Sunstone Place Apartment Homes (Sc62)
Multifamily Housing in California, CA · 3845 Polk Street, Riverside · 92505
At a glance
Sunstone Place Apartment Homes (Sc62) is a 145,640-square-foot multifamily housing building at 3845 Polk Street, Riverside in Riverside, California, built in 1986. In its 2024 California benchmarking disclosure it reported a site energy-use intensity of 27.3 kBtu/ft² and 220 tCO₂e of greenhouse-gas emissions.
AB 802 (Public Resources Code §25402.10) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 27.3 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 220 tCO₂e |
| GHG intensity | 1.5 kgCO₂e/ft² |
| Electricity | 128,491 kWh |
| Natural gas | 35,904 therms |
| Gross floor area | 145,640 sq ft |
| Source record | california:2369218:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | — | 27.3 kBtu/ft² | 220 tCO₂e | |
| 2023 | 77 | +14 | 46.7 kBtu/ft² | 419 tCO₂e |
| 2022 | 63 | +6 | 48.9 kBtu/ft² | 469 tCO₂e |
| 2021 | 57 | -5 | 51.9 kBtu/ft² | 438 tCO₂e |
| 2020 | 62 | -8 | 51.5 kBtu/ft² | 472 tCO₂e |
| 2019 | 70 | 48.8 kBtu/ft² | 440 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
- 3845 Polk Street, Riverside
- City
- California
- State
- California
- ZIP
- 92505
- Coordinates
- 33.91039, -117.46855
Within ~1 km
Nearby benchmarked buildings
- Riverside Hospital Campusscore 87
Hospital (General Medical & Surgical) · 735,956 sq ft
- Metro 3610 (Wr38)score 73
Multifamily Housing · 258,216 sq ft
- Magnolia Tyler Centerscore —
Strip Mall · 182,653 sq ft
- (71536A) Riverside Macy'S Ownedscore 98
Retail Store · 156,268 sq ft
- Riverglen Apartments - Mpmsscore 100
Multifamily Housing · 130,750 sq ft
Multifamily Housing · 125,854 sq ft
See also: most efficient in California · biggest emitters
How does Sunstone Place Apartment Homes (Sc62) 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 27.3 kBtu/ft² is about 21% 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 1.5 kgCO₂e/ft² is about 28% below the group average of 2.1 kgCO₂e/ft².
At 145,640 sq ft, it is roughly in line with the average floor area of 150,919 sq ft for those buildings. Its 1986 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 Sunstone Place Apartment Homes (Sc62)'s energy performance changed over time?
BuildingCensus holds 6 California disclosures for Sunstone Place Apartment Homes (Sc62), covering report years 2019–2024. Its ENERGY STAR score went from 70 in 2019 to 77 in 2023 (+7 points). Site EUI moved from 48.8 kBtu/ft² (2019) to 27.3 kBtu/ft² (2024), a 44% decrease. Reported emissions went from 440 tCO₂e to 220 tCO₂e over the same span (down 50%).
What does a site EUI of 27.3 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. Sunstone Place Apartment Homes (Sc62)'s 27.3 kBtu/ft² across 145,640 sq ft works out to about 4 billion Btu (1,165 MWh-equivalent) in 2024. The disclosure also reports 128,491 kWh of electricity and 35,904 therms of natural gas for the year.
Which law requires Sunstone Place Apartment Homes (Sc62) to report its energy use?
Sunstone Place Apartment Homes (Sc62) 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:2369218:2024). 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
- Summerset Village Apartments· 145,600 sq ft · score 100 (A)
- The Hudson Apartments, A Greystar Elan Community· 145,562 sq ft · score 99 (A)
- Monaco 55+ Apartments· 145,530 sq ft · score 60 (C)
- 6530 Independence· 145,442 sq ft · score 93 (A)
- Baywoods Apt: Baywood Apt· 145,364 sq ft · score 60 (C)
- Park Vue (Pr595)· 145,362 sq ft · score 81 (B)
- 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 Sunstone Place Apartment Homes (Sc62)'s energy grade?
Sunstone Place Apartment Homes (Sc62) did not report an ENERGY STAR score in its 2024 disclosure, but its site energy-use intensity was 27.3 kBtu/ft².
How much energy does Sunstone Place Apartment Homes (Sc62) use?
Its 2024 site energy-use intensity was 27.3 kBtu/ft² across 145,640 sq ft, including 128,491 kWh of electricity and 35,904 therms of natural gas.
What are Sunstone Place Apartment Homes (Sc62)'s carbon emissions?
Sunstone Place Apartment Homes (Sc62) reported 220 tCO₂e of greenhouse-gas emissions (1.5 kgCO₂e/ft²) for 2024.
Where is Sunstone Place Apartment Homes (Sc62)?
Sunstone Place Apartment Homes (Sc62) is at 3845 Polk Street, Riverside, in Riverside, California 92505. Its coordinates are 33.91039, -117.46855 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is Sunstone Place Apartment Homes (Sc62) and when was it built?
Sunstone Place Apartment Homes (Sc62) has 145,640 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1986 as its year built. It is classed as multifamily housing.
Is Sunstone Place Apartment Homes (Sc62) 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, “Sunstone Place Apartment Homes (Sc62), Riverside, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/sunstone-place-apartment-homes-sc62-0718f3df (data as of July 9, 2026).