Portage Bay Apartments
Multifamily Housing in California, CA · 2949 Portage Bay West, Davis · 95616
At a glance
Portage Bay Apartments is a 103,531-square-foot multifamily housing building at 2949 Portage Bay West, Davis in Davis, California, built in 1973. In its 2024 California benchmarking disclosure it reported a site energy-use intensity of 22.1 kBtu/ft² and 119 tCO₂e of greenhouse-gas emissions.
AB 802 (Public Resources Code §25402.10) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 22.1 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 119 tCO₂e |
| GHG intensity | 1.1 kgCO₂e/ft² |
| Electricity | 95,411 kWh |
| Natural gas | 18,387 therms |
| Gross floor area | 103,531 sq ft |
| Source record | california:56762892:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 22.1 kBtu/ft² | 119 tCO₂e | |
| 2023 | — | 21.0 kBtu/ft² | 117 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
- 2949 Portage Bay West, Davis
- City
- California
- State
- California
- ZIP
- 95616
- Coordinates
- 38.54901, -121.78768
Within ~1 km
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See also: most efficient in California · biggest emitters
How does Portage Bay Apartments compare with other multifamily housing buildings in California?
The latest disclosures cover 10,630 multifamily housing buildings in California, out of 40,029 buildings citywide. Its site EUI of 22.1 kBtu/ft² is about 36% below the average of 34.4 kBtu/ft² — it uses less energy per square foot than the typical building in that group. Its emissions intensity of 1.1 kgCO₂e/ft² is about half of the group average of 2.1 kgCO₂e/ft².
At 103,531 sq ft, it is about 31% below the average floor area of 150,919 sq ft for those buildings. It was built in 1973, 15 years earlier than the group's average year built (1988). Across all 24 jurisdictions BuildingCensus covers, the 59,945 multifamily housing buildings average an ENERGY STAR score of 70 and a site EUI of 59.0 kBtu/ft².
How has Portage Bay Apartments's energy performance changed over time?
BuildingCensus holds 2 California disclosures for Portage Bay Apartments, covering report years 2023–2024. Site EUI moved from 21.0 kBtu/ft² (2023) to 22.1 kBtu/ft² (2024), an 5% increase. Reported emissions went from 117 tCO₂e to 119 tCO₂e over the same span (up 2%).
What does a site EUI of 22.1 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. Portage Bay Apartments's 22.1 kBtu/ft² across 103,531 sq ft works out to about 2.3 billion Btu (671 MWh-equivalent) in 2024. The disclosure also reports 95,411 kWh of electricity and 18,387 therms of natural gas for the year.
Which law requires Portage Bay Apartments to report its energy use?
Portage Bay Apartments 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:56762892:2024). 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 multifamily housing buildings in California
- Sofi Redwood Park (Sq18)· 103,501 sq ft · score 1 (D)
- Pine Lake Apts· 103,463 sq ft · score 61 (C)
- Cero (Serenade) Townhomes - 1865 North Clyde St· 103,449 sq ft · score 100 (A)
- 10061 Sierra Hills· 103,441 sq ft · score 82 (B)
- Sierra Hills· 103,441 sq ft · score 93 (A)
- 678 Bellflower· 103,436 sq ft · score 93 (A)
- Multifamily Housing buildings in California· 10,630 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 Portage Bay Apartments's energy grade?
Portage Bay Apartments did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 22.1 kBtu/ft².
How much energy does Portage Bay Apartments use?
Its 2024 site energy-use intensity was 22.1 kBtu/ft² across 103,531 sq ft, including 95,411 kWh of electricity and 18,387 therms of natural gas.
What are Portage Bay Apartments's carbon emissions?
Portage Bay Apartments reported 119 tCO₂e of greenhouse-gas emissions (1.1 kgCO₂e/ft²) for 2024.
Where is Portage Bay Apartments?
Portage Bay Apartments is at 2949 Portage Bay West, Davis, in Davis, California 95616. Its coordinates are 38.54901, -121.78768 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is Portage Bay Apartments and when was it built?
Portage Bay Apartments has 103,531 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1973 as its year built. It is classed as multifamily housing.
Is Portage Bay Apartments 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, “Portage Bay Apartments, Davis, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/portage-bay-apartments-fba09e37 (data as of July 9, 2026).