Nelda Mundy Elementary
K-12 School in California, CA · 570 Vintage Valley Dr., Fairfield · 94534
At a glance
Nelda Mundy Elementary is a 54,261-square-foot K-12 school at 570 Vintage Valley Dr., Fairfield in Fairfield, California, built in 1998. In its 2024 California benchmarking disclosure it reported an ENERGY STAR score of 94 out of 100 (grade A), a site energy-use intensity of 16.0 kBtu/ft² and 58 tCO₂e of greenhouse-gas emissions. That score is higher than 75% of the 2,016 scored K-12 school buildings in California.
AB 802 (Public Resources Code §25402.10) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 94 (band A) |
| Site EUI | 16.0 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 58 tCO₂e |
| GHG intensity | 1.1 kgCO₂e/ft² |
| Electricity | 253,916 kWh |
| Gross floor area | 54,261 sq ft |
| Source record | california:34287227:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 94 | -1 | 16.0 kBtu/ft² | 58 tCO₂e |
| 2023 | 95 | 14.4 kBtu/ft² | 55 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
- 570 Vintage Valley Dr., Fairfield
- City
- California
- State
- California
- ZIP
- 94534
- Coordinates
- 38.21816, -122.14582
Within ~1 km
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See also: most efficient in California · biggest emitters
How does Nelda Mundy Elementary compare with other K-12 school buildings in California?
The latest disclosures cover 2,128 K-12 school buildings in California, out of 40,029 buildings citywide. Nelda Mundy Elementary's ENERGY STAR score of 94 compares with an average of 74 across the 2,016 that report a score; it scores higher than 75% of them and lower than 22%. Its site EUI of 16.0 kBtu/ft² is about half of the average of 34.6 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 2.0 kgCO₂e/ft².
At 54,261 sq ft, it is about 58% below the average floor area of 129,123 sq ft for those buildings. It was built in 1998, 22 years later than the group's average year built (1976). Across all 24 jurisdictions BuildingCensus covers, the 6,548 K-12 school buildings average an ENERGY STAR score of 64 and a site EUI of 52.7 kBtu/ft².
How has Nelda Mundy Elementary's energy performance changed over time?
BuildingCensus holds 2 California disclosures for Nelda Mundy Elementary, covering report years 2023–2024. Its ENERGY STAR score went from 95 in 2023 to 94 in 2024 (-1 points); its best year on file was 2023, at 95. Site EUI moved from 14.4 kBtu/ft² (2023) to 16.0 kBtu/ft² (2024), an 11% increase. Reported emissions went from 55 tCO₂e to 58 tCO₂e over the same span (up 4%).
What does an ENERGY STAR score of 94 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 94 means the building performs better than about 94% of its national peers. BuildingCensus bands the score into report-card grades; 94 falls in band A — high performer (85–100). 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. Nelda Mundy Elementary's 16.0 kBtu/ft² across 54,261 sq ft works out to about 0.9 billion Btu (254 MWh-equivalent) in 2024. The disclosure also reports 253,916 kWh of electricity for the year.
Which law requires Nelda Mundy Elementary to report its energy use?
Nelda Mundy Elementary 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:34287227:2024). 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 K-12 school buildings in California
- Kennedy Elementary· 54,223 sq ft · score 50 (D)
- Lois Borchardt Elementary· 54,169 sq ft · score 70 (B)
- Silva Elementary· 54,169 sq ft · score 78 (B)
- Larson Elementary· 54,169 sq ft · score 73 (B)
- American Lakes School· 54,166 sq ft · score 46 (D)
- King Elementary· 54,163 sq ft · score 24 (D)
- K-12 School buildings in California· 2,128 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 Nelda Mundy Elementary's energy grade?
Nelda Mundy Elementary scores 94 out of 100 on ENERGY STAR — band A, high performer (85–100) — in its 2024 California disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Nelda Mundy Elementary use?
Its 2024 site energy-use intensity was 16.0 kBtu/ft² across 54,261 sq ft, including 253,916 kWh of electricity.
What are Nelda Mundy Elementary's carbon emissions?
Nelda Mundy Elementary reported 58 tCO₂e of greenhouse-gas emissions (1.1 kgCO₂e/ft²) for 2024.
Where is Nelda Mundy Elementary?
Nelda Mundy Elementary is at 570 Vintage Valley Dr., Fairfield, in Fairfield, California 94534. Its coordinates are 38.21816, -122.14582 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is Nelda Mundy Elementary and when was it built?
Nelda Mundy Elementary has 54,261 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1998 as its year built. It is classed as K-12 school.
Is Nelda Mundy Elementary 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, “Nelda Mundy Elementary, Fairfield, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/nelda-mundy-elementary-841325b9 (data as of July 9, 2026).