2309 BLAKE ST
Multifamily (5+ Units) in Berkeley, CA
BESO (BMC Chapter 19.81) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 100 (band A) |
| Site EUI | 9.3 kBtu/ft² |
| Source EUI | 25.9 kBtu/ft² |
| GHG emissions | — |
| GHG intensity | — |
| Electricity | 95,594 kWh |
| Gross floor area | 35,220 sq ft |
| Source record | berkeley:1880:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 100 | ±0 | 9.3 kBtu/ft² | — |
| 2024 | 100 | ±0 | 8.9 kBtu/ft² | — |
| 2023 | 100 | ±0 | 19.9 kBtu/ft² | — |
| 2022 | 100 | 21.0 kBtu/ft² | — |
Compliance context
BESO (BMC Chapter 19.81)
BESO requires energy assessments and benchmarking for buildings over 15,000 sq ft, with compliance enforced through the city's assessment cycles.
Ownership
No owner listed in the disclosure.
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Location
- Address
- 2309 BLAKE ST
- City
- Berkeley
- State
- California
Within ~1 km
Nearby benchmarked buildings
This source publishes no coordinates, so nearby buildings can't be resolved yet.
See also: most efficient in Berkeley · biggest emitters
Frequently asked questions
What is 2309 BLAKE ST's energy grade?
2309 BLAKE ST scores 100 out of 100 on ENERGY STAR — band A (High performer (85–100)) — in its 2025 Berkeley disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 2309 BLAKE ST use?
Its 2025 site energy-use intensity was 9.3 kBtu/ft² (25.9 kBtu/ft² source) across 35,220 sq ft, including 95,594 kWh of electricity.
What are 2309 BLAKE ST's carbon emissions?
No greenhouse-gas emissions figure was reported for 2025. BESO requires energy assessments and benchmarking for buildings over 15,000 sq ft, with compliance enforced through the city's assessment cycles.
Dataset updated . Source: Building Energy Saving Ordinance disclosure, record berkeley:1880:2025.