Calypso Apartments And Lofts
Multifamily Housing in California, CA · 2801 Alton Pkwy, Irvine · 92606
At a glance
Calypso Apartments And Lofts is a 200,000-square-foot multifamily housing building at 2801 Alton Pkwy, Irvine in Irvine, California, built in 2008. In its 2021 California benchmarking disclosure it reported an ENERGY STAR score of 71 out of 100 (grade B), a site energy-use intensity of 39.6 kBtu/ft² and 450 tCO₂e of greenhouse-gas emissions. That score is higher than 23% of the 9,612 scored multifamily housing buildings in California.
AB 802 (Public Resources Code §25402.10) · reporting year 2021
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 71 (band B) |
| Site EUI | 39.6 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 450 tCO₂e |
| GHG intensity | 2.2 kgCO₂e/ft² |
| Electricity | 1,139,735 kWh |
| Natural gas | 40,405 therms |
| Gross floor area | 200,000 sq ft |
| Source record | california:15835914:2021 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2021latest | 71 | -24 | 39.6 kBtu/ft² | 450 tCO₂e |
| 2020 | 95 | 34.7 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
- 2801 Alton Pkwy, Irvine
- City
- California
- State
- California
- ZIP
- 92606
- Coordinates
- 33.68876, -117.83090
Within ~1 km
Nearby benchmarked buildings
- The Residences On Jamboreescore 98
Multifamily Housing · 433,308 sq ft
- The Alton - 29411score 100
Multifamily Housing · 367,999 sq ft
- Camden Main And Jamboreescore 96
Multifamily Housing · 366,384 sq ft
- Ca083_Avalon Irvine I (Vc47)score 35
Multifamily Housing · 340,606 sq ft
- Sofi Irvine (Sf31)score 96
Multifamily Housing · 313,582 sq ft
- The Murphy Irvine (Mr207)score 100
Multifamily Housing · 233,530 sq ft
See also: most efficient in California · biggest emitters
How does Calypso Apartments And Lofts 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. Calypso Apartments And Lofts's ENERGY STAR score of 71 compares with an average of 82 across the 9,612 that report a score; it scores higher than 23% of them and lower than 77%. Its site EUI of 39.6 kBtu/ft² is about 15% 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 2.2 kgCO₂e/ft² is roughly in line with the group average of 2.1 kgCO₂e/ft².
At 200,000 sq ft, it is about 33% above the average floor area of 150,919 sq ft for those buildings. It was built in 2008, 20 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 Calypso Apartments And Lofts's energy performance changed over time?
BuildingCensus holds 2 California disclosures for Calypso Apartments And Lofts, covering report years 2020–2021. Its ENERGY STAR score went from 95 in 2020 to 71 in 2021 (-24 points); its best year on file was 2020, at 95. Site EUI moved from 34.7 kBtu/ft² (2020) to 39.6 kBtu/ft² (2021), an 14% increase. Reported emissions went from 402 tCO₂e to 450 tCO₂e over the same span (up 12%).
What does an ENERGY STAR score of 71 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 71 means the building performs better than about 71% of its national peers. BuildingCensus bands the score into report-card grades; 71 falls in band B — above median (70–84). It sits 4 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. Calypso Apartments And Lofts's 39.6 kBtu/ft² across 200,000 sq ft works out to about 7.9 billion Btu (2,321 MWh-equivalent) in 2021. The disclosure also reports 1,139,735 kWh of electricity and 40,405 therms of natural gas for the year.
Which law requires Calypso Apartments And Lofts to report its energy use?
Calypso Apartments And Lofts 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 2021 disclosure (source record california:15835914:2021). 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
- Baxter On Broadway (Bx010)· 199,903 sq ft · score 100 (A)
- Vivere Flats (Vf28)· 199,898 sq ft · score 83 (B)
- Santee Court - Essex· 199,879 sq ft · score 12 (D)
- Montecito Village· 199,868 sq ft · score 86 (A)
- The Current (Ht73)· 199,847 sq ft · score 4 (D)
- Hollywood Knickbocker· 199,784 sq ft · score 82 (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 Calypso Apartments And Lofts's energy grade?
Calypso Apartments And Lofts scores 71 out of 100 on ENERGY STAR — band B, above median (70–84) — in its 2021 California disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Calypso Apartments And Lofts use?
Its 2021 site energy-use intensity was 39.6 kBtu/ft² across 200,000 sq ft, including 1,139,735 kWh of electricity and 40,405 therms of natural gas.
What are Calypso Apartments And Lofts's carbon emissions?
Calypso Apartments And Lofts reported 450 tCO₂e of greenhouse-gas emissions (2.2 kgCO₂e/ft²) for 2021.
Where is Calypso Apartments And Lofts?
Calypso Apartments And Lofts is at 2801 Alton Pkwy, Irvine, in Irvine, California 92606. Its coordinates are 33.68876, -117.83090 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is Calypso Apartments And Lofts and when was it built?
Calypso Apartments And Lofts has 200,000 sq ft of gross floor area, as reported in its 2021 disclosure. The disclosure lists 2008 as its year built. It is classed as multifamily housing.
Is Calypso Apartments And Lofts covered by AB 802 (Public Resources Code §25402.10)?
Yes — it appears in the 2021 Building Energy Benchmarking Program (statewide) disclosure, which lists the buildings reporting under AB 802 (Public Resources Code §25402.10).
Working with California building benchmarking records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Calypso Apartments And Lofts, Irvine, California — 2021 benchmarking disclosure”, https://buildingcensus.com/buildings/california/calypso-apartments-and-lofts-ff897b66 (data as of July 9, 2026).