Tustin Gardens Apartments
Multifamily Housing in California, CA · 15811 Pasadena Avenue, Tustin · 92780
At a glance
Tustin Gardens Apartments is a 66,828-square-foot multifamily housing building at 15811 Pasadena Avenue, Tustin in Tustin, California, built in 1976. In its 2024 California benchmarking disclosure it reported an ENERGY STAR score of 69 out of 100 (grade C), a site energy-use intensity of 46.4 kBtu/ft² and 180 tCO₂e of greenhouse-gas emissions. That score is higher than 21% 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 | 69 (band C) |
| Site EUI | 46.4 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 180 tCO₂e |
| GHG intensity | 2.7 kgCO₂e/ft² |
| Electricity | 342,137 kWh |
| Natural gas | 19,390 therms |
| Gross floor area | 66,828 sq ft |
| Source record | california:20988647:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 69 | +13 | 46.4 kBtu/ft² | 180 tCO₂e |
| 2023 | 56 | -15 | 54.7 kBtu/ft² | 215 tCO₂e |
| 2022 | 71 | -3 | 48.7 kBtu/ft² | 193 tCO₂e |
| 2021 | 74 | +10 | 46.2 kBtu/ft² | 171 tCO₂e |
| 2020 | 64 | 51.0 kBtu/ft² | 189 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
- 15811 Pasadena Avenue, Tustin
- City
- California
- State
- California
- ZIP
- 92780
- Coordinates
- 33.73342, -117.83243
Within ~1 km
Nearby benchmarked buildings
Self-Storage Facility · 155,659 sq ft
- Regency West Apartments - Mpmsscore 65
Multifamily Housing · 134,763 sq ft
- Alders - Labriscore 80
Multifamily Housing · 134,000 sq ft
- El Paseo Apartments (Rc61)score 62
Multifamily Housing · 121,312 sq ft
- Segovia Apartment Homesscore 93
Multifamily Housing · 99,762 sq ft
- 1151 Walnut Avescore 39
Multifamily Housing · 92,760 sq ft
See also: most efficient in California · biggest emitters
How does Tustin Gardens 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. Tustin Gardens Apartments's ENERGY STAR score of 69 compares with an average of 82 across the 9,612 that report a score; it scores higher than 21% of them and lower than 78%. Its site EUI of 46.4 kBtu/ft² is about 35% 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 2.7 kgCO₂e/ft² is about 29% above the group average of 2.1 kgCO₂e/ft².
At 66,828 sq ft, it is about 56% below the average floor area of 150,919 sq ft for those buildings. It was built in 1976, 12 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 Tustin Gardens Apartments's energy performance changed over time?
BuildingCensus holds 5 California disclosures for Tustin Gardens Apartments, covering report years 2020–2024. Its ENERGY STAR score went from 64 in 2020 to 69 in 2024 (+5 points); its best year on file was 2021, at 74. Site EUI moved from 51.0 kBtu/ft² (2020) to 46.4 kBtu/ft² (2024), a 9% decrease. Reported emissions went from 189 tCO₂e to 180 tCO₂e over the same span (down 5%).
What does an ENERGY STAR score of 69 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 69 means the building performs better than about 69% of its national peers. BuildingCensus bands the score into report-card grades; 69 falls in band C — below median (55–69). It sits 6 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. Tustin Gardens Apartments's 46.4 kBtu/ft² across 66,828 sq ft works out to about 3.1 billion Btu (909 MWh-equivalent) in 2024. The disclosure also reports 342,137 kWh of electricity and 19,390 therms of natural gas for the year.
Which law requires Tustin Gardens Apartments to report its energy use?
Tustin Gardens 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:20988647:2024). 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
- Area No. 10 - Park La Brea· 66,824 sq ft · score 63 (C)
- Garden Village· 66,813 sq ft · score 93 (A)
- 111 Marquez Pl· 66,808 sq ft · score 68 (C)
- Fillmore Apartments· 66,792 sq ft · score 100 (A)
- Churn Creek Apartments Llc· 66,783 sq ft · score 100 (A)
- Silver Ridge· 66,776 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 Tustin Gardens Apartments's energy grade?
Tustin Gardens Apartments scores 69 out of 100 on ENERGY STAR — band C, below median (55–69) — in its 2024 California disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Tustin Gardens Apartments use?
Its 2024 site energy-use intensity was 46.4 kBtu/ft² across 66,828 sq ft, including 342,137 kWh of electricity and 19,390 therms of natural gas.
What are Tustin Gardens Apartments's carbon emissions?
Tustin Gardens Apartments reported 180 tCO₂e of greenhouse-gas emissions (2.7 kgCO₂e/ft²) for 2024.
Where is Tustin Gardens Apartments?
Tustin Gardens Apartments is at 15811 Pasadena Avenue, Tustin, in Tustin, California 92780. Its coordinates are 33.73342, -117.83243 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is Tustin Gardens Apartments and when was it built?
Tustin Gardens Apartments has 66,828 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1976 as its year built. It is classed as multifamily housing.
Is Tustin Gardens 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).
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, “Tustin Gardens Apartments, Tustin, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/tustin-gardens-apartments-ed89f851 (data as of July 9, 2026).