Atlantis Apartments Ii - 420 W. Cedar Ave., Denver, Co
Multifamily Housing in Denver, CO · 420 W Cedar Ave · 80223
At a glance
Atlantis Apartments Ii - 420 W. Cedar Ave., Denver, Co is a 68,029-square-foot multifamily housing building at 420 W Cedar Ave in Denver, Colorado, built in 2022. In its 2023 Denver benchmarking disclosure it reported an ENERGY STAR score of 82 out of 100 (grade B), a site energy-use intensity of 53.3 kBtu/ft² and 337 tCO₂e of greenhouse-gas emissions. That score is higher than 43% of the 956 scored multifamily housing buildings in Denver.
Energize Denver Building Performance Policy · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 82 (band B) |
| Site EUI | 53.3 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 337 tCO₂e |
| GHG intensity | — |
| Electricity | 414,184 kWh |
| Natural gas | 22,269 therms |
| Gross floor area | 68,029 sq ft |
| Source record | denver:6224:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | 82 | 53.3 kBtu/ft² | 337 tCO₂e | |
| 2022 | — | — | — | |
| 2021 | — | — | — |
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
- 420 W Cedar Ave
- City
- Denver
- State
- Colorado
- ZIP
- 80223
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 Atlantis Apartments Ii - 420 W. Cedar Ave., Denver, Co compare with other multifamily housing buildings in Denver?
The latest disclosures cover 1,108 multifamily housing buildings in Denver, out of 3,287 buildings citywide. Atlantis Apartments Ii - 420 W. Cedar Ave., Denver, Co's ENERGY STAR score of 82 compares with an average of 78 across the 956 that report a score; it scores higher than 43% of them and lower than 55%. Its site EUI of 53.3 kBtu/ft² is roughly in line with the average of 57.0 kBtu/ft² — it uses less energy per square foot than the typical building in that group.
At 68,029 sq ft, it is about half of the average floor area of 126,139 sq ft for those buildings. It was built in 2022, 32 years later than the group's average year built (1990). 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 Atlantis Apartments Ii - 420 W. Cedar Ave., Denver, Co's energy performance changed over time?
BuildingCensus holds 3 Denver disclosures for Atlantis Apartments Ii - 420 W. Cedar Ave., Denver, Co, covering report years 2021–2023. Only one of those years carries energy figures.
What does an ENERGY STAR score of 82 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 82 means the building performs better than about 82% of its national peers. BuildingCensus bands the score into report-card grades; 82 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 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. Atlantis Apartments Ii - 420 W. Cedar Ave., Denver, Co's 53.3 kBtu/ft² across 68,029 sq ft works out to about 3.6 billion Btu (1,063 MWh-equivalent) in 2023. The disclosure also reports 414,184 kWh of electricity and 22,269 therms of natural gas for the year.
Which law requires Atlantis Apartments Ii - 420 W. Cedar Ave., Denver, Co to report its energy use?
Atlantis Apartments Ii - 420 W. Cedar Ave., Denver, Co 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:6224:2023). 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 multifamily housing buildings in Denver
- 1898 S Bannock St· 67,919 sq ft
- Trivium Apartments· 67,800 sq ft · score 65 (C)
- Latitude 40· 67,676 sq ft · score 91 (A)
- Tammen Hall - 1010 E. 19Th Ave., Denver, Co· 67,617 sq ft · score 47 (D)
- 1515 Flats - Fx51· 67,115 sq ft · score 99 (A)
- Higgins Plaza· 66,441 sq ft · score 49 (D)
- Multifamily Housing buildings in Denver· 1,108 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 Atlantis Apartments Ii - 420 W. Cedar Ave., Denver, Co's energy grade?
Atlantis Apartments Ii - 420 W. Cedar Ave., Denver, Co scores 82 out of 100 on ENERGY STAR — band B, above median (70–84) — in its 2023 Denver disclosure. Scores are national percentiles against similar buildings; 75+ qualifies for ENERGY STAR certification.
How much energy does Atlantis Apartments Ii - 420 W. Cedar Ave., Denver, Co use?
Its 2023 site energy-use intensity was 53.3 kBtu/ft² across 68,029 sq ft, including 414,184 kWh of electricity and 22,269 therms of natural gas.
What are Atlantis Apartments Ii - 420 W. Cedar Ave., Denver, Co's carbon emissions?
Atlantis Apartments Ii - 420 W. Cedar Ave., Denver, Co reported 337 tCO₂e of greenhouse-gas emissions for 2023.
Where is Atlantis Apartments Ii - 420 W. Cedar Ave., Denver, Co?
Atlantis Apartments Ii - 420 W. Cedar Ave., Denver, Co is at 420 W Cedar Ave, in Denver, Colorado 80223.
How big is Atlantis Apartments Ii - 420 W. Cedar Ave., Denver, Co and when was it built?
Atlantis Apartments Ii - 420 W. Cedar Ave., Denver, Co has 68,029 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 2022 as its year built. It is classed as multifamily housing.
Is Atlantis Apartments Ii - 420 W. Cedar Ave., Denver, Co 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, “Atlantis Apartments Ii - 420 W. Cedar Ave., Denver, Co, Denver, Colorado — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/denver/atlantis-apartments-ii-420-w-cedar-ave-denver-co-c7dc9f7c (data as of July 9, 2026).