Broadway Square Apartments
Multifamily Housing in California, CA · 563 Broadway, El Cajon · 92021
At a glance
Broadway Square Apartments is a 51,572-square-foot multifamily housing building at 563 Broadway, El Cajon in El Cajon, California, built in 1971. 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 1.7 kBtu/ft² and 6 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 | 1.7 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 6 tCO₂e |
| GHG intensity | 0.1 kgCO₂e/ft² |
| Electricity | 26,143 kWh |
| Gross floor area | 51,572 sq ft |
| Source record | california:61714192:2024 |
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
- 563 Broadway, El Cajon
- City
- California
- State
- California
- ZIP
- 92021
- Coordinates
- 32.80740, -116.95521
Within ~1 km
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See also: most efficient in California · biggest emitters
How does Broadway Square Apartments 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. Broadway Square Apartments'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 1.7 kBtu/ft² is about 95% 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 0.1 kgCO₂e/ft² is about 95% below the group average of 2.1 kgCO₂e/ft².
At 51,572 sq ft, it is about 66% below the average floor area of 150,919 sq ft for those buildings. It was built in 1971, 17 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.
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. Broadway Square Apartments's 1.7 kBtu/ft² across 51,572 sq ft works out to about 0.1 billion Btu (26 MWh-equivalent) in 2024. The disclosure also reports 26,143 kWh of electricity for the year.
Which law requires Broadway Square Apartments to report its energy use?
Broadway Square Apartments 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:61714192:2024). 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
- 2001 E Pacific Coast Hwy· 51,569 sq ft · score 44 (D)
- Oceanview· 51,569 sq ft · score 86 (A)
- Lincoln Woods Apartments· 51,550 sq ft · score 100 (A)
- Sunhill Apartments· 51,546 sq ft · score 100 (A)
- 5306 N Sepulveda Blvd· 51,540 sq ft · score 96 (A)
- Merrilee Terrace Apartments· 51,526 sq ft · score 99 (A)
- 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 Broadway Square Apartments's energy grade?
Broadway Square Apartments 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 Broadway Square Apartments use?
Its 2024 site energy-use intensity was 1.7 kBtu/ft² across 51,572 sq ft, including 26,143 kWh of electricity.
What are Broadway Square Apartments's carbon emissions?
Broadway Square Apartments reported 6 tCO₂e of greenhouse-gas emissions (0.1 kgCO₂e/ft²) for 2024.
Where is Broadway Square Apartments?
Broadway Square Apartments is at 563 Broadway, El Cajon, in El Cajon, California 92021. Its coordinates are 32.80740, -116.95521 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is Broadway Square Apartments and when was it built?
Broadway Square Apartments has 51,572 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1971 as its year built. It is classed as multifamily housing.
Is Broadway Square Apartments 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, “Broadway Square Apartments, El Cajon, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/broadway-square-apartments-685a5bac (data as of July 9, 2026).