1450 Fashion Island Blvd
Office in California, CA · 1450 Fashion Island Boulevard, San Mateo · 94404
At a glance
1450 Fashion Island Blvd is a 107,804-square-foot office building at 1450 Fashion Island Boulevard, San Mateo in San Mateo, California, built in 1980. In its 2024 California benchmarking disclosure it reported an ENERGY STAR score of 7 out of 100 (grade D), a site energy-use intensity of 140.9 kBtu/ft² and 964 tCO₂e of greenhouse-gas emissions. That score is higher than 4% 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 | 7 (band D) |
| Site EUI | 140.9 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 964 tCO₂e |
| GHG intensity | 8.9 kgCO₂e/ft² |
| Electricity | 3,784,050 kWh |
| Natural gas | 20,130 therms |
| Gross floor area | 107,804 sq ft |
| Source record | california:16951970:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 7 | ±0 | 140.9 kBtu/ft² | 964 tCO₂e |
| 2023 | 7 | +1 | 145.0 kBtu/ft² | 1,064 tCO₂e |
| 2022 | 6 | ±0 | 149.7 kBtu/ft² | 1,063 tCO₂e |
| 2021 | 6 | 147.6 kBtu/ft² | 945 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
- 1450 Fashion Island Boulevard, San Mateo
- City
- California
- State
- California
- ZIP
- 94404
- Coordinates
- 37.55675, -122.28745
Within ~1 km
Nearby benchmarked buildings
- Bridgepointe (Bg19)score 85
Multifamily Housing · 391,959 sq ft
- Chesapeake Pointscore 100
Multifamily Housing · 377,584 sq ft
- 777 Mariners Island Boulevardscore 88
Office · 187,299 sq ft
- 1400 Fashion Islandscore —
Office · 178,286 sq ft
- 2207 Bridgepointe Pkwyscore 94
Office · 167,505 sq ft
- The Atriumscore 94
Office · 164,346 sq ft
See also: most efficient in California · biggest emitters
How does 1450 Fashion Island Blvd compare with other office buildings in California?
The latest disclosures cover 6,214 office buildings in California, out of 40,029 buildings citywide. 1450 Fashion Island Blvd's ENERGY STAR score of 7 compares with an average of 75 across the 4,912 that report a score; it scores higher than 4% of them and lower than 96%. Its site EUI of 140.9 kBtu/ft² is about 150% above the average of 56.4 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 8.9 kgCO₂e/ft² is about 148% above the group average of 3.6 kgCO₂e/ft².
At 107,804 sq ft, it is about 29% below the average floor area of 151,937 sq ft for those buildings. It was built in 1980, 5 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 1450 Fashion Island Blvd's energy performance changed over time?
BuildingCensus holds 4 California disclosures for 1450 Fashion Island Blvd, covering report years 2021–2024. Its ENERGY STAR score went from 6 in 2021 to 7 in 2024 (+1 points); its best year on file was 2023, at 7. Site EUI moved from 147.6 kBtu/ft² (2021) to 140.9 kBtu/ft² (2024), a 5% decrease. Reported emissions went from 945 tCO₂e to 964 tCO₂e over the same span (up 2%).
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. 1450 Fashion Island Blvd's 140.9 kBtu/ft² across 107,804 sq ft works out to about 15.2 billion Btu (4,452 MWh-equivalent) in 2024. The disclosure also reports 3,784,050 kWh of electricity and 20,130 therms of natural gas for the year.
Which law requires 1450 Fashion Island Blvd to report its energy use?
1450 Fashion Island Blvd 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:16951970:2024). 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 office buildings in California
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- Office buildings in California· 6,214 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 1450 Fashion Island Blvd's energy grade?
1450 Fashion Island Blvd scores 7 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2024 California disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does 1450 Fashion Island Blvd use?
Its 2024 site energy-use intensity was 140.9 kBtu/ft² across 107,804 sq ft, including 3,784,050 kWh of electricity and 20,130 therms of natural gas.
What are 1450 Fashion Island Blvd's carbon emissions?
1450 Fashion Island Blvd reported 964 tCO₂e of greenhouse-gas emissions (8.9 kgCO₂e/ft²) for 2024.
Where is 1450 Fashion Island Blvd?
1450 Fashion Island Blvd is at 1450 Fashion Island Boulevard, San Mateo, in San Mateo, California 94404. Its coordinates are 37.55675, -122.28745 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is 1450 Fashion Island Blvd and when was it built?
1450 Fashion Island Blvd has 107,804 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1980 as its year built. It is classed as office.
Is 1450 Fashion Island Blvd 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, “1450 Fashion Island Blvd, San Mateo, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/1450-fashion-island-blvd-334bdeec (data as of July 9, 2026).