Los Alisos At Mission Viejo
Multifamily Housing in California, CA · 28601 Los Alisos Boulevard, Mission Viejo · 92692
At a glance
Los Alisos At Mission Viejo is a 332,299-square-foot multifamily housing building at 28601 Los Alisos Boulevard, Mission Viejo in Mission Viejo, California, built in 2013. In its 2024 California benchmarking disclosure it reported an ENERGY STAR score of 50 out of 100 (grade D), a site energy-use intensity of 42.8 kBtu/ft² and 850 tCO₂e of greenhouse-gas emissions. That score is higher than 10% 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 | 50 (band D) |
| Site EUI | 42.8 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 850 tCO₂e |
| GHG intensity | 2.6 kgCO₂e/ft² |
| Electricity | 1,814,215 kWh |
| Natural gas | 82,742 therms |
| Gross floor area | 332,299 sq ft |
| Source record | california:6465064:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 50 | +24 | 42.8 kBtu/ft² | 850 tCO₂e |
| 2023 | 26 | -3 | 46.3 kBtu/ft² | 925 tCO₂e |
| 2022 | 29 | +4 | 49.0 kBtu/ft² | 938 tCO₂e |
| 2021 | 25 | -2 | 48.6 kBtu/ft² | 895 tCO₂e |
| 2020 | 27 | -6 | 48.5 kBtu/ft² | 923 tCO₂e |
| 2019 | 33 | 45.1 kBtu/ft² | 871 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
- 28601 Los Alisos Boulevard, Mission Viejo
- City
- California
- State
- California
- ZIP
- 92692
- Coordinates
- 33.65678, -117.63197
Within ~1 km
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See also: most efficient in California · biggest emitters
How does Los Alisos At Mission Viejo 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. Los Alisos At Mission Viejo's ENERGY STAR score of 50 compares with an average of 82 across the 9,612 that report a score; it scores higher than 10% of them and lower than 90%. Its site EUI of 42.8 kBtu/ft² is about 24% above the average of 34.4 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 2.6 kgCO₂e/ft² is about 22% above the group average of 2.1 kgCO₂e/ft².
At 332,299 sq ft, it is about 120% above the average floor area of 150,919 sq ft for those buildings. It was built in 2013, 25 years later 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 Los Alisos At Mission Viejo's energy performance changed over time?
BuildingCensus holds 6 California disclosures for Los Alisos At Mission Viejo, covering report years 2019–2024. Its ENERGY STAR score went from 33 in 2019 to 50 in 2024 (+17 points). Site EUI moved from 45.1 kBtu/ft² (2019) to 42.8 kBtu/ft² (2024), a 5% decrease. Reported emissions went from 871 tCO₂e to 850 tCO₂e over the same span (down 2%).
What does an ENERGY STAR score of 50 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: a score of 50 means the building performs better than about 50% of its national peers. BuildingCensus bands the score into report-card grades; 50 falls in band D — lowest band (1–54). It sits 25 points below 75, the threshold for ENERGY STAR certification. 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. Los Alisos At Mission Viejo's 42.8 kBtu/ft² across 332,299 sq ft works out to about 14.2 billion Btu (4,168 MWh-equivalent) in 2024. The disclosure also reports 1,814,215 kWh of electricity and 82,742 therms of natural gas for the year.
Which law requires Los Alisos At Mission Viejo to report its energy use?
Los Alisos At Mission Viejo 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:6465064:2024). 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
- Nova At Green Valley· 332,234 sq ft · score 100 (A)
- 1177 Market· 332,221 sq ft · score 50 (D)
- Da Vinci Building A· 332,003 sq ft · score 100 (A)
- Ca575_Eaves Mt. View At Middlefield (Mn87)· 331,916 sq ft · score 100 (A)
- Park Place Iii· 330,979 sq ft · score 59 (C)
- The Heights At Chino Hills· 330,721 sq ft · score 98 (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 Los Alisos At Mission Viejo's energy grade?
Los Alisos At Mission Viejo scores 50 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2024 California disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Los Alisos At Mission Viejo use?
Its 2024 site energy-use intensity was 42.8 kBtu/ft² across 332,299 sq ft, including 1,814,215 kWh of electricity and 82,742 therms of natural gas.
What are Los Alisos At Mission Viejo's carbon emissions?
Los Alisos At Mission Viejo reported 850 tCO₂e of greenhouse-gas emissions (2.6 kgCO₂e/ft²) for 2024.
Where is Los Alisos At Mission Viejo?
Los Alisos At Mission Viejo is at 28601 Los Alisos Boulevard, Mission Viejo, in Mission Viejo, California 92692. Its coordinates are 33.65678, -117.63197 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is Los Alisos At Mission Viejo and when was it built?
Los Alisos At Mission Viejo has 332,299 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2013 as its year built. It is classed as multifamily housing.
Is Los Alisos At Mission Viejo 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, “Los Alisos At Mission Viejo, Mission Viejo, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/los-alisos-at-mission-viejo-d7f6bcc8 (data as of July 9, 2026).