Hedco Neuroscience Building (Hnb)
College/University in California, CA · 3641 S Watt Way, Los Angeles · 90089
At a glance
Hedco Neuroscience Building (Hnb) is a 67,109-square-foot college/university building at 3641 S Watt Way, Los Angeles in Los Angeles, California, built in 1989. In its 2020 California benchmarking disclosure it reported a site energy-use intensity of 399.7 kBtu/ft² and 1,534 tCO₂e of greenhouse-gas emissions.
AB 802 (Public Resources Code §25402.10) · reporting year 2020
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 399.7 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 1,534 tCO₂e |
| GHG intensity | 22.9 kgCO₂e/ft² |
| Electricity | 1,245,300 kWh |
| Natural gas | 65,326 therms |
| Gross floor area | 67,109 sq ft |
| Source record | california:6798292:2020 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2020latest | — | 399.7 kBtu/ft² | 1,534 tCO₂e | |
| 2019 | — | 318.2 kBtu/ft² | 1,191 tCO₂e | |
| 2018 | — | 267.4 kBtu/ft² | 1,033 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
- 3641 S Watt Way, Los Angeles
- City
- California
- State
- California
- ZIP
- 90089
- Coordinates
- 34.02072, -118.28787
Within ~1 km
Nearby benchmarked buildings
- University Park Campus (Upc)score —
College/University · 8,763,109 sq ft
- University Village (Uvi)score —
Residence Hall/Dormitory · 1,207,266 sq ft
- Parking Structure A (Psa)score —
Parking · 548,534 sq ft
Residence Hall/Dormitory · 492,541 sq ft
Museum · 425,224 sq ft
- Parking Structure D (Psd)score —
Parking · 406,254 sq ft
See also: most efficient in California · biggest emitters
How does Hedco Neuroscience Building (Hnb) compare with other college/university buildings in California?
The latest disclosures cover 497 college/university buildings in California, out of 40,029 buildings citywide. Its site EUI of 399.7 kBtu/ft² is about 402% above the average of 79.7 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 22.9 kgCO₂e/ft² is about 377% above the group average of 4.8 kgCO₂e/ft².
At 67,109 sq ft, it is about 88% below the average floor area of 569,516 sq ft for those buildings. It was built in 1989, 21 years later than the group's average year built (1969). Across all 24 jurisdictions BuildingCensus covers, the 2,113 college/university buildings average an ENERGY STAR score of 68 and a site EUI of 98.7 kBtu/ft².
How has Hedco Neuroscience Building (Hnb)'s energy performance changed over time?
BuildingCensus holds 3 California disclosures for Hedco Neuroscience Building (Hnb), covering report years 2018–2020. Site EUI moved from 267.4 kBtu/ft² (2018) to 399.7 kBtu/ft² (2020), an 49% increase. Reported emissions went from 1,033 tCO₂e to 1,534 tCO₂e over the same span (up 49%).
What does a site EUI of 399.7 kBtu/ft² mean?
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. Hedco Neuroscience Building (Hnb)'s 399.7 kBtu/ft² across 67,109 sq ft works out to about 26.8 billion Btu (7,861 MWh-equivalent) in 2020. The disclosure also reports 1,245,300 kWh of electricity and 65,326 therms of natural gas for the year.
Which law requires Hedco Neuroscience Building (Hnb) to report its energy use?
Hedco Neuroscience Building (Hnb) 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:6798292:2020). 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 college/university buildings in California
- Dorraine Zief Law Library· 67,014 sq ft · EUI 31.9 kBtu/ft²
- Ryan Learning Center-College/University· 66,500 sq ft · EUI 55.7 kBtu/ft²
- Oxford Tract· 66,240 sq ft
- Eshleman Hall· 66,203 sq ft · EUI 35.1 kBtu/ft²
- C.V. Starr East Asian Library· 65,860 sq ft · EUI 37.0 kBtu/ft²
- 654 Minnesota· 65,525 sq ft · EUI 57.6 kBtu/ft²
- College/University buildings in California· 497 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 Hedco Neuroscience Building (Hnb)'s energy grade?
Hedco Neuroscience Building (Hnb) did not report an ENERGY STAR score in its 2020 disclosure, but its site energy-use intensity was 399.7 kBtu/ft².
How much energy does Hedco Neuroscience Building (Hnb) use?
Its 2020 site energy-use intensity was 399.7 kBtu/ft² across 67,109 sq ft, including 1,245,300 kWh of electricity and 65,326 therms of natural gas.
What are Hedco Neuroscience Building (Hnb)'s carbon emissions?
Hedco Neuroscience Building (Hnb) reported 1,534 tCO₂e of greenhouse-gas emissions (22.9 kgCO₂e/ft²) for 2020.
Where is Hedco Neuroscience Building (Hnb)?
Hedco Neuroscience Building (Hnb) is at 3641 S Watt Way, Los Angeles, in Los Angeles, California 90089. Its coordinates are 34.02072, -118.28787 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is Hedco Neuroscience Building (Hnb) and when was it built?
Hedco Neuroscience Building (Hnb) has 67,109 sq ft of gross floor area, as reported in its 2020 disclosure. The disclosure lists 1989 as its year built. It is classed as college/university.
Is Hedco Neuroscience Building (Hnb) 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).
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, “Hedco Neuroscience Building (Hnb), Los Angeles, California — 2020 benchmarking disclosure”, https://buildingcensus.com/buildings/california/hedco-neuroscience-building-hnb-10800e89 (data as of July 9, 2026).