1900 Mccarthy
Office in California, CA · 1900 Mccarthy Boulevard, Milpitas · 95035
At a glance
1900 Mccarthy is a 80,985-square-foot office building at 1900 Mccarthy Boulevard, Milpitas in Milpitas, California, built in 1984. In its 2023 California benchmarking disclosure it reported a site energy-use intensity of 45.5 kBtu/ft² and 241 tCO₂e of greenhouse-gas emissions.
AB 802 (Public Resources Code §25402.10) · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 45.5 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 241 tCO₂e |
| GHG intensity | 3.0 kgCO₂e/ft² |
| Electricity | 682,641 kWh |
| Natural gas | 14,275 therms |
| Gross floor area | 80,985 sq ft |
| Source record | california:20659084:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | — | 45.5 kBtu/ft² | 241 tCO₂e | |
| 2022 | 70 | -16 | 48.0 kBtu/ft² | 245 tCO₂e |
| 2021 | 86 | 47.3 kBtu/ft² | 229 tCO₂e |
Compliance context
AB 802 (Public Resources Code §25402.10)
AB 802 requires every California commercial building over 50,000 sq ft to report energy use to the CEC annually; the CEC publicly discloses the results statewide.
Ownership
No owning organisation shown. Names of private individuals in the disclosure are not published here.
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Location
- Address
- 1900 Mccarthy Boulevard, Milpitas
- City
- California
- State
- California
- ZIP
- 95035
- Coordinates
- 37.39914, -121.91294
Within ~1 km
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See also: most efficient in California · biggest emitters
How does 1900 Mccarthy compare with other office buildings in California?
The latest disclosures cover 6,214 office buildings in California, out of 40,029 buildings citywide. Its site EUI of 45.5 kBtu/ft² is about 19% below the average of 56.4 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 3.0 kgCO₂e/ft² is about 17% below the group average of 3.6 kgCO₂e/ft².
At 80,985 sq ft, it is about half of the average floor area of 151,937 sq ft for those buildings. Its 1984 construction date is close to the group's average year built (1985). 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 1900 Mccarthy's energy performance changed over time?
BuildingCensus holds 3 California disclosures for 1900 Mccarthy, covering report years 2021–2023. Its ENERGY STAR score went from 86 in 2021 to 70 in 2022 (-16 points); its best year on file was 2021, at 86. Site EUI moved from 47.3 kBtu/ft² (2021) to 45.5 kBtu/ft² (2023), a 4% decrease. Reported emissions went from 229 tCO₂e to 241 tCO₂e over the same span (up 5%).
What does a site EUI of 45.5 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. 1900 Mccarthy's 45.5 kBtu/ft² across 80,985 sq ft works out to about 3.7 billion Btu (1,080 MWh-equivalent) in 2023. The disclosure also reports 682,641 kWh of electricity and 14,275 therms of natural gas for the year.
Which law requires 1900 Mccarthy to report its energy use?
1900 Mccarthy reports under AB 802 (Public Resources Code §25402.10), the legal basis of California's Building Energy Benchmarking Program (statewide), which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2023 disclosure (source record california:20659084:2023). AB 802 requires every California commercial building over 50,000 sq ft to report energy use to the CEC annually; the CEC publicly discloses the results statewide.
More office buildings in California
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- 15525 Sand Canyon Bldg E· 80,984 sq ft
- Adm/Glc 410484/15545 Sand Canyon-Bldg B/Irvine/Ca· 80,984 sq ft · score 44 (D)
- Senita Gateway Center A· 80,950 sq ft · score 85 (A)
- 3833 N 1St St - Infineon· 80,908 sq ft · score 86 (A)
- 3003 Bunker Hill Lane· 80,878 sq ft · EUI 34.3 kBtu/ft²
- Office buildings in California· 6,214 benchmarked
- All California benchmarked buildings· AB 802 (Public Resources Code §25402.10)
- Most efficient large buildings in California
- Least efficient large buildings in California
- Biggest emitters in California
Frequently asked questions
What is 1900 Mccarthy's energy grade?
1900 Mccarthy did not report an ENERGY STAR score in its 2023 disclosure, but its site energy-use intensity was 45.5 kBtu/ft².
How much energy does 1900 Mccarthy use?
Its 2023 site energy-use intensity was 45.5 kBtu/ft² across 80,985 sq ft, including 682,641 kWh of electricity and 14,275 therms of natural gas.
What are 1900 Mccarthy's carbon emissions?
1900 Mccarthy reported 241 tCO₂e of greenhouse-gas emissions (3.0 kgCO₂e/ft²) for 2023.
Where is 1900 Mccarthy?
1900 Mccarthy is at 1900 Mccarthy Boulevard, Milpitas, in Milpitas, California 95035. Its coordinates are 37.39914, -121.91294 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is 1900 Mccarthy and when was it built?
1900 Mccarthy has 80,985 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1984 as its year built. It is classed as office.
Is 1900 Mccarthy covered by AB 802 (Public Resources Code §25402.10)?
Yes — it appears in the 2023 Building Energy Benchmarking Program (statewide) disclosure, which lists the buildings reporting under AB 802 (Public Resources Code §25402.10).
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About this data
Source: Building Energy Benchmarking Program (statewide) (AB 802 (Public Resources Code §25402.10)), as published July 9, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “1900 Mccarthy, Milpitas, California — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/california/1900-mccarthy-afae3460 (data as of July 9, 2026).