10121 Barnes Canyon
Office in California, CA · 10121 Barnes Canyon Road, San Diego · 92121
At a glance
10121 Barnes Canyon is a 67,015-square-foot office building at 10121 Barnes Canyon Road, San Diego in San Diego, California, built in 1984. In its 2023 California benchmarking disclosure it reported a site energy-use intensity of 1.5 kBtu/ft².
AB 802 (Public Resources Code §25402.10) · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 1.5 kBtu/ft² |
| Source EUI | — |
| GHG emissions | — |
| GHG intensity | — |
| Electricity | 28,991 kWh |
| Gross floor area | 67,015 sq ft |
| Source record | california:3964545:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | — | 1.5 kBtu/ft² | — | |
| 2021 | — | 40.6 kBtu/ft² | 165 tCO₂e | |
| 2019 | — | 48.0 kBtu/ft² | 225 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.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 10121 Barnes Canyon Road, San Diego
- City
- California
- State
- California
- ZIP
- 92121
- Coordinates
- 32.89856, -117.19862
Within ~1 km
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See also: most efficient in California · biggest emitters
How does 10121 Barnes Canyon 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 1.5 kBtu/ft² is about 97% below the average of 56.4 kBtu/ft² — it uses less energy per square foot than the typical building in that group.
At 67,015 sq ft, it is about 56% below 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 10121 Barnes Canyon's energy performance changed over time?
BuildingCensus holds 3 California disclosures for 10121 Barnes Canyon, covering report years 2019, 2021, 2023. Site EUI moved from 48.0 kBtu/ft² (2019) to 1.5 kBtu/ft² (2023), a 97% decrease. Reported emissions went from 225 tCO₂e to 165 tCO₂e over the same span (down 27%).
What does a site EUI of 1.5 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. 10121 Barnes Canyon's 1.5 kBtu/ft² across 67,015 sq ft works out to about 0.1 billion Btu (29 MWh-equivalent) in 2023. The disclosure also reports 28,991 kWh of electricity for the year.
Which law requires 10121 Barnes Canyon to report its energy use?
10121 Barnes Canyon 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:3964545:2023). 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
- 1625 Charleston Rd· 67,000 sq ft · score 79 (B)
- Mountain View - 301· 67,000 sq ft · EUI 54.0 kBtu/ft²
- 301 E Evelyn Ave· 67,000 sq ft
- Solana Crossing Iii· 67,000 sq ft · score 98 (A)
- Nhat Minh Llc· 67,000 sq ft · score 100 (A)
- 703Dc456 -- Cost Recovery Warehouse· 67,000 sq ft · score 100 (A)
- 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 10121 Barnes Canyon's energy grade?
10121 Barnes Canyon did not report an ENERGY STAR score in its 2023 disclosure, but its site energy-use intensity was 1.5 kBtu/ft².
How much energy does 10121 Barnes Canyon use?
Its 2023 site energy-use intensity was 1.5 kBtu/ft² across 67,015 sq ft, including 28,991 kWh of electricity.
What are 10121 Barnes Canyon's carbon emissions?
No greenhouse-gas emissions figure was reported for 2023.
Where is 10121 Barnes Canyon?
10121 Barnes Canyon is at 10121 Barnes Canyon Road, San Diego, in San Diego, California 92121. Its coordinates are 32.89856, -117.19862 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is 10121 Barnes Canyon and when was it built?
10121 Barnes Canyon has 67,015 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 10121 Barnes Canyon 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, “10121 Barnes Canyon, San Diego, California — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/california/10121-barnes-canyon-33d17a54 (data as of July 9, 2026).