259-277 Wattis Way
Other in California, CA · 259 Wattis Way, South San Francisco · 94080
At a glance
259-277 Wattis Way is a 56,190-square-foot other building at 259 Wattis Way, South San Francisco in South San Francisco, California, built in 1975. In its 2024 California benchmarking disclosure it reported a site energy-use intensity of 7.1 kBtu/ft² and 26 tCO₂e of greenhouse-gas emissions.
AB 802 (Public Resources Code §25402.10) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 7.1 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 26 tCO₂e |
| GHG intensity | 0.5 kgCO₂e/ft² |
| Electricity | 106,451 kWh |
| Natural gas | 373 therms |
| Gross floor area | 56,190 sq ft |
| Source record | california:12874348:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 7.1 kBtu/ft² | 26 tCO₂e | |
| 2023 | 80 | +6 | 8.1 kBtu/ft² | 32 tCO₂e |
| 2022 | 74 | +1 | 9.5 kBtu/ft² | 36 tCO₂e |
| 2021 | 73 | -14 | 10.6 kBtu/ft² | 35 tCO₂e |
| 2020 | 87 | +16 | 8.6 kBtu/ft² | 31 tCO₂e |
| 2019 | 71 | — | 43 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 Wattis Way, South San Francisco
- City
- California
- State
- California
- ZIP
- 94080
- Coordinates
- 37.64830, -122.40203
Within ~1 km
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- 259 E. Grand Avenuescore —
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See also: most efficient in California · biggest emitters
How does 259-277 Wattis Way compare with other other buildings in California?
The latest disclosures cover 773 other buildings in California, out of 40,029 buildings citywide. Its site EUI of 7.1 kBtu/ft² is about 88% below the average of 58.3 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 0.5 kgCO₂e/ft² is about 87% below the group average of 3.5 kgCO₂e/ft².
At 56,190 sq ft, it is about 89% below the average floor area of 511,890 sq ft for those buildings. Its 1975 construction date is close to the group's average year built (1973). Across all 24 jurisdictions BuildingCensus covers, the 1,327 other buildings average an ENERGY STAR score of 60 and a site EUI of 63.3 kBtu/ft².
How has 259-277 Wattis Way's energy performance changed over time?
BuildingCensus holds 6 California disclosures for 259-277 Wattis Way, covering report years 2019–2024. Its ENERGY STAR score went from 71 in 2019 to 80 in 2023 (+9 points); its best year on file was 2020, at 87. Site EUI moved from 8.6 kBtu/ft² (2020) to 7.1 kBtu/ft² (2024), a 17% decrease. Reported emissions went from 43 tCO₂e to 26 tCO₂e over the same span (down 39%).
What does a site EUI of 7.1 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. 259-277 Wattis Way's 7.1 kBtu/ft² across 56,190 sq ft works out to about 0.4 billion Btu (117 MWh-equivalent) in 2024. The disclosure also reports 106,451 kWh of electricity and 373 therms of natural gas for the year.
Which law requires 259-277 Wattis Way to report its energy use?
259-277 Wattis Way 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:12874348:2024). 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 other buildings in California
- 720 Point Sur Shp· 56,090 sq ft · EUI 2.9 kBtu/ft²
- 13535 Larwin Circle (Rexford Ab 802)· 56,011 sq ft · EUI 6.2 kBtu/ft²
- Hp/Airway Building· 56,007 sq ft · EUI 12.1 kBtu/ft²
- Davis Migrant Center· 56,000 sq ft · EUI 21.8 kBtu/ft²
- Emergency Operations Center· 56,000 sq ft · EUI 245.2 kBtu/ft²
- Embarcadero Station· 56,000 sq ft · EUI 48.9 kBtu/ft²
- Other buildings in California· 773 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 259-277 Wattis Way's energy grade?
259-277 Wattis Way did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 7.1 kBtu/ft².
How much energy does 259-277 Wattis Way use?
Its 2024 site energy-use intensity was 7.1 kBtu/ft² across 56,190 sq ft, including 106,451 kWh of electricity and 373 therms of natural gas.
What are 259-277 Wattis Way's carbon emissions?
259-277 Wattis Way reported 26 tCO₂e of greenhouse-gas emissions (0.5 kgCO₂e/ft²) for 2024.
Where is 259-277 Wattis Way?
259-277 Wattis Way is at 259 Wattis Way, South San Francisco, in South San Francisco, California 94080. Its coordinates are 37.64830, -122.40203 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is 259-277 Wattis Way and when was it built?
259-277 Wattis Way has 56,190 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1975 as its year built. It is classed as other.
Is 259-277 Wattis Way 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, “259-277 Wattis Way, South San Francisco, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/259-277-wattis-way-b68884d4 (data as of July 9, 2026).