12Th Street Lofts
Multifamily Housing in California, CA · 45 East 12Th Street, National City · 91950
At a glance
12Th Street Lofts is a 59,126-square-foot multifamily housing building at 45 East 12Th Street, National City in National City, California, built in 2012. In its 2020 California benchmarking disclosure it reported an ENERGY STAR score of 30 out of 100 (grade D), a site energy-use intensity of 78.0 kBtu/ft² and 254 tCO₂e of greenhouse-gas emissions. That score is higher than 5% of the 9,612 scored multifamily housing buildings in California.
AB 802 (Public Resources Code §25402.10) · reporting year 2020
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 30 (band D) |
| Site EUI | 78.0 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 254 tCO₂e |
| GHG intensity | 4.3 kgCO₂e/ft² |
| Electricity | 295,714 kWh |
| Natural gas | 35,176 therms |
| Gross floor area | 59,126 sq ft |
| Source record | california:6876852:2020 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2020latest | 30 | +4 | 78.0 kBtu/ft² | 254 tCO₂e |
| 2019 | 26 | 76.2 kBtu/ft² | 255 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
- 45 East 12Th Street, National City
- City
- California
- State
- California
- ZIP
- 91950
- Coordinates
- 32.67299, -117.10435
Within ~1 km
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See also: most efficient in California · biggest emitters
How does 12Th Street 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. 12Th Street Lofts's ENERGY STAR score of 30 compares with an average of 82 across the 9,612 that report a score; it scores higher than 5% of them and lower than 95%. Its site EUI of 78.0 kBtu/ft² is about 127% 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 4.3 kgCO₂e/ft² is about twice the group average of 2.1 kgCO₂e/ft².
At 59,126 sq ft, it is about 61% below the average floor area of 150,919 sq ft for those buildings. It was built in 2012, 24 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 12Th Street Lofts's energy performance changed over time?
BuildingCensus holds 2 California disclosures for 12Th Street Lofts, covering report years 2019–2020. Its ENERGY STAR score went from 26 in 2019 to 30 in 2020 (+4 points). Site EUI moved from 76.2 kBtu/ft² (2019) to 78.0 kBtu/ft² (2020), an 2% increase. Reported emissions went from 255 tCO₂e to 254 tCO₂e over the same span (down 0%).
What does an ENERGY STAR score of 30 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 30 means the building performs better than about 30% of its national peers. BuildingCensus bands the score into report-card grades; 30 falls in band D — lowest band (1–54). It sits 45 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. 12Th Street Lofts's 78.0 kBtu/ft² across 59,126 sq ft works out to about 4.6 billion Btu (1,352 MWh-equivalent) in 2020. The disclosure also reports 295,714 kWh of electricity and 35,176 therms of natural gas for the year.
Which law requires 12Th Street Lofts to report its energy use?
12Th Street 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 2020 disclosure (source record california:6876852:2020). 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
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- Copy Of Sycamore Hills By The Bay· 59,102 sq ft · score 100 (A)
- Tend Investment· 59,100 sq ft · score 100 (A)
- 10474 Santa Monica· 59,084 sq ft · EUI 43.8 kBtu/ft²
- 411 S Catalina St (Wilshire Catalina Towers)· 59,084 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 12Th Street Lofts's energy grade?
12Th Street Lofts scores 30 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2020 California disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 12Th Street Lofts use?
Its 2020 site energy-use intensity was 78.0 kBtu/ft² across 59,126 sq ft, including 295,714 kWh of electricity and 35,176 therms of natural gas.
What are 12Th Street Lofts's carbon emissions?
12Th Street Lofts reported 254 tCO₂e of greenhouse-gas emissions (4.3 kgCO₂e/ft²) for 2020.
Where is 12Th Street Lofts?
12Th Street Lofts is at 45 East 12Th Street, National City, in National City, California 91950. Its coordinates are 32.67299, -117.10435 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is 12Th Street Lofts and when was it built?
12Th Street Lofts has 59,126 sq ft of gross floor area, as reported in its 2020 disclosure. The disclosure lists 2012 as its year built. It is classed as multifamily housing.
Is 12Th Street Lofts covered by AB 802 (Public Resources Code §25402.10)?
Yes — it appears in the 2020 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, “12Th Street Lofts, National City, California — 2020 benchmarking disclosure”, https://buildingcensus.com/buildings/california/12th-street-lofts-75384fc1 (data as of July 9, 2026).