BuildingCensus
D

Valley Oak Tech Center - 6379 San Ignacio Ave - Northrop Grumman

Office in California, CA · 6379 San Ignacio Avenue, San Jose · 95119

At a glance

Valley Oak Tech Center - 6379 San Ignacio Ave - Northrop Grumman is a 64,385-square-foot office building at 6379 San Ignacio Avenue, San Jose in San Jose, California, built in 1999. In its 2024 California benchmarking disclosure it reported an ENERGY STAR score of 16 out of 100 (grade D), a site energy-use intensity of 99.6 kBtu/ft² and 391 tCO₂e of greenhouse-gas emissions. That score is higher than 6% of the 4,912 scored office buildings in California.

ENERGY STAR score
16
band D · 2024
Site EUI
99.6
kBtu/ft²
GHG emissions
391
tCO₂e
GHG intensity
6.1
kgCO₂e/ft²
Floor area
64,385
sq ft
Year built
1999
vintage
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85–10070–8455–691–54
This entry + 6 nearby

AB 802 (Public Resources Code §25402.10) · reporting year 2024

Benchmarking record

FieldValue
ENERGY STAR score16 (band D)
Site EUI99.6 kBtu/ft²
Source EUI—
GHG emissions391 tCO₂e
GHG intensity6.1 kgCO₂e/ft²
Electricity1,140,208 kWh
Gross floor area64,385 sq ft
Source recordcalifornia:6803088:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest16-2499.6 kBtu/ft²391 tCO₂e
202340+1101.9 kBtu/ft²411 tCO₂e
20223999.3 kBtu/ft²405 tCO₂e
2021———

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
6379 San Ignacio Avenue, San Jose
State
California
ZIP
95119
Coordinates
37.23680, -121.78445

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in California · biggest emitters

How does Valley Oak Tech Center - 6379 San Ignacio Ave - Northrop Grumman compare with other office buildings in California?

The latest disclosures cover 6,214 office buildings in California, out of 40,029 buildings citywide. Valley Oak Tech Center - 6379 San Ignacio Ave - Northrop Grumman's ENERGY STAR score of 16 compares with an average of 75 across the 4,912 that report a score; it scores higher than 6% of them and lower than 94%. Its site EUI of 99.6 kBtu/ft² is about 77% 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 6.1 kgCO₂e/ft² is about 69% above the group average of 3.6 kgCO₂e/ft².

At 64,385 sq ft, it is about 58% below the average floor area of 151,937 sq ft for those buildings. It was built in 1999, 14 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 Valley Oak Tech Center - 6379 San Ignacio Ave - Northrop Grumman's energy performance changed over time?

BuildingCensus holds 4 California disclosures for Valley Oak Tech Center - 6379 San Ignacio Ave - Northrop Grumman, covering report years 2021–2024. Its ENERGY STAR score went from 39 in 2022 to 16 in 2024 (-23 points); its best year on file was 2023, at 40. Site EUI moved from 99.3 kBtu/ft² (2022) to 99.6 kBtu/ft² (2024), an 0% increase. Reported emissions went from 405 tCO₂e to 391 tCO₂e over the same span (down 3%).

What does an ENERGY STAR score of 16 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 16 means the building performs better than about 16% of its national peers. BuildingCensus bands the score into report-card grades; 16 falls in band D — lowest band (1–54). It sits 59 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. Valley Oak Tech Center - 6379 San Ignacio Ave - Northrop Grumman's 99.6 kBtu/ft² across 64,385 sq ft works out to about 6.4 billion Btu (1,879 MWh-equivalent) in 2024. The disclosure also reports 1,140,208 kWh of electricity for the year.

Which law requires Valley Oak Tech Center - 6379 San Ignacio Ave - Northrop Grumman to report its energy use?

Valley Oak Tech Center - 6379 San Ignacio Ave - Northrop Grumman 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 2024 disclosure (source record california:6803088:2024). 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 Valley Oak Tech Center - 6379 San Ignacio Ave - Northrop Grumman's energy grade?

Valley Oak Tech Center - 6379 San Ignacio Ave - Northrop Grumman scores 16 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2024 California disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does Valley Oak Tech Center - 6379 San Ignacio Ave - Northrop Grumman use?

Its 2024 site energy-use intensity was 99.6 kBtu/ft² across 64,385 sq ft, including 1,140,208 kWh of electricity.

What are Valley Oak Tech Center - 6379 San Ignacio Ave - Northrop Grumman's carbon emissions?

Valley Oak Tech Center - 6379 San Ignacio Ave - Northrop Grumman reported 391 tCO₂e of greenhouse-gas emissions (6.1 kgCO₂e/ft²) for 2024.

Where is Valley Oak Tech Center - 6379 San Ignacio Ave - Northrop Grumman?

Valley Oak Tech Center - 6379 San Ignacio Ave - Northrop Grumman is at 6379 San Ignacio Avenue, San Jose, in San Jose, California 95119. Its coordinates are 37.23680, -121.78445 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.

How big is Valley Oak Tech Center - 6379 San Ignacio Ave - Northrop Grumman and when was it built?

Valley Oak Tech Center - 6379 San Ignacio Ave - Northrop Grumman has 64,385 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1999 as its year built. It is classed as office.

Is Valley Oak Tech Center - 6379 San Ignacio Ave - Northrop Grumman covered by AB 802 (Public Resources Code §25402.10)?

Yes — it appears in the 2024 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, “Valley Oak Tech Center - 6379 San Ignacio Ave - Northrop Grumman, San Jose, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/valley-oak-tech-center-6379-san-ignacio-ave-northrop-grumman-574982ff (data as of July 9, 2026).