At a glance
12055 East 49Th Ave/4955 Peoria - 11520 is a 49,575-square-foot office building in Denver, Colorado, built in 1984. In its 2023 Denver benchmarking disclosure it reported a site energy-use intensity of 48.9 kBtu/ft² and 204 tCO₂e of greenhouse-gas emissions.
Energize Denver Building Performance Policy · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 48.9 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 204 tCO₂e |
| GHG intensity | — |
| Electricity | 226,472 kWh |
| Natural gas | 16,520 therms |
| Gross floor area | 49,575 sq ft |
| Source record | denver:1242:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | — | 48.9 kBtu/ft² | 204 tCO₂e | |
| 2022 | — | 53.2 kBtu/ft² | 219 tCO₂e | |
| 2021 | — | 51.4 kBtu/ft² | 231 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.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 12055 East 49Th Ave/4955 Peoria
- City
- Denver
- State
- Colorado
- ZIP
- 80239
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 12055 East 49Th Ave/4955 Peoria - 11520 compare with other office buildings in Denver?
The latest disclosures cover 427 office buildings in Denver, out of 3,287 buildings citywide. Its site EUI of 48.9 kBtu/ft² is about 27% below the average of 67.1 kBtu/ft² — it uses less energy per square foot than the typical building in that group.
At 49,575 sq ft, it is about 69% below the average floor area of 157,927 sq ft for those buildings. It was built in 1984, 4 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 12055 East 49Th Ave/4955 Peoria - 11520's energy performance changed over time?
BuildingCensus holds 3 Denver disclosures for 12055 East 49Th Ave/4955 Peoria - 11520, covering report years 2021–2023. Site EUI moved from 51.4 kBtu/ft² (2021) to 48.9 kBtu/ft² (2023), a 5% decrease. Reported emissions went from 231 tCO₂e to 204 tCO₂e over the same span (down 12%).
What does a site EUI of 48.9 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. 12055 East 49Th Ave/4955 Peoria - 11520's 48.9 kBtu/ft² across 49,575 sq ft works out to about 2.4 billion Btu (710 MWh-equivalent) in 2023. The disclosure also reports 226,472 kWh of electricity and 16,520 therms of natural gas for the year.
Which law requires 12055 East 49Th Ave/4955 Peoria - 11520 to report its energy use?
12055 East 49Th Ave/4955 Peoria - 11520 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:1242:2023). 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
- 2401 W 15Th St. (Yardi Api)· 49,401 sq ft · score 26 (D)
- Administrative Office Building· 48,772 sq ft · score 98 (A)
- Arie P. Taylor Municipal Center· 48,614 sq ft · score 54 (D)
- 1115 Acoma· 48,000 sq ft · score 27 (D)
- C. M. Clark-1205· 47,554 sq ft · score 84 (B)
- Acoma Street Campus· 47,376 sq ft · score 78 (B)
- 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 12055 East 49Th Ave/4955 Peoria - 11520's energy grade?
12055 East 49Th Ave/4955 Peoria - 11520 did not report an ENERGY STAR score in its 2023 disclosure, but its site energy-use intensity was 48.9 kBtu/ft².
How much energy does 12055 East 49Th Ave/4955 Peoria - 11520 use?
Its 2023 site energy-use intensity was 48.9 kBtu/ft² across 49,575 sq ft, including 226,472 kWh of electricity and 16,520 therms of natural gas.
What are 12055 East 49Th Ave/4955 Peoria - 11520's carbon emissions?
12055 East 49Th Ave/4955 Peoria - 11520 reported 204 tCO₂e of greenhouse-gas emissions for 2023.
Where is 12055 East 49Th Ave/4955 Peoria - 11520?
12055 East 49Th Ave/4955 Peoria - 11520 is in Denver, Colorado 80239.
How big is 12055 East 49Th Ave/4955 Peoria - 11520 and when was it built?
12055 East 49Th Ave/4955 Peoria - 11520 has 49,575 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1984 as its year built. It is classed as office.
Is 12055 East 49Th Ave/4955 Peoria - 11520 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.
Working with Denver building benchmarking records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “12055 East 49Th Ave/4955 Peoria - 11520, Denver, Colorado — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/denver/12055-east-49th-ave-4955-peoria-11520-86eb9662 (data as of July 9, 2026).