Delta Delta Delta
Multifamily (5+ Units) in Berkeley, CA · 2300 WARRING ST
BESO (BMC Chapter 19.81) · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 75 (band B) |
| Site EUI | 47.4 kBtu/ft² |
| Source EUI | 82.7 kBtu/ft² |
| GHG emissions | — |
| GHG intensity | — |
| Electricity | 98,346 kWh |
| Natural gas | 5,085 therms |
| Gross floor area | 17,822 sq ft |
| Source record | berkeley:8450:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 75 | -12 | 47.4 kBtu/ft² | — |
| 2024 | 87 | +4 | 42.2 kBtu/ft² | — |
| 2023 | 83 | +4 | 45.1 kBtu/ft² | — |
| 2022 | 79 | 52.5 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
- 2300 WARRING 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 Delta Delta Delta's energy grade?
Delta Delta Delta scores 75 out of 100 on ENERGY STAR — band B (Above median (70–84)) — in its 2025 Berkeley disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Delta Delta Delta use?
Its 2025 site energy-use intensity was 47.4 kBtu/ft² (82.7 kBtu/ft² source) across 17,822 sq ft, including 98,346 kWh of electricity and 5,085 therms of natural gas.
What are Delta Delta Delta'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:8450:2025.