Broadway-Sansome: Broadway-Sansome
Multifamily Housing in California, CA · 255 Broadway, San Francisco · 94111
At a glance
Broadway-Sansome: Broadway-Sansome is a 74,268-square-foot multifamily housing building at 255 Broadway, San Francisco in San Francisco, California, built in 2015. In its 2024 California benchmarking disclosure it reported an ENERGY STAR score of 57 out of 100 (grade C), a site energy-use intensity of 50.4 kBtu/ft² and 223 tCO₂e of greenhouse-gas emissions. That score is higher than 13% of the 9,612 scored multifamily housing buildings in California.
AB 802 (Public Resources Code §25402.10) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 57 (band C) |
| Site EUI | 50.4 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 223 tCO₂e |
| GHG intensity | 3.0 kgCO₂e/ft² |
| Electricity | 442,235 kWh |
| Natural gas | 23,142 therms |
| Gross floor area | 74,268 sq ft |
| Source record | california:7151677:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 57 | +28 | 50.4 kBtu/ft² | 223 tCO₂e |
| 2023 | 29 | +2 | 65.9 kBtu/ft² | 294 tCO₂e |
| 2022 | 27 | +3 | 68.6 kBtu/ft² | 298 tCO₂e |
| 2021 | 24 | +1 | 68.0 kBtu/ft² | 277 tCO₂e |
| 2020 | 23 | -1 | 71.6 kBtu/ft² | 283 tCO₂e |
| 2019 | 24 | 67.5 kBtu/ft² | 289 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 owning organisation shown. Names of private individuals in the disclosure are not published here.
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Location
- Address
- 255 Broadway, San Francisco
- City
- California
- State
- California
- ZIP
- 94111
- Coordinates
- 37.79832, -122.40187
Within ~1 km
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See also: most efficient in California · biggest emitters
How does Broadway-Sansome: Broadway-Sansome compare with other multifamily housing buildings in California?
The latest disclosures cover 10,630 multifamily housing buildings in California, out of 40,029 buildings citywide. Broadway-Sansome: Broadway-Sansome's ENERGY STAR score of 57 compares with an average of 82 across the 9,612 that report a score; it scores higher than 13% of them and lower than 87%. Its site EUI of 50.4 kBtu/ft² is about 47% above the average of 34.4 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 3.0 kgCO₂e/ft² is about 43% above the group average of 2.1 kgCO₂e/ft².
At 74,268 sq ft, it is about half of the average floor area of 150,919 sq ft for those buildings. It was built in 2015, 27 years later than the group's average year built (1988). Across all 24 jurisdictions BuildingCensus covers, the 59,945 multifamily housing buildings average an ENERGY STAR score of 70 and a site EUI of 59.0 kBtu/ft².
How has Broadway-Sansome: Broadway-Sansome's energy performance changed over time?
BuildingCensus holds 6 California disclosures for Broadway-Sansome: Broadway-Sansome, covering report years 2019–2024. Its ENERGY STAR score went from 24 in 2019 to 57 in 2024 (+33 points). Site EUI moved from 67.5 kBtu/ft² (2019) to 50.4 kBtu/ft² (2024), a 25% decrease. Reported emissions went from 289 tCO₂e to 223 tCO₂e over the same span (down 23%).
What does an ENERGY STAR score of 57 mean?
ENERGY STAR scores run from 1 to 100 and are computed by the EPA's Portfolio Manager as a percentile against similar buildings nationwide, adjusted for climate, size and use: a score of 57 means the building performs better than about 57% of its national peers. BuildingCensus bands the score into report-card grades; 57 falls in band C — below median (55–69). It sits 18 points below 75, the threshold for ENERGY STAR certification. In California, 65% of scored buildings are at 75 or above.
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: Broadway-Sansome's 50.4 kBtu/ft² across 74,268 sq ft works out to about 3.7 billion Btu (1,097 MWh-equivalent) in 2024. The disclosure also reports 442,235 kWh of electricity and 23,142 therms of natural gas for the year.
Which law requires Broadway-Sansome: Broadway-Sansome to report its energy use?
Broadway-Sansome: Broadway-Sansome reports under AB 802 (Public Resources Code §25402.10), the legal basis of California's Building Energy Benchmarking Program (statewide), which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2024 disclosure (source record california:7151677:2024). 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.
More multifamily housing buildings in California
- Cinnamon Village Apartments· 74,255 sq ft · score 90 (A)
- 8505 Arlington Ave.· 74,254 sq ft · score 100 (A)
- Rotary Manor· 74,250 sq ft · score 99 (A)
- The Ridge At Mcclellan (Hd60)· 74,250 sq ft · EUI 53.9 kBtu/ft²
- Latham Square Apartments· 74,243 sq ft · score 84 (B)
- Monte Vista Terrace: 2355 Monte Vista Terrace· 74,234 sq ft · score 48 (D)
- Multifamily Housing buildings in California· 10,630 benchmarked
- All California benchmarked buildings· AB 802 (Public Resources Code §25402.10)
- Most efficient large buildings in California
- Least efficient large buildings in California
- Biggest emitters in California
Frequently asked questions
What is Broadway-Sansome: Broadway-Sansome's energy grade?
Broadway-Sansome: Broadway-Sansome scores 57 out of 100 on ENERGY STAR — band C, below median (55–69) — in its 2024 California disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Broadway-Sansome: Broadway-Sansome use?
Its 2024 site energy-use intensity was 50.4 kBtu/ft² across 74,268 sq ft, including 442,235 kWh of electricity and 23,142 therms of natural gas.
What are Broadway-Sansome: Broadway-Sansome's carbon emissions?
Broadway-Sansome: Broadway-Sansome reported 223 tCO₂e of greenhouse-gas emissions (3.0 kgCO₂e/ft²) for 2024.
Where is Broadway-Sansome: Broadway-Sansome?
Broadway-Sansome: Broadway-Sansome is at 255 Broadway, San Francisco, in San Francisco, California 94111. Its coordinates are 37.79832, -122.40187 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is Broadway-Sansome: Broadway-Sansome and when was it built?
Broadway-Sansome: Broadway-Sansome has 74,268 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2015 as its year built. It is classed as multifamily housing.
Is Broadway-Sansome: Broadway-Sansome covered by AB 802 (Public Resources Code §25402.10)?
Yes — it appears in the 2024 Building Energy Benchmarking Program (statewide) disclosure, which lists the buildings reporting under AB 802 (Public Resources Code §25402.10).
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About this data
Source: Building Energy Benchmarking Program (statewide) (AB 802 (Public Resources Code §25402.10)), as published July 9, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “Broadway-Sansome: Broadway-Sansome, San Francisco, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/broadway-sansome-broadway-sansome-03258e9e (data as of July 9, 2026).