820 North Mccarthy
Office in California, CA · 820 North Mccarthy Boulevard, Milpitas · 95035
At a glance
820 North Mccarthy is a 53,284-square-foot office building at 820 North Mccarthy Boulevard, Milpitas in Milpitas, California, built in 2001. In its 2022 California benchmarking disclosure it reported an ENERGY STAR score of 3 out of 100 (grade D), a site energy-use intensity of 182.2 kBtu/ft² and 551 tCO₂e of greenhouse-gas emissions. That score is higher than 3% of the 4,912 scored office buildings in California.
AB 802 (Public Resources Code §25402.10) · reporting year 2022
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 3 (band D) |
| Site EUI | 182.2 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 551 tCO₂e |
| GHG intensity | 10.3 kgCO₂e/ft² |
| Electricity | 689,153 kWh |
| Natural gas | 73,366 therms |
| Gross floor area | 53,284 sq ft |
| Source record | california:4713916:2022 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2022latest | 3 | 182.2 kBtu/ft² | 551 tCO₂e | |
| 2021 | — | — | — | |
| 2020 | — | — | — | |
| 2019 | 84 | +12 | 47.0 kBtu/ft² | 159 tCO₂e |
| 2018 | 72 | 62.2 kBtu/ft² | 211 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
- 820 North Mccarthy Boulevard, Milpitas
- City
- California
- State
- California
- ZIP
- 95035
- Coordinates
- 37.43792, -121.92101
Within ~1 km
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See also: most efficient in California · biggest emitters
How does 820 North Mccarthy compare with other office buildings in California?
The latest disclosures cover 6,214 office buildings in California, out of 40,029 buildings citywide. 820 North Mccarthy's ENERGY STAR score of 3 compares with an average of 75 across the 4,912 that report a score; it scores higher than 3% of them and lower than 97%. Its site EUI of 182.2 kBtu/ft² is about 223% above the average of 56.4 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 10.3 kgCO₂e/ft² is about 186% above the group average of 3.6 kgCO₂e/ft².
At 53,284 sq ft, it is about 65% below the average floor area of 151,937 sq ft for those buildings. It was built in 2001, 16 years later than 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 820 North Mccarthy's energy performance changed over time?
BuildingCensus holds 5 California disclosures for 820 North Mccarthy, covering report years 2018–2022. Its ENERGY STAR score went from 72 in 2018 to 3 in 2022 (-69 points); its best year on file was 2019, at 84. Site EUI moved from 62.2 kBtu/ft² (2018) to 182.2 kBtu/ft² (2022), an 193% increase. Reported emissions went from 211 tCO₂e to 551 tCO₂e over the same span (up 161%).
What does an ENERGY STAR score of 3 mean?
ENERGY STAR scores run from 1 to 100 and are computed by the EPA's Portfolio Manager as a percentile against similar buildings nationwide, adjusted for climate, size and use: a score of 3 means the building performs better than about 3% of its national peers. BuildingCensus bands the score into report-card grades; 3 falls in band D — lowest band (1–54). It sits 72 points below 75, the threshold for ENERGY STAR certification. In California, 65% of scored buildings are at 75 or above.
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. 820 North Mccarthy's 182.2 kBtu/ft² across 53,284 sq ft works out to about 9.7 billion Btu (2,845 MWh-equivalent) in 2022. The disclosure also reports 689,153 kWh of electricity and 73,366 therms of natural gas for the year.
Which law requires 820 North Mccarthy to report its energy use?
820 North 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 2022 disclosure (source record california:4713916:2022). 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
- 650 5Th St.· 53,277 sq ft · score 96 (A)
- Walter Bros Construction Co Inc· 53,253 sq ft · score 91 (A)
- Little Orchard - Building 3· 53,220 sq ft · score 50 (D)
- 47 Discovery· 53,220 sq ft · score 66 (C)
- 15460 Laguna Canyon Road· 53,220 sq ft · score 65 (C)
- 21171 S Western Ave· 53,218 sq ft · score 75 (B)
- 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 820 North Mccarthy's energy grade?
820 North Mccarthy scores 3 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2022 California disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 820 North Mccarthy use?
Its 2022 site energy-use intensity was 182.2 kBtu/ft² across 53,284 sq ft, including 689,153 kWh of electricity and 73,366 therms of natural gas.
What are 820 North Mccarthy's carbon emissions?
820 North Mccarthy reported 551 tCO₂e of greenhouse-gas emissions (10.3 kgCO₂e/ft²) for 2022.
Where is 820 North Mccarthy?
820 North Mccarthy is at 820 North Mccarthy Boulevard, Milpitas, in Milpitas, California 95035. Its coordinates are 37.43792, -121.92101 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is 820 North Mccarthy and when was it built?
820 North Mccarthy has 53,284 sq ft of gross floor area, as reported in its 2022 disclosure. The disclosure lists 2001 as its year built. It is classed as office.
Is 820 North Mccarthy covered by AB 802 (Public Resources Code §25402.10)?
Yes — it appears in the 2022 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, “820 North Mccarthy, Milpitas, California — 2022 benchmarking disclosure”, https://buildingcensus.com/buildings/california/820-north-mccarthy-4151d714 (data as of July 9, 2026).