BuildingCensus
B

Haven Martinez (Hv027)

Multifamily Housing in California, CA · 486 Morello Avenue, Martinez · 94553

At a glance

Haven Martinez (Hv027) is a 80,876-square-foot multifamily housing building at 486 Morello Avenue, Martinez in Martinez, California, built in 1987. In its 2024 California benchmarking disclosure it reported an ENERGY STAR score of 74 out of 100 (grade B), a site energy-use intensity of 64.7 kBtu/ft² and 268 tCO₂e of greenhouse-gas emissions. That score is higher than 26% of the 9,612 scored multifamily housing buildings in California.

ENERGY STAR score
74
band B · 2024
Site EUI
64.7
kBtu/ft²
GHG emissions
268
tCO₂e
GHG intensity
3.3
kgCO₂e/ft²
Floor area
80,876
sq ft
Year built
1987
vintage
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85–10070–8455–691–54
This entry + 3 nearby

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

Benchmarking record

FieldValue
ENERGY STAR score74 (band B)
Site EUI64.7 kBtu/ft²
Source EUI—
GHG emissions268 tCO₂e
GHG intensity3.3 kgCO₂e/ft²
Electricity425,774 kWh
Natural gas32,286 therms
Gross floor area80,876 sq ft
Source recordcalifornia:11630581:2024

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2024latest74+864.7 kBtu/ft²268 tCO₂e
202366-768.0 kBtu/ft²300 tCO₂e
202273-261.1 kBtu/ft²283 tCO₂e
202175-560.7 kBtu/ft²254 tCO₂e
202080+156.6 kBtu/ft²254 tCO₂e
20197958.6 kBtu/ft²265 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.

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Ownership

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

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Location

Address
486 Morello Avenue, Martinez
State
California
ZIP
94553
Coordinates
37.99448, -122.09764

Within ~1 km

Nearby benchmarked buildings

See also: most efficient in California · biggest emitters

How does Haven Martinez (Hv027) 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. Haven Martinez (Hv027)'s ENERGY STAR score of 74 compares with an average of 82 across the 9,612 that report a score; it scores higher than 26% of them and lower than 73%. Its site EUI of 64.7 kBtu/ft² is about 88% above the average of 34.4 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 3.3 kgCO₂e/ft² is about 58% above the group average of 2.1 kgCO₂e/ft².

At 80,876 sq ft, it is about half of the average floor area of 150,919 sq ft for those buildings. Its 1987 construction date is close to 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 Haven Martinez (Hv027)'s energy performance changed over time?

BuildingCensus holds 6 California disclosures for Haven Martinez (Hv027), covering report years 2019–2024. Its ENERGY STAR score went from 79 in 2019 to 74 in 2024 (-5 points); its best year on file was 2020, at 80. Site EUI moved from 58.6 kBtu/ft² (2019) to 64.7 kBtu/ft² (2024), an 10% increase. Reported emissions went from 265 tCO₂e to 268 tCO₂e over the same span (up 1%).

What does an ENERGY STAR score of 74 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 74 means the building performs better than about 74% of its national peers. BuildingCensus bands the score into report-card grades; 74 falls in band B — above median (70–84). It sits 1 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. Haven Martinez (Hv027)'s 64.7 kBtu/ft² across 80,876 sq ft works out to about 5.2 billion Btu (1,534 MWh-equivalent) in 2024. The disclosure also reports 425,774 kWh of electricity and 32,286 therms of natural gas for the year.

Which law requires Haven Martinez (Hv027) to report its energy use?

Haven Martinez (Hv027) 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:11630581:2024). 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

Frequently asked questions

What is Haven Martinez (Hv027)'s energy grade?

Haven Martinez (Hv027) scores 74 out of 100 on ENERGY STAR — band B, above median (70–84) — in its 2024 California disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.

How much energy does Haven Martinez (Hv027) use?

Its 2024 site energy-use intensity was 64.7 kBtu/ft² across 80,876 sq ft, including 425,774 kWh of electricity and 32,286 therms of natural gas.

What are Haven Martinez (Hv027)'s carbon emissions?

Haven Martinez (Hv027) reported 268 tCO₂e of greenhouse-gas emissions (3.3 kgCO₂e/ft²) for 2024.

Where is Haven Martinez (Hv027)?

Haven Martinez (Hv027) is at 486 Morello Avenue, Martinez, in Martinez, California 94553. Its coordinates are 37.99448, -122.09764 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.

How big is Haven Martinez (Hv027) and when was it built?

Haven Martinez (Hv027) has 80,876 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1987 as its year built. It is classed as multifamily housing.

Is Haven Martinez (Hv027) 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, “Haven Martinez (Hv027), Martinez, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/haven-martinez-hv027-019336b8 (data as of July 9, 2026).