400 Castro Street
Mixed Use Property in California, CA · 400 Castro Street, Mountain View · 94041
AB 802 (Public Resources Code §25402.10) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 95 (band A) |
| Site EUI | 62.4 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 559 tCO₂e |
| GHG intensity | 3.8 kgCO₂e/ft² |
| Electricity | 1,854,966 kWh |
| Natural gas | 26,215 therms |
| Gross floor area | 146,586 sq ft |
| Source record | california:1255913:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 95 | +2 | 62.4 kBtu/ft² | 559 tCO₂e |
| 2023 | 93 | +6 | 65.6 kBtu/ft² | 641 tCO₂e |
| 2022 | 87 | -6 | 73.4 kBtu/ft² | 701 tCO₂e |
| 2021 | 93 | -3 | 61.6 kBtu/ft² | 541 tCO₂e |
| 2020 | 96 | +3 | 63.1 kBtu/ft² | 585 tCO₂e |
| 2019 | 93 | +5 | 84.8 kBtu/ft² | 821 tCO₂e |
| 2018 | 88 | 95.0 kBtu/ft² | 929 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
- 400 Castro Street, Mountain View
- City
- California
- State
- California
- ZIP
- 94041
- Coordinates
- 37.39110, -122.08107
Within ~1 km
Nearby benchmarked buildings
- Park Place: Park Placescore 44
Multifamily Housing · 305,860 sq ft
- 444 Castroscore 94
Office · 294,579 sq ft
Multifamily Housing · 264,440 sq ft
- 100 Moffett: 100 Moffettscore 82
Multifamily Housing · 217,280 sq ft
Multifamily Housing · 202,846 sq ft
- Madera: Maderascore 50
Multifamily Housing · 201,985 sq ft
See also: most efficient in California · biggest emitters
Frequently asked questions
What is 400 Castro Street's energy grade?
400 Castro Street scores 95 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 400 Castro Street use?
Its 2024 site energy-use intensity was 62.4 kBtu/ft² across 146,586 sq ft, including 1,854,966 kWh of electricity and 26,215 therms of natural gas.
What are 400 Castro Street's carbon emissions?
400 Castro Street reported 559 tCO₂e of greenhouse-gas emissions (3.8 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:1255913:2024.