₂e |
| GHG intensity | — |
| Electricity | 341,005 kWh |
| Natural gas | 3,075 therms |
| Water use | 977 kgal |
| Gross floor area | 31,414 sq ft |
| Source record | san_jose:1576-0-00:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 46.8 kBtu/ft² | 83 tCO₂e | |
| 2023 | — | 34.9 kBtu/ft² | 77 tCO₂e | |
| 2022 | — | 45.4 kBtu/ft² | 95 tCO₂e | |
| 2021 | — | 28.8 kBtu/ft² | 62 tCO₂e | |
| 2020 | — | 62.5 kBtu/ft² | — | |
| 2019 | — | 99.9 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
- 52 E Santa Clara St
- City
- San José
- State
- California
- ZIP
- 95113
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 52 E Santa Clara St 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 46.8 kBtu/ft² is about 28% below the average of 64.9 kBtu/ft² — it uses less energy per square foot than the typical building in that group.
At 31,414 sq ft, it is about 67% below the average floor area of 95,555 sq ft for those buildings. It was built in 1880, 106 years earlier than 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 52 E Santa Clara St's energy performance changed over time?
BuildingCensus holds 6 San José disclosures for 52 E Santa Clara St, covering report years 2019–2024. Site EUI moved from 99.9 kBtu/ft² (2019) to 46.8 kBtu/ft² (2024), a 53% decrease. Reported emissions went from 62 tCO₂e to 83 tCO₂e over the same span (up 33%).
What does a site EUI of 46.8 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. 52 E Santa Clara St's 46.8 kBtu/ft² across 31,414 sq ft works out to about 1.5 billion Btu (431 MWh-equivalent) in 2024. Its source EUI of 114.0 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 341,005 kWh of electricity, 3,075 therms of natural gas and 977 thousand gallons of water for the year.
Which law requires 52 E Santa Clara St to report its energy use?
52 E Santa Clara St 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:1576-0-00:2024). 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 office buildings in San José
- 2670 S White Rd· 30,992 sq ft · score 80 (B)
- 1155 N 1St St· 30,720 sq ft · EUI 21.7 kBtu/ft²
- 23 Las Colinas Ln· 30,720 sq ft · score 98 (A)
- 2690 S White· 30,692 sq ft · score 57 (C)
- 95 W Santa Clara St· 30,498 sq ft
- 1920 Zanker Rd· 30,165 sq ft · score 3 (D)
- Office buildings in San José· 408 benchmarked
- 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 52 E Santa Clara St's energy grade?
52 E Santa Clara St did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 46.8 kBtu/ft².
How much energy does 52 E Santa Clara St use?
Its 2024 site energy-use intensity was 46.8 kBtu/ft² (114.0 kBtu/ft² source) across 31,414 sq ft, including 341,005 kWh of electricity and 3,075 therms of natural gas.
What are 52 E Santa Clara St's carbon emissions?
52 E Santa Clara St reported 83 tCO₂e of greenhouse-gas emissions for 2024.
Where is 52 E Santa Clara St?
52 E Santa Clara St is in San José, California 95113.
How big is 52 E Santa Clara St and when was it built?
52 E Santa Clara St has 31,414 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1880 as its year built. It is classed as office.
Is 52 E Santa Clara St 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, “52 E Santa Clara St, San José, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/san-jose/52-e-santa-clara-st-d2313666 (data as of July 9, 2026).