Essex Towers
Multifamily Housing in California, CA · 44916 10Th Street West, Lancaster · 93534
At a glance
Essex Towers is a 61,000-square-foot multifamily housing building at 44916 10Th Street West, Lancaster in Lancaster, California, built in 1973. In its 2024 California benchmarking disclosure it reported a site energy-use intensity of 15.7 kBtu/ft² and 52 tCO₂e of greenhouse-gas emissions.
AB 802 (Public Resources Code §25402.10) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 15.7 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 52 tCO₂e |
| GHG intensity | 0.9 kgCO₂e/ft² |
| Electricity | 36,431 kWh |
| Natural gas | 8,293 therms |
| Gross floor area | 61,000 sq ft |
| Source record | california:16069238:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 15.7 kBtu/ft² | 52 tCO₂e | |
| 2023 | 81 | 47.7 kBtu/ft² | 131 tCO₂e | |
| 2021 | — | — | — | |
| 2020 | — | 105.3 kBtu/ft² | 402 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
- 44916 10Th Street West, Lancaster
- City
- California
- State
- California
- ZIP
- 93534
- Coordinates
- 34.69989, -118.14695
Within ~1 km
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See also: most efficient in California · biggest emitters
How does Essex Towers compare with other multifamily housing buildings in California?
The latest disclosures cover 10,630 multifamily housing buildings in California, out of 40,029 buildings citywide. Its site EUI of 15.7 kBtu/ft² is about half of the average of 34.4 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 0.9 kgCO₂e/ft² is about 59% below the group average of 2.1 kgCO₂e/ft².
At 61,000 sq ft, it is about 60% below the average floor area of 150,919 sq ft for those buildings. It was built in 1973, 15 years earlier than the group's average year built (1988). Across all 24 jurisdictions BuildingCensus covers, the 59,945 multifamily housing buildings average an ENERGY STAR score of 70 and a site EUI of 59.0 kBtu/ft².
How has Essex Towers's energy performance changed over time?
BuildingCensus holds 4 California disclosures for Essex Towers, covering report years 2020, 2021, 2023, 2024. Site EUI moved from 105.3 kBtu/ft² (2020) to 15.7 kBtu/ft² (2024), a 85% decrease. Reported emissions went from 402 tCO₂e to 52 tCO₂e over the same span (down 87%).
What does a site EUI of 15.7 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. Essex Towers's 15.7 kBtu/ft² across 61,000 sq ft works out to about 1 billion Btu (281 MWh-equivalent) in 2024. The disclosure also reports 36,431 kWh of electricity and 8,293 therms of natural gas for the year.
Which law requires Essex Towers to report its energy use?
Essex Towers 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:16069238:2024). 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.
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- Multifamily Housing buildings in California· 10,630 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 Essex Towers's energy grade?
Essex Towers did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 15.7 kBtu/ft².
How much energy does Essex Towers use?
Its 2024 site energy-use intensity was 15.7 kBtu/ft² across 61,000 sq ft, including 36,431 kWh of electricity and 8,293 therms of natural gas.
What are Essex Towers's carbon emissions?
Essex Towers reported 52 tCO₂e of greenhouse-gas emissions (0.9 kgCO₂e/ft²) for 2024.
Where is Essex Towers?
Essex Towers is at 44916 10Th Street West, Lancaster, in Lancaster, California 93534. Its coordinates are 34.69989, -118.14695 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is Essex Towers and when was it built?
Essex Towers has 61,000 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1973 as its year built. It is classed as multifamily housing.
Is Essex Towers 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, “Essex Towers, Lancaster, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/essex-towers-59d99202 (data as of July 9, 2026).