Weiss - 8421 Langdon Ave: 8421 Langdon Ave
Multifamily Housing in California, CA · 8421 Langdon Avenue, Los Angeles · 91343
At a glance
Weiss - 8421 Langdon Ave: 8421 Langdon Ave is a 53,506-square-foot multifamily housing building at 8421 Langdon Avenue, Los Angeles in Los Angeles, California, built in 1964. In its 2022 California benchmarking disclosure it reported an ENERGY STAR score of 100 out of 100 (grade A) and 100 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 2022
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 100 (band A) |
| Site EUI | — |
| Source EUI | — |
| GHG emissions | 100 tCO₂e |
| GHG intensity | 1.9 kgCO₂e/ft² |
| Electricity | 21,444 kWh |
| Natural gas | 17,810 therms |
| Gross floor area | 53,506 sq ft |
| Source record | california:6829235:2022 |
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
- 8421 Langdon Avenue, Los Angeles
- City
- California
- State
- California
- ZIP
- 91343
- Coordinates
- 34.22332, -118.46990
Within ~1 km
Nearby benchmarked buildings
- Mission Gatewayscore 100
Multifamily Housing · 525,369 sq ft
Self-Storage Facility · 123,925 sq ft
- North Hills Villagescore 100
Multifamily Housing · 121,802 sq ft
- Sh5 417775902150score —
Manufacturing/Industrial Plant · 117,270 sq ft
- North Hills Village Apartmentsscore 26
Multifamily Housing · 104,610 sq ft
- Galpin Premierscore 43
Vehicle Dealership · 103,355 sq ft
See also: most efficient in California · biggest emitters
How does Weiss - 8421 Langdon Ave: 8421 Langdon Ave 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. Weiss - 8421 Langdon Ave: 8421 Langdon Ave'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 emissions intensity of 1.9 kgCO₂e/ft² is roughly in line with the group average of 2.1 kgCO₂e/ft².
At 53,506 sq ft, it is about 65% below the average floor area of 150,919 sq ft for those buildings. It was built in 1964, 24 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.
Which law requires Weiss - 8421 Langdon Ave: 8421 Langdon Ave to report its energy use?
Weiss - 8421 Langdon Ave: 8421 Langdon Ave 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 2022 disclosure (source record california:6829235:2022). 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
- Florigrove Apartments· 53,500 sq ft · score 12 (D)
- Parkwood Apartments - 15900 Alicante Rd, La Mirada, Ca 90638, Usa· 53,496 sq ft · score 96 (A)
- 1917 Rodney Dr· 53,487 sq ft · score 72 (B)
- 1917 Rodney Dr· 53,487 sq ft · score 57 (C)
- 3852 Vinton· 53,480 sq ft · score 98 (A)
- Del Rio #2116· 53,479 sq ft · score 100 (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 Weiss - 8421 Langdon Ave: 8421 Langdon Ave's energy grade?
Weiss - 8421 Langdon Ave: 8421 Langdon Ave scores 100 out of 100 on ENERGY STAR — band A, high performer (85–100) — in its 2022 California disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Weiss - 8421 Langdon Ave: 8421 Langdon Ave use?
No energy-use intensity was reported for 2022.
What are Weiss - 8421 Langdon Ave: 8421 Langdon Ave's carbon emissions?
Weiss - 8421 Langdon Ave: 8421 Langdon Ave reported 100 tCO₂e of greenhouse-gas emissions (1.9 kgCO₂e/ft²) for 2022.
Where is Weiss - 8421 Langdon Ave: 8421 Langdon Ave?
Weiss - 8421 Langdon Ave: 8421 Langdon Ave is at 8421 Langdon Avenue, Los Angeles, in Los Angeles, California 91343. Its coordinates are 34.22332, -118.46990 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is Weiss - 8421 Langdon Ave: 8421 Langdon Ave and when was it built?
Weiss - 8421 Langdon Ave: 8421 Langdon Ave has 53,506 sq ft of gross floor area, as reported in its 2022 disclosure. The disclosure lists 1964 as its year built. It is classed as multifamily housing.
Is Weiss - 8421 Langdon Ave: 8421 Langdon Ave covered by AB 802 (Public Resources Code §25402.10)?
Yes — it appears in the 2022 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, “Weiss - 8421 Langdon Ave: 8421 Langdon Ave, Los Angeles, California — 2022 benchmarking disclosure”, https://buildingcensus.com/buildings/california/weiss-8421-langdon-ave-8421-langdon-ave-5b80d66a (data as of July 9, 2026).