Stonegate
Multifamily Housing in California, CA · 1451 W Center Street, Manteca · 95337
At a glance
Stonegate is a 286,946-square-foot multifamily housing building at 1451 W Center Street, Manteca in Manteca, California, built in 1992. In its 2020 California benchmarking disclosure it reported an ENERGY STAR score of 77 out of 100 (grade B), a site energy-use intensity of 46.6 kBtu/ft² and 789 tCO₂e of greenhouse-gas emissions. That score is higher than 29% of the 9,612 scored multifamily housing buildings in California.
AB 802 (Public Resources Code §25402.10) · reporting year 2020
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 77 (band B) |
| Site EUI | 46.6 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 789 tCO₂e |
| GHG intensity | 2.7 kgCO₂e/ft² |
| Electricity | 1,982,889 kWh |
| Natural gas | 64,001 therms |
| Gross floor area | 286,946 sq ft |
| Source record | california:6876188:2020 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2020latest | 77 | -6 | 46.6 kBtu/ft² | 789 tCO₂e |
| 2019 | 83 | 42.2 kBtu/ft² | 741 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
- 1451 W Center Street, Manteca
- City
- California
- State
- California
- ZIP
- 95337
- Coordinates
- 37.80038, -121.24036
Within ~1 km
Nearby benchmarked buildings
- Stonegate (St948)score 94
Multifamily Housing · 285,536 sq ft
- Manteca Medical Centerscore 67
Hospital (General Medical & Surgical) · 177,393 sq ft
- Cogir Of Mantecascore 97
Senior Living Community · 110,529 sq ft
- Park Place Manteca (Pr594)score 83
Multifamily Housing · 99,680 sq ft
- Fairway Estatesscore 83
Multifamily Housing · 96,768 sq ft
- Westwood Village (Ws314)score 88
Multifamily Housing · 89,388 sq ft
See also: most efficient in California · biggest emitters
How does Stonegate 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. Stonegate's ENERGY STAR score of 77 compares with an average of 82 across the 9,612 that report a score; it scores higher than 29% of them and lower than 70%. Its site EUI of 46.6 kBtu/ft² is about 35% 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 2.7 kgCO₂e/ft² is about 29% above the group average of 2.1 kgCO₂e/ft².
At 286,946 sq ft, it is about twice the average floor area of 150,919 sq ft for those buildings. It was built in 1992, 4 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.
How has Stonegate's energy performance changed over time?
BuildingCensus holds 2 California disclosures for Stonegate, covering report years 2019–2020. Its ENERGY STAR score went from 83 in 2019 to 77 in 2020 (-6 points); its best year on file was 2019, at 83. Site EUI moved from 42.2 kBtu/ft² (2019) to 46.6 kBtu/ft² (2020), an 10% increase. Reported emissions went from 741 tCO₂e to 789 tCO₂e over the same span (up 6%).
What does an ENERGY STAR score of 77 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 77 means the building performs better than about 77% of its national peers. BuildingCensus bands the score into report-card grades; 77 falls in band B — above median (70–84). Scores of 75 or higher meet the threshold for ENERGY STAR certification; certification itself is a separate, verified application that the disclosure does not record. 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. Stonegate's 46.6 kBtu/ft² across 286,946 sq ft works out to about 13.4 billion Btu (3,919 MWh-equivalent) in 2020. The disclosure also reports 1,982,889 kWh of electricity and 64,001 therms of natural gas for the year.
Which law requires Stonegate to report its energy use?
Stonegate 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 2020 disclosure (source record california:6876188:2020). 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
- Walnut Creek Manor (Wa200)· 286,901 sq ft · score 41 (D)
- Sea Breeze Gardens (Sb037)· 286,884 sq ft · EUI 28.3 kBtu/ft²
- 3845 Nobel Dr· 286,800 sq ft · score 100 (A)
- Summerset Village - 29136· 286,752 sq ft · score 67 (C)
- Casa Bella (Ph. 1A, Ph. 1B, Ph. Ii) (Cb55, Cb56, Cb57)· 286,746 sq ft
- La Moraga Apartments· 286,737 sq ft · score 80 (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 Stonegate's energy grade?
Stonegate scores 77 out of 100 on ENERGY STAR — band B, above median (70–84) — in its 2020 California disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Stonegate use?
Its 2020 site energy-use intensity was 46.6 kBtu/ft² across 286,946 sq ft, including 1,982,889 kWh of electricity and 64,001 therms of natural gas.
What are Stonegate's carbon emissions?
Stonegate reported 789 tCO₂e of greenhouse-gas emissions (2.7 kgCO₂e/ft²) for 2020.
Where is Stonegate?
Stonegate is at 1451 W Center Street, Manteca, in Manteca, California 95337. Its coordinates are 37.80038, -121.24036 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is Stonegate and when was it built?
Stonegate has 286,946 sq ft of gross floor area, as reported in its 2020 disclosure. The disclosure lists 1992 as its year built. It is classed as multifamily housing.
Is Stonegate covered by AB 802 (Public Resources Code §25402.10)?
Yes — it appears in the 2020 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, “Stonegate, Manteca, California — 2020 benchmarking disclosure”, https://buildingcensus.com/buildings/california/stonegate-95a6b133 (data as of July 9, 2026).