BuildingCensus
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Ab802 3850 N. First Street

Office in California, CA · 3580 North First Street, San Jose · 95134

At a glance

Ab802 3850 N. First Street is a 89,616-square-foot office building at 3580 North First Street, San Jose in San Jose, California, built in 1981. In its 2023 California benchmarking disclosure it reported a site energy-use intensity of 254.5 kBtu/ft² and 1,541 tCO₂e of greenhouse-gas emissions.

ENERGY STAR score
—
not reported · 2023
Site EUI
254.5
kBtu/ft²
GHG emissions
1,541
tCO₂e
GHG intensity
17.2
kgCO₂e/ft²
Floor area
89,616
sq ft
Year built
1981
vintage
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85–10070–8455–691–54
This entry + 6 nearby

AB 802 (Public Resources Code §25402.10) · reporting year 2023

Benchmarking record

FieldValue
ENERGY STAR score—
Site EUI254.5 kBtu/ft²
Source EUI—
GHG emissions1,541 tCO₂e
GHG intensity17.2 kgCO₂e/ft²
Electricity5,345,012 kWh
Natural gas46,516 therms
Gross floor area89,616 sq ft
Source recordcalifornia:15144669:2023

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2023latest—254.5 kBtu/ft²1,541 tCO₂e
2022—263.5 kBtu/ft²1,541 tCO₂e
2021—249.4 kBtu/ft²1,328 tCO₂e
2020—787.2 kBtu/ft²3,980 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.

Program details →

Ownership

No owning organisation shown. Names of private individuals in the disclosure are not published here.

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Location

Address
3580 North First Street, San Jose
State
California
ZIP
95134
Coordinates
37.40880, -121.94329

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in California · biggest emitters

How does Ab802 3850 N. First Street 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 254.5 kBtu/ft² is about 351% 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 17.2 kgCO₂e/ft² is about 378% above the group average of 3.6 kgCO₂e/ft².

At 89,616 sq ft, it is about 41% below the average floor area of 151,937 sq ft for those buildings. It was built in 1981, 4 years earlier 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 Ab802 3850 N. First Street's energy performance changed over time?

BuildingCensus holds 4 California disclosures for Ab802 3850 N. First Street, covering report years 2020–2023. Site EUI moved from 787.2 kBtu/ft² (2020) to 254.5 kBtu/ft² (2023), a 68% decrease. Reported emissions went from 3,980 tCO₂e to 1,541 tCO₂e over the same span (down 61%).

What does a site EUI of 254.5 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. Ab802 3850 N. First Street's 254.5 kBtu/ft² across 89,616 sq ft works out to about 22.8 billion Btu (6,684 MWh-equivalent) in 2023. The disclosure also reports 5,345,012 kWh of electricity and 46,516 therms of natural gas for the year.

Which law requires Ab802 3850 N. First Street to report its energy use?

Ab802 3850 N. First Street 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:15144669:2023). 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

Frequently asked questions

What is Ab802 3850 N. First Street's energy grade?

Ab802 3850 N. First Street did not report an ENERGY STAR score in its 2023 disclosure, but its site energy-use intensity was 254.5 kBtu/ft².

How much energy does Ab802 3850 N. First Street use?

Its 2023 site energy-use intensity was 254.5 kBtu/ft² across 89,616 sq ft, including 5,345,012 kWh of electricity and 46,516 therms of natural gas.

What are Ab802 3850 N. First Street's carbon emissions?

Ab802 3850 N. First Street reported 1,541 tCO₂e of greenhouse-gas emissions (17.2 kgCO₂e/ft²) for 2023.

Where is Ab802 3850 N. First Street?

Ab802 3850 N. First Street is at 3580 North First Street, San Jose, in San Jose, California 95134. Its coordinates are 37.40880, -121.94329 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.

How big is Ab802 3850 N. First Street and when was it built?

Ab802 3850 N. First Street has 89,616 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1981 as its year built. It is classed as office.

Is Ab802 3850 N. First Street 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, “Ab802 3850 N. First Street, San Jose, California — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/california/ab802-3850-n-first-street-171fa14c (data as of July 9, 2026).