1535 Rancho Conejo Blvd
Office in California, CA · 1535 Rancho Conejo Boulevard, Thousand Oaks · 91320
At a glance
1535 Rancho Conejo Blvd is a 97,220-square-foot office building at 1535 Rancho Conejo Boulevard, Thousand Oaks in Thousand Oaks, California, built in 1961. In its 2024 California benchmarking disclosure it reported a site energy-use intensity of 4.1 kBtu/ft² and 27 tCO₂e of greenhouse-gas emissions.
AB 802 (Public Resources Code §25402.10) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 4.1 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 27 tCO₂e |
| GHG intensity | 0.3 kgCO₂e/ft² |
| Electricity | 117,785 kWh |
| Gross floor area | 97,220 sq ft |
| Source record | california:6444325:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 4.1 kBtu/ft² | 27 tCO₂e | |
| 2023 | — | 4.4 kBtu/ft² | 31 tCO₂e | |
| 2020 | 59 | 46.5 kBtu/ft² | 272 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
- 1535 Rancho Conejo Boulevard, Thousand Oaks
- City
- California
- State
- California
- ZIP
- 91320
- Coordinates
- 34.20138, -118.92684
Within ~1 km
Nearby benchmarked buildings
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- Arroyo Villa Aptsscore 65
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- Cs Industrial Tt Llcscore —
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- Newbury Park - Npscore 100
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- 2400 Conejo Spectrum Streetscore 76
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See also: most efficient in California · biggest emitters
How does 1535 Rancho Conejo Blvd 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 4.1 kBtu/ft² is about 93% below the average of 56.4 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 0.3 kgCO₂e/ft² is about 93% below the group average of 3.6 kgCO₂e/ft².
At 97,220 sq ft, it is about 36% below the average floor area of 151,937 sq ft for those buildings. It was built in 1961, 24 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 1535 Rancho Conejo Blvd's energy performance changed over time?
BuildingCensus holds 3 California disclosures for 1535 Rancho Conejo Blvd, covering report years 2020, 2023, 2024. Site EUI moved from 46.5 kBtu/ft² (2020) to 4.1 kBtu/ft² (2024), a 91% decrease. Reported emissions went from 272 tCO₂e to 27 tCO₂e over the same span (down 90%).
What does a site EUI of 4.1 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. 1535 Rancho Conejo Blvd's 4.1 kBtu/ft² across 97,220 sq ft works out to about 0.4 billion Btu (117 MWh-equivalent) in 2024. The disclosure also reports 117,785 kWh of electricity for the year.
Which law requires 1535 Rancho Conejo Blvd to report its energy use?
1535 Rancho Conejo Blvd 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:6444325:2024). 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
- 10180 Telesis Court· 97,200 sq ft · score 73 (B)
- 10180 Telesis Court· 97,200 sq ft · score 80 (B)
- Citicenter· 97,142 sq ft · score 100 (A)
- Mcmurtry Building· 97,124 sq ft · EUI 50.9 kBtu/ft²
- 1100 San Leandro Blvd - San Leandro· 97,074 sq ft · score 91 (A)
- South Park Group - 5901 Olympic Blvd.· 97,035 sq ft · score 87 (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 1535 Rancho Conejo Blvd's energy grade?
1535 Rancho Conejo Blvd did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 4.1 kBtu/ft².
How much energy does 1535 Rancho Conejo Blvd use?
Its 2024 site energy-use intensity was 4.1 kBtu/ft² across 97,220 sq ft, including 117,785 kWh of electricity.
What are 1535 Rancho Conejo Blvd's carbon emissions?
1535 Rancho Conejo Blvd reported 27 tCO₂e of greenhouse-gas emissions (0.3 kgCO₂e/ft²) for 2024.
Where is 1535 Rancho Conejo Blvd?
1535 Rancho Conejo Blvd is at 1535 Rancho Conejo Boulevard, Thousand Oaks, in Thousand Oaks, California 91320. Its coordinates are 34.20138, -118.92684 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is 1535 Rancho Conejo Blvd and when was it built?
1535 Rancho Conejo Blvd has 97,220 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1961 as its year built. It is classed as office.
Is 1535 Rancho Conejo Blvd 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, “1535 Rancho Conejo Blvd, Thousand Oaks, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/1535-rancho-conejo-blvd-38da897a (data as of July 9, 2026).