Wittenberg Manor
Multifamily Housing in California, CA · 657 Bartlett Avenue, Hayward · 94541
AB 802 (Public Resources Code §25402.10) · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 97 (band A) |
| Site EUI | 34.9 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 157 tCO₂e |
| GHG intensity | 2.0 kgCO₂e/ft² |
| Electricity | 83,719 kWh |
| Natural gas | 25,727 therms |
| Gross floor area | 79,981 sq ft |
| Source record | california:27385034:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | 97 | -1 | 34.9 kBtu/ft² | 157 tCO₂e |
| 2022 | 98 | 33.8 kBtu/ft² | 150 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 owner listed in the disclosure.
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Location
- Address
- 657 Bartlett Avenue, Hayward
- City
- California
- State
- California
- ZIP
- 94541
- Coordinates
- 37.67048, -122.11728
Within ~1 km
Nearby benchmarked buildings
- Hayward North (2185)score 87
Retail Store · 141,890 sq ft
- 1017 - Haywardscore 34
Retail Store · 107,920 sq ft
- Junction Flats (Bd01)score —
Multifamily Housing · 77,301 sq ft
See also: most efficient in California · biggest emitters
Frequently asked questions
What is Wittenberg Manor's energy grade?
Wittenberg Manor scores 97 out of 100 on ENERGY STAR — band A (High performer (85–100)) — in its 2023 California disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Wittenberg Manor use?
Its 2023 site energy-use intensity was 34.9 kBtu/ft² across 79,981 sq ft, including 83,719 kWh of electricity and 25,727 therms of natural gas.
What are Wittenberg Manor's carbon emissions?
Wittenberg Manor reported 157 tCO₂e of greenhouse-gas emissions (2.0 kgCO₂e/ft²) for 2023. 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.
Dataset updated . Source: Building Energy Benchmarking Program (statewide) disclosure, record california:27385034:2023.