Young Chi Shing, Inc.
Office in California, CA · 259 Post Street, San Francisco · 94108
At a glance
Young Chi Shing, Inc. is a 64,800-square-foot office building at 259 Post Street, San Francisco in San Francisco, California, built in 1909. In its 2024 California benchmarking disclosure it reported an ENERGY STAR score of 65 out of 100 (grade C), a site energy-use intensity of 43.9 kBtu/ft² and 188 tCO₂e of greenhouse-gas emissions. That score is higher than 25% of the 4,912 scored office buildings in California.
AB 802 (Public Resources Code §25402.10) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 65 (band C) |
| Site EUI | 43.9 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 188 tCO₂e |
| GHG intensity | 2.9 kgCO₂e/ft² |
| Electricity | 494,033 kWh |
| Gross floor area | 64,800 sq ft |
| Source record | california:3127471:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 65 | -5 | 43.9 kBtu/ft² | 188 tCO₂e |
| 2023 | 70 | -13 | 50.2 kBtu/ft² | 226 tCO₂e |
| 2022 | 83 | +9 | 35.4 kBtu/ft² | 156 tCO₂e |
| 2021 | 74 | +4 | 44.6 kBtu/ft² | 180 tCO₂e |
| 2020 | 70 | +9 | 50.3 kBtu/ft² | 203 tCO₂e |
| 2019 | 61 | +19 | 55.5 kBtu/ft² | 232 tCO₂e |
| 2018 | 42 | 63.3 kBtu/ft² | 281 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
- 259 Post Street, San Francisco
- City
- California
- State
- California
- ZIP
- 94108
- Coordinates
- 37.78846, -122.40635
Within ~1 km
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How does Young Chi Shing, Inc. compare with other office buildings in California?
The latest disclosures cover 6,214 office buildings in California, out of 40,029 buildings citywide. Young Chi Shing, Inc.'s ENERGY STAR score of 65 compares with an average of 75 across the 4,912 that report a score; it scores higher than 25% of them and lower than 74%. Its site EUI of 43.9 kBtu/ft² is about 22% below the average of 56.4 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 2.9 kgCO₂e/ft² is about 19% below the group average of 3.6 kgCO₂e/ft².
At 64,800 sq ft, it is about 57% below the average floor area of 151,937 sq ft for those buildings. It was built in 1909, 76 years earlier than the group's average year built (1985). Across all 24 jurisdictions BuildingCensus covers, the 15,264 office buildings average an ENERGY STAR score of 73 and a site EUI of 59.3 kBtu/ft².
How has Young Chi Shing, Inc.'s energy performance changed over time?
BuildingCensus holds 7 California disclosures for Young Chi Shing, Inc., covering report years 2018–2024. Its ENERGY STAR score went from 42 in 2018 to 65 in 2024 (+23 points); its best year on file was 2022, at 83. Site EUI moved from 63.3 kBtu/ft² (2018) to 43.9 kBtu/ft² (2024), a 31% decrease. Reported emissions went from 281 tCO₂e to 188 tCO₂e over the same span (down 33%).
What does an ENERGY STAR score of 65 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 65 means the building performs better than about 65% of its national peers. BuildingCensus bands the score into report-card grades; 65 falls in band C — below median (55–69). It sits 10 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. Young Chi Shing, Inc.'s 43.9 kBtu/ft² across 64,800 sq ft works out to about 2.8 billion Btu (834 MWh-equivalent) in 2024. The disclosure also reports 494,033 kWh of electricity for the year.
Which law requires Young Chi Shing, Inc. to report its energy use?
Young Chi Shing, Inc. 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:3127471:2024). 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.
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Frequently asked questions
What is Young Chi Shing, Inc.'s energy grade?
Young Chi Shing, Inc. scores 65 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 Young Chi Shing, Inc. use?
Its 2024 site energy-use intensity was 43.9 kBtu/ft² across 64,800 sq ft, including 494,033 kWh of electricity.
What are Young Chi Shing, Inc.'s carbon emissions?
Young Chi Shing, Inc. reported 188 tCO₂e of greenhouse-gas emissions (2.9 kgCO₂e/ft²) for 2024.
Where is Young Chi Shing, Inc.?
Young Chi Shing, Inc. is at 259 Post Street, San Francisco, in San Francisco, California 94108. Its coordinates are 37.78846, -122.40635 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is Young Chi Shing, Inc. and when was it built?
Young Chi Shing, Inc. has 64,800 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1909 as its year built. It is classed as office.
Is Young Chi Shing, Inc. 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, “Young Chi Shing, Inc., San Francisco, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/young-chi-shing-inc-47d08a72 (data as of July 9, 2026).