Walnut Hills Apartments
Multifamily Housing in California, CA · 1137 Walpert Street, Hayward · 94541
AB 802 (Public Resources Code §25402.10) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 100 (band A) |
| Site EUI | 11.5 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 109 tCO₂e |
| GHG intensity | 0.6 kgCO₂e/ft² |
| Electricity | 152,920 kWh |
| Natural gas | 14,023 therms |
| Gross floor area | 174,200 sq ft |
| Source record | california:17707101:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 100 | ±0 | 11.5 kBtu/ft² | 109 tCO₂e |
| 2023 | 100 | ±0 | 13.0 kBtu/ft² | 133 tCO₂e |
| 2022 | 100 | ±0 | 13.0 kBtu/ft² | 131 tCO₂e |
| 2021 | 100 | ±0 | 13.0 kBtu/ft² | 121 tCO₂e |
| 2020 | 100 | 13.9 kBtu/ft² | 124 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.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 1137 Walpert Street, Hayward
- City
- California
- State
- California
- ZIP
- 94541
- Coordinates
- 37.66839, -122.07367
Within ~1 km
Nearby benchmarked buildings
- 1374-Haywardscore —
Self-Storage Facility · 127,140 sq ft
- Cinema Garagescore —
Parking · 83,267 sq ft
- Andina Apartmentsscore 99
Multifamily Housing · 71,806 sq ft
Multifamily Housing · 64,000 sq ft
- Leisure Terracescore 92
Multifamily Housing · 56,800 sq ft
- Spring Ridge Apartmentsscore 100
Multifamily Housing · 44,835 sq ft
See also: most efficient in California · biggest emitters
Frequently asked questions
What is Walnut Hills Apartments's energy grade?
Walnut Hills Apartments scores 100 out of 100 on ENERGY STAR — band A (High performer (85–100)) — in its 2024 California disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Walnut Hills Apartments use?
Its 2024 site energy-use intensity was 11.5 kBtu/ft² across 174,200 sq ft, including 152,920 kWh of electricity and 14,023 therms of natural gas.
What are Walnut Hills Apartments's carbon emissions?
Walnut Hills Apartments reported 109 tCO₂e of greenhouse-gas emissions (0.6 kgCO₂e/ft²) for 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.
Dataset updated . Source: Building Energy Benchmarking Program (statewide) disclosure, record california:17707101:2024.