BuildingCensus
–

The Mix At Sohay (Mx009)

Multifamily Housing in California, CA · 29213 Mission Boulevard, Hayward · 94544

At a glance

The Mix At Sohay (Mx009) is a 63,250-square-foot multifamily housing building at 29213 Mission Boulevard, Hayward in Hayward, California, built in 2020. In its 2023 California benchmarking disclosure it reported a site energy-use intensity of 18.7 kBtu/ft² and 71 tCO₂e of greenhouse-gas emissions.

ENERGY STAR score
—
not reported · 2023
Site EUI
18.7
kBtu/ft²
GHG emissions
71
tCO₂e
GHG intensity
1.1
kgCO₂e/ft²
Floor area
63,250
sq ft
Year built
2020
vintage
◆ Loading map…
85–10070–8455–691–54
This entry + 6 nearby

AB 802 (Public Resources Code §25402.10) · reporting year 2023

Benchmarking record

FieldValue
ENERGY STAR score—
Site EUI18.7 kBtu/ft²
Source EUI—
GHG emissions71 tCO₂e
GHG intensity1.1 kgCO₂e/ft²
Electricity123,077 kWh
Natural gas7,660 therms
Gross floor area63,250 sq ft
Source recordcalifornia:19388971:2023

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
29213 Mission Boulevard, Hayward
State
California
ZIP
94544
Coordinates
37.63259, -122.05067

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in California · biggest emitters

How does The Mix At Sohay (Mx009) 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 18.7 kBtu/ft² is about half of 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 63,250 sq ft, it is about 58% below the average floor area of 150,919 sq ft for those buildings. It was built in 2020, 32 years later 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.

What does a site EUI of 18.7 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. The Mix At Sohay (Mx009)'s 18.7 kBtu/ft² across 63,250 sq ft works out to about 1.2 billion Btu (347 MWh-equivalent) in 2023. The disclosure also reports 123,077 kWh of electricity and 7,660 therms of natural gas for the year.

Which law requires The Mix At Sohay (Mx009) to report its energy use?

The Mix At Sohay (Mx009) 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 2023 disclosure (source record california:19388971:2023). 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

Frequently asked questions

What is The Mix At Sohay (Mx009)'s energy grade?

The Mix At Sohay (Mx009) did not report an ENERGY STAR score in its 2023 disclosure, but its site energy-use intensity was 18.7 kBtu/ft².

How much energy does The Mix At Sohay (Mx009) use?

Its 2023 site energy-use intensity was 18.7 kBtu/ft² across 63,250 sq ft, including 123,077 kWh of electricity and 7,660 therms of natural gas.

What are The Mix At Sohay (Mx009)'s carbon emissions?

The Mix At Sohay (Mx009) reported 71 tCO₂e of greenhouse-gas emissions (1.1 kgCO₂e/ft²) for 2023.

Where is The Mix At Sohay (Mx009)?

The Mix At Sohay (Mx009) is at 29213 Mission Boulevard, Hayward, in Hayward, California 94544. Its coordinates are 37.63259, -122.05067 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.

How big is The Mix At Sohay (Mx009) and when was it built?

The Mix At Sohay (Mx009) has 63,250 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 2020 as its year built. It is classed as multifamily housing.

Is The Mix At Sohay (Mx009) covered by AB 802 (Public Resources Code §25402.10)?

Yes — it appears in the 2023 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, “The Mix At Sohay (Mx009), Hayward, California — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/california/the-mix-at-sohay-mx009-53fcafbd (data as of July 9, 2026).