478 - Diamond Ridge Marketplace
Lifestyle Center in California, CA · 1391 East Gladstone Street, Glendora · 91740
At a glance
478 - Diamond Ridge Marketplace is a 342,105-square-foot lifestyle center at 1391 East Gladstone Street, Glendora in Glendora, California, built in 2008. In its 2024 California benchmarking disclosure it reported a site energy-use intensity of 131.5 kBtu/ft² and 2,616 tCO₂e of greenhouse-gas emissions.
AB 802 (Public Resources Code §25402.10) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 131.5 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 2,616 tCO₂e |
| GHG intensity | 7.7 kgCO₂e/ft² |
| Electricity | 6,636,329 kWh |
| Natural gas | 209,539 therms |
| Gross floor area | 342,105 sq ft |
| Source record | california:11586908:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 131.5 kBtu/ft² | 2,616 tCO₂e | |
| 2023 | — | 123.9 kBtu/ft² | 2,611 tCO₂e | |
| 2022 | — | 134.1 kBtu/ft² | 2,915 tCO₂e | |
| 2021 | — | 124.8 kBtu/ft² | 2,638 tCO₂e | |
| 2020 | — | 67.1 kBtu/ft² | 1,478 tCO₂e | |
| 2019 | — | 146.0 kBtu/ft² | 2,987 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
- 1391 East Gladstone Street, Glendora
- City
- California
- State
- California
- ZIP
- 91740
- Coordinates
- 34.11459, -117.83514
Within ~1 km
Nearby benchmarked buildings
- Diamond Ridge Marketplacescore —
Lifestyle Center · 342,105 sq ft
- Glendora, Cascore 23
Wholesale Club/Supercenter · 132,166 sq ft
- 6617 - Glendorascore 12
Retail Store · 107,920 sq ft
- 10595-Glendora - Solarscore 99
Retail Store · 95,092 sq ft
- 5776-919 S Lone Hills Avescore —
Self-Storage Facility · 87,276 sq ft
- San Dimas Call Centerscore 78
Office · 75,305 sq ft
See also: most efficient in California · biggest emitters
How does 478 - Diamond Ridge Marketplace compare with other lifestyle center buildings in California?
The latest disclosures cover 128 lifestyle center buildings in California, out of 40,029 buildings citywide. Its site EUI of 131.5 kBtu/ft² is about twice the average of 67.4 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 7.7 kgCO₂e/ft² is about 78% above the group average of 4.3 kgCO₂e/ft².
At 342,105 sq ft, it is about 27% above the average floor area of 269,903 sq ft for those buildings. It was built in 2008, 14 years later than the group's average year built (1995). Across all 24 jurisdictions BuildingCensus covers, the 163 lifestyle center buildings average an ENERGY STAR score of 53 and a site EUI of 76.1 kBtu/ft².
How has 478 - Diamond Ridge Marketplace's energy performance changed over time?
BuildingCensus holds 6 California disclosures for 478 - Diamond Ridge Marketplace, covering report years 2019–2024. Site EUI moved from 146.0 kBtu/ft² (2019) to 131.5 kBtu/ft² (2024), a 10% decrease. Reported emissions went from 2,987 tCO₂e to 2,616 tCO₂e over the same span (down 12%).
What does a site EUI of 131.5 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. 478 - Diamond Ridge Marketplace's 131.5 kBtu/ft² across 342,105 sq ft works out to about 45 billion Btu (13,184 MWh-equivalent) in 2024. The disclosure also reports 6,636,329 kWh of electricity and 209,539 therms of natural gas for the year.
Which law requires 478 - Diamond Ridge Marketplace to report its energy use?
478 - Diamond Ridge Marketplace 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:11586908:2024). 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 lifestyle center buildings in California
- City Center Bishop Ranch· 335,884 sq ft · EUI 31.0 kBtu/ft²
- La Central (2776)· 329,953 sq ft · EUI 50.9 kBtu/ft²
- Figat7Th· 329,953 sq ft · EUI 27.3 kBtu/ft²
- Bay Street - Z634010 (By066)· 327,789 sq ft · EUI 66.6 kBtu/ft²
- El Paseo De Saratoga· 326,836 sq ft · EUI 2.9 kBtu/ft²
- Gilroy Crossing (Gl086)· 325,433 sq ft · EUI 72.4 kBtu/ft²
- Lifestyle Center buildings in California· 128 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 478 - Diamond Ridge Marketplace's energy grade?
478 - Diamond Ridge Marketplace did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 131.5 kBtu/ft².
How much energy does 478 - Diamond Ridge Marketplace use?
Its 2024 site energy-use intensity was 131.5 kBtu/ft² across 342,105 sq ft, including 6,636,329 kWh of electricity and 209,539 therms of natural gas.
What are 478 - Diamond Ridge Marketplace's carbon emissions?
478 - Diamond Ridge Marketplace reported 2,616 tCO₂e of greenhouse-gas emissions (7.7 kgCO₂e/ft²) for 2024.
Where is 478 - Diamond Ridge Marketplace?
478 - Diamond Ridge Marketplace is at 1391 East Gladstone Street, Glendora, in Glendora, California 91740. Its coordinates are 34.11459, -117.83514 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is 478 - Diamond Ridge Marketplace and when was it built?
478 - Diamond Ridge Marketplace has 342,105 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2008 as its year built. It is classed as lifestyle center.
Is 478 - Diamond Ridge Marketplace 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, “478 - Diamond Ridge Marketplace, Glendora, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/478-diamond-ridge-marketplace-1584168b (data as of July 9, 2026).