BuildingCensus
D

1600 Harbor Bay Parkway

Office in California, CA · 1600 Harbor Bay Parkway, Alameda · 94502

At a glance

1600 Harbor Bay Parkway is a 60,710-square-foot office building at 1600 Harbor Bay Parkway, Alameda in Alameda, California, built in 2001. In its 2024 California benchmarking disclosure it reported an ENERGY STAR score of 1 out of 100 (grade D), a site energy-use intensity of 220.3 kBtu/ft² and 778 tCO₂e of greenhouse-gas emissions. That score is higher than 0% of the 4,912 scored office buildings in California.

ENERGY STAR score
1
band D · 2024
Site EUI
220.3
kBtu/ft²
GHG emissions
778
tCO₂e
GHG intensity
12.8
kgCO₂e/ft²
Floor area
60,710
sq ft
Year built
2001
vintage
◆ Loading map…
85–10070–8455–691–54
This entry + 6 nearby

AB 802 (Public Resources Code §25402.10) · reporting year 2024

Benchmarking record

FieldValue
ENERGY STAR score1 (band D)
Site EUI220.3 kBtu/ft²
Source EUI—
GHG emissions778 tCO₂e
GHG intensity12.8 kgCO₂e/ft²
Electricity1,365,185 kWh
Natural gas88,352 therms
Gross floor area60,710 sq ft
Source recordcalifornia:16406304:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest1±0220.3 kBtu/ft²778 tCO₂e
20231-3222.7 kBtu/ft²787 tCO₂e
20224159.2 kBtu/ft²569 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.

Program details →

Ownership

No owning organisation shown. Names of private individuals in the disclosure are not published here.

Own or manage this building? Claim it to correct the record and get compliance alerts.

Location

Address
1600 Harbor Bay Parkway, Alameda
State
California
ZIP
94502
Coordinates
37.72479, -122.24084

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in California · biggest emitters

How does 1600 Harbor Bay Parkway compare with other office buildings in California?

The latest disclosures cover 6,214 office buildings in California, out of 40,029 buildings citywide. 1600 Harbor Bay Parkway's ENERGY STAR score of 1 compares with an average of 75 across the 4,912 that report a score; it scores higher than 0% of them and lower than 97%. Its site EUI of 220.3 kBtu/ft² is about 291% 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 12.8 kgCO₂e/ft² is about 256% above the group average of 3.6 kgCO₂e/ft².

At 60,710 sq ft, it is about 60% below the average floor area of 151,937 sq ft for those buildings. It was built in 2001, 16 years later 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 1600 Harbor Bay Parkway's energy performance changed over time?

BuildingCensus holds 3 California disclosures for 1600 Harbor Bay Parkway, covering report years 2022–2024. Its ENERGY STAR score went from 4 in 2022 to 1 in 2024 (-3 points); its best year on file was 2022, at 4. Site EUI moved from 159.2 kBtu/ft² (2022) to 220.3 kBtu/ft² (2024), an 38% increase. Reported emissions went from 569 tCO₂e to 778 tCO₂e over the same span (up 37%).

What does an ENERGY STAR score of 1 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: 1 is the bottom of the scale. BuildingCensus bands the score into report-card grades; 1 falls in band D — lowest band (1–54). It sits 74 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. 1600 Harbor Bay Parkway's 220.3 kBtu/ft² across 60,710 sq ft works out to about 13.4 billion Btu (3,920 MWh-equivalent) in 2024. The disclosure also reports 1,365,185 kWh of electricity and 88,352 therms of natural gas for the year.

Which law requires 1600 Harbor Bay Parkway to report its energy use?

1600 Harbor Bay Parkway 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:16406304:2024). 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

Frequently asked questions

What is 1600 Harbor Bay Parkway's energy grade?

1600 Harbor Bay Parkway scores 1 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 1600 Harbor Bay Parkway use?

Its 2024 site energy-use intensity was 220.3 kBtu/ft² across 60,710 sq ft, including 1,365,185 kWh of electricity and 88,352 therms of natural gas.

What are 1600 Harbor Bay Parkway's carbon emissions?

1600 Harbor Bay Parkway reported 778 tCO₂e of greenhouse-gas emissions (12.8 kgCO₂e/ft²) for 2024.

Where is 1600 Harbor Bay Parkway?

1600 Harbor Bay Parkway is at 1600 Harbor Bay Parkway, Alameda, in Alameda, California 94502. Its coordinates are 37.72479, -122.24084 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.

How big is 1600 Harbor Bay Parkway and when was it built?

1600 Harbor Bay Parkway has 60,710 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 2001 as its year built. It is classed as office.

Is 1600 Harbor Bay Parkway 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).

Working with California building benchmarking records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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, “1600 Harbor Bay Parkway, Alameda, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/1600-harbor-bay-parkway-aeb19c04 (data as of July 9, 2026).