Ca1791 - Rancho Cucamonga Medical Offices
Medical Office in California, CA · 10850 Arrow Route, Rancho Cucamonga · 91730
At a glance
Ca1791 - Rancho Cucamonga Medical Offices is a 51,675-square-foot medical office at 10850 Arrow Route, Rancho Cucamonga in Rancho Cucamonga, California, built in 1998. In its 2024 California benchmarking disclosure it reported an ENERGY STAR score of 28 out of 100 (grade D), a site energy-use intensity of 110.9 kBtu/ft² and 346 tCO₂e of greenhouse-gas emissions. That score is higher than 20% of the 546 scored medical office buildings in California.
AB 802 (Public Resources Code §25402.10) · reporting year 2024
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 28 (band D) |
| Site EUI | 110.9 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 346 tCO₂e |
| GHG intensity | 6.7 kgCO₂e/ft² |
| Electricity | 992,201 kWh |
| Natural gas | 22,780 therms |
| Gross floor area | 51,675 sq ft |
| Source record | california:2551344:2024 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2024latest | 28 | +6 | 110.9 kBtu/ft² | 346 tCO₂e |
| 2023 | 22 | ±0 | 111.1 kBtu/ft² | 367 tCO₂e |
| 2022 | 22 | +1 | 106.7 kBtu/ft² | 358 tCO₂e |
| 2021 | 21 | -19 | 104.6 kBtu/ft² | 322 tCO₂e |
| 2020 | 40 | +4 | 97.2 kBtu/ft² | 324 tCO₂e |
| 2018 | 36 | 96.3 kBtu/ft² | 321 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
- 10850 Arrow Route, Rancho Cucamonga
- City
- California
- State
- California
- ZIP
- 91730
- Coordinates
- 34.10003, -117.56798
Within ~1 km
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See also: most efficient in California · biggest emitters
How does Ca1791 - Rancho Cucamonga Medical Offices compare with other medical office buildings in California?
The latest disclosures cover 602 medical office buildings in California, out of 40,029 buildings citywide. Ca1791 - Rancho Cucamonga Medical Offices's ENERGY STAR score of 28 compares with an average of 63 across the 546 that report a score; it scores higher than 20% of them and lower than 79%. Its site EUI of 110.9 kBtu/ft² is about 18% above the average of 94.3 kBtu/ft² — it uses more energy per square foot than the typical building in that group. Its emissions intensity of 6.7 kgCO₂e/ft² is about 19% above the group average of 5.6 kgCO₂e/ft².
At 51,675 sq ft, it is about half of the average floor area of 100,847 sq ft for those buildings. It was built in 1998, 7 years later than the group's average year built (1991). Across all 24 jurisdictions BuildingCensus covers, the 1,266 medical office buildings average an ENERGY STAR score of 64 and a site EUI of 92.2 kBtu/ft².
How has Ca1791 - Rancho Cucamonga Medical Offices's energy performance changed over time?
BuildingCensus holds 6 California disclosures for Ca1791 - Rancho Cucamonga Medical Offices, covering report years 2018, 2020, 2021, 2022, 2023, 2024. Its ENERGY STAR score went from 36 in 2018 to 28 in 2024 (-8 points); its best year on file was 2020, at 40. Site EUI moved from 96.3 kBtu/ft² (2018) to 110.9 kBtu/ft² (2024), an 15% increase. Reported emissions went from 321 tCO₂e to 346 tCO₂e over the same span (up 8%).
What does an ENERGY STAR score of 28 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 28 means the building performs better than about 28% of its national peers. BuildingCensus bands the score into report-card grades; 28 falls in band D — lowest band (1–54). It sits 47 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. Ca1791 - Rancho Cucamonga Medical Offices's 110.9 kBtu/ft² across 51,675 sq ft works out to about 5.7 billion Btu (1,680 MWh-equivalent) in 2024. The disclosure also reports 992,201 kWh of electricity and 22,780 therms of natural gas for the year.
Which law requires Ca1791 - Rancho Cucamonga Medical Offices to report its energy use?
Ca1791 - Rancho Cucamonga Medical Offices 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:2551344:2024). 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 medical office buildings in California
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- Spt Ivey Brentwood Mob Llc· 51,599 sq ft · EUI 23.2 kBtu/ft²
- 0235 8008 Frost Street· 51,422 sq ft · score 77 (B)
- (Ca) Sharp | 8008 Frost Street· 51,422 sq ft · score 100 (A)
- Washington Mob· 51,398 sq ft · score 7 (D)
- Old Mob· 51,150 sq ft · score 63 (C)
- Medical Office buildings in California· 602 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 Ca1791 - Rancho Cucamonga Medical Offices's energy grade?
Ca1791 - Rancho Cucamonga Medical Offices scores 28 out of 100 on ENERGY STAR — band D, lowest band (1–54) — in its 2024 California disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Ca1791 - Rancho Cucamonga Medical Offices use?
Its 2024 site energy-use intensity was 110.9 kBtu/ft² across 51,675 sq ft, including 992,201 kWh of electricity and 22,780 therms of natural gas.
What are Ca1791 - Rancho Cucamonga Medical Offices's carbon emissions?
Ca1791 - Rancho Cucamonga Medical Offices reported 346 tCO₂e of greenhouse-gas emissions (6.7 kgCO₂e/ft²) for 2024.
Where is Ca1791 - Rancho Cucamonga Medical Offices?
Ca1791 - Rancho Cucamonga Medical Offices is at 10850 Arrow Route, Rancho Cucamonga, in Rancho Cucamonga, California 91730. Its coordinates are 34.10003, -117.56798 (latitude, longitude), as published in the Building Energy Benchmarking Program (statewide) file.
How big is Ca1791 - Rancho Cucamonga Medical Offices and when was it built?
Ca1791 - Rancho Cucamonga Medical Offices has 51,675 sq ft of gross floor area, as reported in its 2024 disclosure. The disclosure lists 1998 as its year built. It is classed as medical office.
Is Ca1791 - Rancho Cucamonga Medical Offices 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, “Ca1791 - Rancho Cucamonga Medical Offices, Rancho Cucamonga, California — 2024 benchmarking disclosure”, https://buildingcensus.com/buildings/california/ca1791-rancho-cucamonga-medical-offices-5f8ca4ec (data as of July 9, 2026).