Lassen Apartments
Mixed Residential in San Francisco, CA · 441 ELLIS ST · 94102
SF Environment Code Chapter 20 · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 50 (band D) |
| Site EUI | 84.1 kBtu/ft² |
| Source EUI | 126.0 kBtu/ft² |
| GHG emissions | 190 tCO₂e |
| GHG intensity | 4.6 kgCO₂e/ft² |
| Electricity | 263,492 kWh |
| Natural gas | 26,137 therms |
| Gross floor area | 41,750 sq ft |
| Source record | sf:0333/020:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | 50 | +7 | 84.1 kBtu/ft² | 190 tCO₂e |
| 2023 | 43 | -4 | 85.9 kBtu/ft² | 207 tCO₂e |
| 2022 | 47 | 88.3 kBtu/ft² | 209 tCO₂e | |
| 2021 | — | 113.6 kBtu/ft² | 257 tCO₂e | |
| 2020 | — | 115.4 kBtu/ft² | 266 tCO₂e | |
| 2019 | 21 | +3 | 117.9 kBtu/ft² | 274 tCO₂e |
| 2018 | 18 | 120.3 kBtu/ft² | 279 tCO₂e |
Compliance context
SF Environment Code Chapter 20
San Francisco's ordinance requires annual benchmarking for commercial buildings over 10,000 sq ft, with administrative penalties for buildings that fail to report.
Ownership
No owner listed in the disclosure.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 441 ELLIS ST
- City
- San Francisco
- State
- California
- ZIP
- 94102
- Coordinates
- 37.78450, -122.41345
Within ~1 km
Nearby benchmarked buildings
Commercial · 1,964,250 sq ft
- Hilton San Francisco Union Square (San Franciscoofh)score —
Hotel · 1,964,250 sq ft
- Hilton San Francisco Union Square (Sfofh)score 89
Hotel · 1,964,250 sq ft
- Westin St. Francis Hotelscore 100
Commercial · 1,315,996 sq ft
- 84Sch - Westin St. Francisscore 97
Hotel · 1,248,492 sq ft
- The Westin St. Francisscore 51
Hotel · 1,183,542 sq ft
See also: most efficient in San Francisco · biggest emitters
Frequently asked questions
What is Lassen Apartments's energy grade?
Lassen Apartments scores 50 out of 100 on ENERGY STAR — band D (Lowest band (1–54)) — in its 2025 San Francisco disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Lassen Apartments use?
Its 2025 site energy-use intensity was 84.1 kBtu/ft² (126.0 kBtu/ft² source) across 41,750 sq ft, including 263,492 kWh of electricity and 26,137 therms of natural gas.
What are Lassen Apartments's carbon emissions?
Lassen Apartments reported 190 tCO₂e of greenhouse-gas emissions (4.6 kgCO₂e/ft²) for 2025. San Francisco's ordinance requires annual benchmarking for commercial buildings over 10,000 sq ft, with administrative penalties for buildings that fail to report.
Dataset updated . Source: Existing Buildings Energy Performance Ordinance disclosure, record sf:0333/020:2025.