At a glance
Belleview Corporate Plaza Ii - 4900 S. Monaco St - Oef is a 81,508-square-foot office building at 4900 S. Monaco Street in Denver, Colorado, built in 2001. In its 2023 Denver benchmarking disclosure it reported an ENERGY STAR score of 69 out of 100 (grade C), a site energy-use intensity of 83.2 kBtu/ft² and 1,046 tCO₂e of greenhouse-gas emissions. That score is higher than 34% of the 339 scored office buildings in Denver.
Energize Denver Building Performance Policy · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 69 (band C) |
| Site EUI | 83.2 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 1,046 tCO₂e |
| GHG intensity | — |
| Electricity | 1,971,355 kWh |
| Natural gas | 566 therms |
| Gross floor area | 81,508 sq ft |
| Source record | denver:4854:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | 69 | +4 | 83.2 kBtu/ft² | 1,046 tCO₂e |
| 2022 | 65 | +20 | 86.4 kBtu/ft² | 1,066 tCO₂e |
| 2021 | 45 | 81.7 kBtu/ft² | 1,103 tCO₂e |
Compliance context
Energize Denver Building Performance Policy
Energize Denver sets energy-use (EUI) targets for buildings of 25,000+ sq ft — for most buildings an interim target in 2028 and a final target in 2032 — with civil penalties of roughly $0.15–0.35 per kBtu over target for non-compliance.
Ownership
No owning organisation shown. Names of private individuals in the disclosure are not published here.
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Location
- Address
- 4900 S. Monaco Street
- City
- Denver
- State
- Colorado
- ZIP
- 80237
Within ~1 km
Nearby benchmarked buildings
This source publishes no coordinates, so nearby buildings can't be resolved yet.
See also: most efficient in Denver · biggest emitters
How does Belleview Corporate Plaza Ii - 4900 S. Monaco St - Oef compare with other office buildings in Denver?
The latest disclosures cover 427 office buildings in Denver, out of 3,287 buildings citywide. Belleview Corporate Plaza Ii - 4900 S. Monaco St - Oef's ENERGY STAR score of 69 compares with an average of 71 across the 339 that report a score; it scores higher than 34% of them and lower than 65%. Its site EUI of 83.2 kBtu/ft² is about 24% above the average of 67.1 kBtu/ft² — it uses more energy per square foot than the typical building in that group.
At 81,508 sq ft, it is about half of the average floor area of 157,927 sq ft for those buildings. It was built in 2001, 21 years later than the group's average year built (1980). Across all 24 jurisdictions BuildingCensus covers, the 15,264 office buildings average an ENERGY STAR score of 73 and a site EUI of 59.3 kBtu/ft².
How has Belleview Corporate Plaza Ii - 4900 S. Monaco St - Oef's energy performance changed over time?
BuildingCensus holds 3 Denver disclosures for Belleview Corporate Plaza Ii - 4900 S. Monaco St - Oef, covering report years 2021–2023. Its ENERGY STAR score went from 45 in 2021 to 69 in 2023 (+24 points). Site EUI moved from 81.7 kBtu/ft² (2021) to 83.2 kBtu/ft² (2023), an 2% increase. Reported emissions went from 1,103 tCO₂e to 1,046 tCO₂e over the same span (down 5%).
What does an ENERGY STAR score of 69 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 69 means the building performs better than about 69% of its national peers. BuildingCensus bands the score into report-card grades; 69 falls in band C — below median (55–69). It sits 6 points below 75, the threshold for ENERGY STAR certification. In Denver, 54% 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. Belleview Corporate Plaza Ii - 4900 S. Monaco St - Oef's 83.2 kBtu/ft² across 81,508 sq ft works out to about 6.8 billion Btu (1,987 MWh-equivalent) in 2023. The disclosure also reports 1,971,355 kWh of electricity and 566 therms of natural gas for the year.
Which law requires Belleview Corporate Plaza Ii - 4900 S. Monaco St - Oef to report its energy use?
Belleview Corporate Plaza Ii - 4900 S. Monaco St - Oef reports under the Energize Denver Building Performance Policy, the legal basis of Denver's Energize Denver Benchmarking program, which publishes each covered building's annual benchmarking results. The record shown here is the report-year 2023 disclosure (source record denver:4854:2023). Energize Denver sets energy-use (EUI) targets for buildings of 25,000+ sq ft — for most buildings an interim target in 2028 and a final target in 2032 — with civil penalties of roughly $0.15–0.35 per kBtu over target for non-compliance.
More office buildings in Denver
- Iheart Radio· 81,288 sq ft · score 33 (D)
- Financial House· 79,221 sq ft · score 62 (C)
- Permit Building· 79,208 sq ft · score 76 (B)
- Logan Tower· 78,901 sq ft · EUI 56.4 kBtu/ft²
- The Colorado Building· 78,827 sq ft · score 78 (B)
- Kusatv· 78,266 sq ft · score 46 (D)
- Office buildings in Denver· 427 benchmarked
- All Denver benchmarked buildings· Energize Denver Building Performance Policy
- Most efficient large buildings in Denver
- Least efficient large buildings in Denver
- Biggest emitters in Denver
Frequently asked questions
What is Belleview Corporate Plaza Ii - 4900 S. Monaco St - Oef's energy grade?
Belleview Corporate Plaza Ii - 4900 S. Monaco St - Oef scores 69 out of 100 on ENERGY STAR — band C, below median (55–69) — in its 2023 Denver disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Belleview Corporate Plaza Ii - 4900 S. Monaco St - Oef use?
Its 2023 site energy-use intensity was 83.2 kBtu/ft² across 81,508 sq ft, including 1,971,355 kWh of electricity and 566 therms of natural gas.
What are Belleview Corporate Plaza Ii - 4900 S. Monaco St - Oef's carbon emissions?
Belleview Corporate Plaza Ii - 4900 S. Monaco St - Oef reported 1,046 tCO₂e of greenhouse-gas emissions for 2023.
Where is Belleview Corporate Plaza Ii - 4900 S. Monaco St - Oef?
Belleview Corporate Plaza Ii - 4900 S. Monaco St - Oef is at 4900 S. Monaco Street, in Denver, Colorado 80237.
How big is Belleview Corporate Plaza Ii - 4900 S. Monaco St - Oef and when was it built?
Belleview Corporate Plaza Ii - 4900 S. Monaco St - Oef has 81,508 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 2001 as its year built. It is classed as office.
Is Belleview Corporate Plaza Ii - 4900 S. Monaco St - Oef covered by the Energize Denver Building Performance Policy?
Yes — it appears in the 2023 Energize Denver Benchmarking disclosure, which lists the buildings reporting under the Energize Denver Building Performance Policy.
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About this data
Source: Energize Denver Benchmarking (Energize Denver Building Performance Policy), as published July 9, 2026. See the methodology for how records are matched, cleaned and scored.
Cite as: BuildingCensus, “Belleview Corporate Plaza Ii - 4900 S. Monaco St - Oef, Denver, Colorado — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/denver/belleview-corporate-plaza-ii-4900-s-monaco-st-oef-fe5af7fb (data as of July 9, 2026).