Sm0002 - Westin Millbrae Ca (San Francisco Airport)
Hotel in California, CA · 1 Old Bayshore Highway, Millbrae · 94030
At a glance
Sm0002 - Westin Millbrae Ca (San Francisco Airport) is a 58,367-square-foot hotel at 1 Old Bayshore Highway, Millbrae in Millbrae, California, built in 2000. In its 2020 California benchmarking disclosure it reported an ENERGY STAR score of 7 out of 100 (grade D), a site energy-use intensity of 362.1 kBtu/ft² and 1,232 tCO₂e of greenhouse-gas emissions. That score is higher than 3% of the 1,525 scored hotel buildings in California.
AB 802 (Public Resources Code §25402.10) · reporting year 2020
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 7 (band D) |
| Site EUI | 362.1 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 1,232 tCO₂e |
| GHG intensity | 21.1 kgCO₂e/ft² |
| Electricity | 2,433,700 kWh |
| Natural gas | 128,296 therms |
| Gross floor area | 58,367 sq ft |
| Source record | california:10562817:2020 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2020latest | 7 | +6 | 362.1 kBtu/ft² | 1,232 tCO₂e |
| 2019 | 1 | 466.5 kBtu/ft² | 1,639 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
- 1 Old Bayshore Highway, Millbrae
- City
- California
- State
- California
- ZIP
- 94030
- Coordinates
- 37.60341, -122.37606
Within ~1 km
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How does Sm0002 - Westin Millbrae Ca (San Francisco Airport) compare with other hotel buildings in California?
The latest disclosures cover 1,599 hotel buildings in California, out of 40,029 buildings citywide. Sm0002 - Westin Millbrae Ca (San Francisco Airport)'s ENERGY STAR score of 7 compares with an average of 74 across the 1,525 that report a score; it scores higher than 3% of them and lower than 96%. Its site EUI of 362.1 kBtu/ft² is about 452% above the average of 65.6 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 21.1 kgCO₂e/ft² is about 428% above the group average of 4.0 kgCO₂e/ft².
At 58,367 sq ft, it is about 65% below the average floor area of 167,786 sq ft for those buildings. It was built in 2000, 12 years later than the group's average year built (1988). Across all 24 jurisdictions BuildingCensus covers, the 3,812 hotel buildings average an ENERGY STAR score of 65 and a site EUI of 77.8 kBtu/ft².
How has Sm0002 - Westin Millbrae Ca (San Francisco Airport)'s energy performance changed over time?
BuildingCensus holds 2 California disclosures for Sm0002 - Westin Millbrae Ca (San Francisco Airport), covering report years 2019–2020. Its ENERGY STAR score went from 1 in 2019 to 7 in 2020 (+6 points). Site EUI moved from 466.5 kBtu/ft² (2019) to 362.1 kBtu/ft² (2020), a 22% decrease. Reported emissions went from 1,639 tCO₂e to 1,232 tCO₂e over the same span (down 25%).
What does an ENERGY STAR score of 7 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 7 means the building performs better than about 7% of its national peers. BuildingCensus bands the score into report-card grades; 7 falls in band D — lowest band (1–54). It sits 68 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. Sm0002 - Westin Millbrae Ca (San Francisco Airport)'s 362.1 kBtu/ft² across 58,367 sq ft works out to about 21.1 billion Btu (6,194 MWh-equivalent) in 2020. The disclosure also reports 2,433,700 kWh of electricity and 128,296 therms of natural gas for the year.
Which law requires Sm0002 - Westin Millbrae Ca (San Francisco Airport) to report its energy use?
Sm0002 - Westin Millbrae Ca (San Francisco Airport) 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 2020 disclosure (source record california:10562817:2020). 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 hotel buildings in California
- 8806-San Francisco-Belmont· 58,212 sq ft · score 90 (A)
- Yountville Hotel Yvi· 58,199 sq ft · score 22 (D)
- 8110-Courtyard San Jose South· 58,113 sq ft · score 99 (A)
- Residence Inn Morgan Hill· 58,113 sq ft · score 93 (A)
- Hilton Garden Inn Irvine East/Lake Forest· 58,104 sq ft · score 91 (A)
- 646 Springhill Suites Ridgecrest· 58,000 sq ft · score 99 (A)
- Hotel buildings in California· 1,599 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 Sm0002 - Westin Millbrae Ca (San Francisco Airport)'s energy grade?
Sm0002 - Westin Millbrae Ca (San Francisco Airport) scores 7 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2020 California disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Sm0002 - Westin Millbrae Ca (San Francisco Airport) use?
Its 2020 site energy-use intensity was 362.1 kBtu/ft² across 58,367 sq ft, including 2,433,700 kWh of electricity and 128,296 therms of natural gas.
What are Sm0002 - Westin Millbrae Ca (San Francisco Airport)'s carbon emissions?
Sm0002 - Westin Millbrae Ca (San Francisco Airport) reported 1,232 tCO₂e of greenhouse-gas emissions (21.1 kgCO₂e/ft²) for 2020.
Where is Sm0002 - Westin Millbrae Ca (San Francisco Airport)?
Sm0002 - Westin Millbrae Ca (San Francisco Airport) is at 1 Old Bayshore Highway, Millbrae, in Millbrae, California 94030. Its coordinates are 37.60341, -122.37606 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is Sm0002 - Westin Millbrae Ca (San Francisco Airport) and when was it built?
Sm0002 - Westin Millbrae Ca (San Francisco Airport) has 58,367 sq ft of gross floor area, as reported in its 2020 disclosure. The disclosure lists 2000 as its year built. It is classed as hotel.
Is Sm0002 - Westin Millbrae Ca (San Francisco Airport) covered by AB 802 (Public Resources Code §25402.10)?
Yes — it appears in the 2020 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, “Sm0002 - Westin Millbrae Ca (San Francisco Airport), Millbrae, California — 2020 benchmarking disclosure”, https://buildingcensus.com/buildings/california/sm0002-westin-millbrae-ca-san-francisco-airport-d3cd5059 (data as of July 9, 2026).