G&I Ix Optical Court, Lp
Office in California, CA · 5941 Optical Court, San Jose · 95138
At a glance
G&I Ix Optical Court, Lp is a 68,521-square-foot office building at 5941 Optical Court, San Jose in San Jose, California, built in 2003. In its 2019 California benchmarking disclosure it reported an ENERGY STAR score of 1 out of 100 (grade D), a site energy-use intensity of 242.5 kBtu/ft² and 1,022 tCO₂e of greenhouse-gas emissions. That score is higher than 0% of the 4,912 scored office buildings in California.
AB 802 (Public Resources Code §25402.10) · reporting year 2019
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 1 (band D) |
| Site EUI | 242.5 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 1,022 tCO₂e |
| GHG intensity | 14.9 kgCO₂e/ft² |
| Electricity | 2,356,860 kWh |
| Natural gas | 85,762 therms |
| Gross floor area | 68,521 sq ft |
| Source record | california:6369988:2019 |
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.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 5941 Optical Court, San Jose
- City
- California
- State
- California
- ZIP
- 95138
- Coordinates
- 37.25366, -121.78516
Within ~1 km
Nearby benchmarked buildings
- Rue Ferrari One, Llcscore —
Other - Technology/Science · 286,606 sq ft
Office · 263,000 sq ft
- Rbd San Josescore 55
Distribution Center · 162,066 sq ft
- Silicon Valley Icscore —
Distribution Center · 156,007 sq ft
- Rueb - 5853score —
Other - Technology/Science · 154,080 sq ft
- Ruea - 5863score —
Other - Technology/Science · 154,080 sq ft
See also: most efficient in California · biggest emitters
How does G&I Ix Optical Court, Lp compare with other office buildings in California?
The latest disclosures cover 6,214 office buildings in California, out of 40,029 buildings citywide. G&I Ix Optical Court, Lp's ENERGY STAR score of 1 compares with an average of 75 across the 4,912 that report a score; it scores higher than 0% of them and lower than 97%. Its site EUI of 242.5 kBtu/ft² is about 330% 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 14.9 kgCO₂e/ft² is about 314% above the group average of 3.6 kgCO₂e/ft².
At 68,521 sq ft, it is about half of the average floor area of 151,937 sq ft for those buildings. It was built in 2003, 18 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.
What does an ENERGY STAR score of 1 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: 1 is the bottom of the scale. BuildingCensus bands the score into report-card grades; 1 falls in band D — lowest band (1–54). It sits 74 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. G&I Ix Optical Court, Lp's 242.5 kBtu/ft² across 68,521 sq ft works out to about 16.6 billion Btu (4,870 MWh-equivalent) in 2019. The disclosure also reports 2,356,860 kWh of electricity and 85,762 therms of natural gas for the year.
Which law requires G&I Ix Optical Court, Lp to report its energy use?
G&I Ix Optical Court, Lp 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 2019 disclosure (source record california:6369988:2019). 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
- Public Library - Headquarters (Ab 802)· 68,482 sq ft · score 99 (A)
- 3101 Scott Blvd. (Applied Materials - B91) - Ab802· 68,479 sq ft · score 74 (B)
- Itd - Main Office - Sab039· 68,464 sq ft · score 1 (D)
- Security Pacific Bank Building· 68,432 sq ft · EUI 1.2 kBtu/ft²
- 4350 Von Karman, Llc· 68,425 sq ft · score 70 (B)
- 4350 Office Building· 68,425 sq ft · score 52 (D)
- 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 G&I Ix Optical Court, Lp's energy grade?
G&I Ix Optical Court, Lp scores 1 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2019 California disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does G&I Ix Optical Court, Lp use?
Its 2019 site energy-use intensity was 242.5 kBtu/ft² across 68,521 sq ft, including 2,356,860 kWh of electricity and 85,762 therms of natural gas.
What are G&I Ix Optical Court, Lp's carbon emissions?
G&I Ix Optical Court, Lp reported 1,022 tCO₂e of greenhouse-gas emissions (14.9 kgCO₂e/ft²) for 2019.
Where is G&I Ix Optical Court, Lp?
G&I Ix Optical Court, Lp is at 5941 Optical Court, San Jose, in San Jose, California 95138. Its coordinates are 37.25366, -121.78516 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is G&I Ix Optical Court, Lp and when was it built?
G&I Ix Optical Court, Lp has 68,521 sq ft of gross floor area, as reported in its 2019 disclosure. The disclosure lists 2003 as its year built. It is classed as office.
Is G&I Ix Optical Court, Lp covered by AB 802 (Public Resources Code §25402.10)?
Yes — it appears in the 2019 Building Energy Benchmarking Program (statewide) disclosure, which lists the buildings reporting under AB 802 (Public Resources Code §25402.10).
Working with California building benchmarking records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “G&I Ix Optical Court, Lp, San Jose, California — 2019 benchmarking disclosure”, https://buildingcensus.com/buildings/california/g-i-ix-optical-court-lp-4906d9ae (data as of July 9, 2026).