Hallie, The (Del Mar) - Essex (Hl163)
Multifamily Housing in California, CA · 280 East Del Mar Boulevard, Pasadena · 91101
At a glance
Hallie, The (Del Mar) - Essex (Hl163) is a 242,995-square-foot multifamily housing building at 280 East Del Mar Boulevard, Pasadena in Pasadena, California, built in 1972. In its 2024 California benchmarking disclosure it reported an ENERGY STAR score of 100 out of 100 (grade A), a site energy-use intensity of 9.7 kBtu/ft² and 130 tCO₂e of greenhouse-gas emissions. That score is higher than 76% of the 9,612 scored multifamily housing buildings in California.
AB 802 (Public Resources Code §25402.10) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 100 (band A) |
| Site EUI | 9.7 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 130 tCO₂e |
| GHG intensity | 0.5 kgCO₂e/ft² |
| Electricity | 105,757 kWh |
| Natural gas | 19,961 therms |
| Gross floor area | 242,995 sq ft |
| Source record | california:6859631:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 100 | ±0 | 9.7 kBtu/ft² | 130 tCO₂e |
| 2023 | 100 | ±0 | 15.7 kBtu/ft² | 237 tCO₂e |
| 2022 | 100 | +9 | 15.8 kBtu/ft² | 239 tCO₂e |
| 2021 | 91 | +25 | 17.8 kBtu/ft² | 518 tCO₂e |
| 2020 | 66 | +3 | 13.4 kBtu/ft² | 365 tCO₂e |
| 2019 | 63 | 13.6 kBtu/ft² | 375 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
- 280 East Del Mar Boulevard, Pasadena
- City
- California
- State
- California
- ZIP
- 91101
- Coordinates
- 34.13999, -118.14491
Within ~1 km
Nearby benchmarked buildings
- Westgate - 29319score 100
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- Pasadena Annex Buildingsscore —
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- Haven Del Mar Station (12165)score 99
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- Westgate Pasadena (Ws211)score 100
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- 177 E. Coloradoscore 89
Office · 344,169 sq ft
See also: most efficient in California · biggest emitters
How does Hallie, The (Del Mar) - Essex (Hl163) 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. Hallie, The (Del Mar) - Essex (Hl163)'s ENERGY STAR score of 100 compares with an average of 82 across the 9,612 that report a score; it scores higher than 76% of them. Its site EUI of 9.7 kBtu/ft² is about 72% below 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 0.5 kgCO₂e/ft² is about 75% below the group average of 2.1 kgCO₂e/ft².
At 242,995 sq ft, it is about 61% above the average floor area of 150,919 sq ft for those buildings. It was built in 1972, 16 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 Hallie, The (Del Mar) - Essex (Hl163)'s energy performance changed over time?
BuildingCensus holds 6 California disclosures for Hallie, The (Del Mar) - Essex (Hl163), covering report years 2019–2024. Its ENERGY STAR score went from 63 in 2019 to 100 in 2024 (+37 points); its best year on file was 2022, at 100. Site EUI moved from 13.6 kBtu/ft² (2019) to 9.7 kBtu/ft² (2024), a 29% decrease. Reported emissions went from 375 tCO₂e to 130 tCO₂e over the same span (down 65%).
What does an ENERGY STAR score of 100 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: 100 is the top of the scale. BuildingCensus bands the score into report-card grades; 100 falls in band A — high performer (85–100). Scores of 75 or higher meet the threshold for ENERGY STAR certification; certification itself is a separate, verified application that the disclosure does not record. 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. Hallie, The (Del Mar) - Essex (Hl163)'s 9.7 kBtu/ft² across 242,995 sq ft works out to about 2.4 billion Btu (691 MWh-equivalent) in 2024. The disclosure also reports 105,757 kWh of electricity and 19,961 therms of natural gas for the year.
Which law requires Hallie, The (Del Mar) - Essex (Hl163) to report its energy use?
Hallie, The (Del Mar) - Essex (Hl163) 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:6859631:2024). 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 multifamily housing buildings in California
- Carillon Apartment Homes· 242,972 sq ft · score 16 (D)
- Sunnydale Block 6· 242,926 sq ft · score 89 (A)
- Altura (Al016)· 242,871 sq ft · score 99 (A)
- 2200 Sacramento· 242,848 sq ft · score 95 (A)
- Fountainglen Temecula· 242,828 sq ft · score 82 (B)
- Fountainglen At Temecula (Fn37)· 242,828 sq ft · score 78 (B)
- 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 Hallie, The (Del Mar) - Essex (Hl163)'s energy grade?
Hallie, The (Del Mar) - Essex (Hl163) scores 100 out of 100 on ENERGY STAR — band A, high performer (85–100) — in its 2024 California disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Hallie, The (Del Mar) - Essex (Hl163) use?
Its 2024 site energy-use intensity was 9.7 kBtu/ft² across 242,995 sq ft, including 105,757 kWh of electricity and 19,961 therms of natural gas.
What are Hallie, The (Del Mar) - Essex (Hl163)'s carbon emissions?
Hallie, The (Del Mar) - Essex (Hl163) reported 130 tCO₂e of greenhouse-gas emissions (0.5 kgCO₂e/ft²) for 2024.
Where is Hallie, The (Del Mar) - Essex (Hl163)?
Hallie, The (Del Mar) - Essex (Hl163) is at 280 East Del Mar Boulevard, Pasadena, in Pasadena, California 91101. Its coordinates are 34.13999, -118.14491 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is Hallie, The (Del Mar) - Essex (Hl163) and when was it built?
Hallie, The (Del Mar) - Essex (Hl163) has 242,995 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1972 as its year built. It is classed as multifamily housing.
Is Hallie, The (Del Mar) - Essex (Hl163) 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, “Hallie, The (Del Mar) - Essex (Hl163), Pasadena, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/hallie-the-del-mar-essex-hl163-378c0659 (data as of July 9, 2026).