Broadway Sansome Family Housing
Multifamily in San Francisco, CA · 255 Broadway St · 94111
At a glance
Broadway Sansome Family Housing is a 87,715-square-foot multifamily building at 255 Broadway St in San Francisco, California, built in 2015. In its 2025 San Francisco benchmarking disclosure it reported a site energy-use intensity of 44.3 kBtu/ft² and 212 tCO₂e of greenhouse-gas emissions.
SF Environment Code Chapter 20 · reporting year 2025
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 44.3 kBtu/ft² |
| Source EUI | 75.2 kBtu/ft² |
| GHG emissions | 212 tCO₂e |
| GHG intensity | 2.4 kgCO₂e/ft² |
| Electricity | 421,419 kWh |
| Natural gas | 24,478 therms |
| Gross floor area | 87,715 sq ft |
| Source record | sf:0165/021:2025 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2025latest | — | 44.3 kBtu/ft² | 212 tCO₂e | |
| 2024 | 57 | +28 | 51.5 kBtu/ft² | 223 tCO₂e |
| 2023 | 29 | +2 | 67.0 kBtu/ft² | 294 tCO₂e |
| 2022 | 27 | 68.9 kBtu/ft² | 298 tCO₂e | |
| 2021 | — | 67.0 kBtu/ft² | 277 tCO₂e | |
| 2020 | — | — | — | |
| 2019 | — | — | — | |
| 2018 | 25 | 66.2 kBtu/ft² | 292 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 owning organisation shown. Names of private individuals in the disclosure are not published here.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 255 Broadway St
- City
- San Francisco
- State
- California
- ZIP
- 94111
- Coordinates
- 37.79830, -122.40163
Within ~1 km
Nearby benchmarked buildings
- 555 Californiascore 75
Commercial · 1,968,807 sq ft
- PGE-GO Complexscore —
Commercial · 1,948,626 sq ft
- One Market Plazascore 80
Commercial · 1,870,178 sq ft
- One Market Plazascore 79
Office · 1,830,339 sq ft
- 555 California Streetscore 76
Office · 1,810,397 sq ft
- 500 BATTERY STscore —
Mixed Residential · 1,779,579 sq ft
See also: most efficient in San Francisco · biggest emitters
How does Broadway Sansome Family Housing compare with other multifamily buildings in San Francisco?
The latest disclosures cover 192 multifamily buildings in San Francisco, out of 2,509 buildings citywide. Its site EUI of 44.3 kBtu/ft² is about 27% above the average of 34.9 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 2.4 kgCO₂e/ft² is about 27% above the group average of 1.9 kgCO₂e/ft².
At 87,715 sq ft, it is about half of the average floor area of 191,699 sq ft for those buildings. It was built in 2015, 29 years later than the group's average year built (1986). Across all 24 jurisdictions BuildingCensus covers, the 238 multifamily buildings average an ENERGY STAR score of 86 and a site EUI of 34.8 kBtu/ft².
How has Broadway Sansome Family Housing's energy performance changed over time?
BuildingCensus holds 8 San Francisco disclosures for Broadway Sansome Family Housing, covering report years 2018–2025. Its ENERGY STAR score went from 25 in 2018 to 57 in 2024 (+32 points). Site EUI moved from 66.2 kBtu/ft² (2018) to 44.3 kBtu/ft² (2025), a 33% decrease. Reported emissions went from 292 tCO₂e to 212 tCO₂e over the same span (down 27%).
What does a site EUI of 44.3 kBtu/ft² mean?
Site energy-use intensity (EUI) is the energy a building uses on site in a year divided by its floor area, in thousand Btu per square foot — lower is more efficient. Broadway Sansome Family Housing's 44.3 kBtu/ft² across 87,715 sq ft works out to about 3.9 billion Btu (1,139 MWh-equivalent) in 2025. Its source EUI of 75.2 kBtu/ft² also counts the energy lost generating and delivering that power, which is why it is higher. The disclosure also reports 421,419 kWh of electricity and 24,478 therms of natural gas for the year.
Which law requires Broadway Sansome Family Housing to report its energy use?
Broadway Sansome Family Housing reports under SF Environment Code Chapter 20, the legal basis of San Francisco's Existing Buildings Energy Performance Ordinance, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2025 disclosure (source record sf:0165/021:2025). San Francisco's ordinance requires annual benchmarking for commercial buildings over 10,000 sq ft, with administrative penalties for buildings that fail to report.
More multifamily buildings in San Francisco
- 1880 JACKSON ST· 86,317 sq ft
- 1491 Sunnydale Ave· 86,211 sq ft · score 98 (A)
- Pacific Pointe· 83,374 sq ft · score 96 (A)
- 21 CLARENCE PL· 82,375 sq ft · score 79 (B)
- 1817 EDDY ST· 82,320 sq ft
- 973 MARKET ST· 81,541 sq ft · score 99 (A)
- Multifamily buildings in San Francisco· 192 benchmarked
- All San Francisco benchmarked buildings· SF Environment Code Chapter 20
- Most efficient large buildings in San Francisco
- Least efficient large buildings in San Francisco
- Biggest emitters in San Francisco
Frequently asked questions
What is Broadway Sansome Family Housing's energy grade?
Broadway Sansome Family Housing did not report an ENERGY STAR score in its 2025 disclosure, but its site energy-use intensity was 44.3 kBtu/ft².
How much energy does Broadway Sansome Family Housing use?
Its 2025 site energy-use intensity was 44.3 kBtu/ft² (75.2 kBtu/ft² source) across 87,715 sq ft, including 421,419 kWh of electricity and 24,478 therms of natural gas.
What are Broadway Sansome Family Housing's carbon emissions?
Broadway Sansome Family Housing reported 212 tCO₂e of greenhouse-gas emissions (2.4 kgCO₂e/ft²) for 2025.
Where is Broadway Sansome Family Housing?
Broadway Sansome Family Housing is at 255 Broadway St, in San Francisco, California 94111. Its coordinates are 37.79830, -122.40163 (latitude, longitude), as published in the Existing Buildings Energy Performance Ordinance file.
How big is Broadway Sansome Family Housing and when was it built?
Broadway Sansome Family Housing has 87,715 sq ft of gross floor area, as reported in its 2025 disclosure. The disclosure lists 2015 as its year built. It is classed as multifamily.
Is Broadway Sansome Family Housing covered by SF Environment Code Chapter 20?
Yes — it appears in the 2025 Existing Buildings Energy Performance Ordinance disclosure, which lists the buildings reporting under SF Environment Code Chapter 20.
Working with San Francisco building benchmarking records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
About this data
Source: Existing Buildings Energy Performance Ordinance (SF Environment Code Chapter 20), as published October 2, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “Broadway Sansome Family Housing, San Francisco, California — 2025 benchmarking disclosure”, https://buildingcensus.com/buildings/san-francisco/broadway-sansome-family-housing-08f2cf13 (data as of October 2, 2026).