At a glance
2401 East 2Nd Ave (2Nd &Amp; Josephine) is a 52,466-square-foot office building in Denver, Colorado, built in 1965. In its 2023 Denver benchmarking disclosure it reported an ENERGY STAR score of 72 out of 100 (grade B), a site energy-use intensity of 52.1 kBtu/ft² and 328 tCO₂e of greenhouse-gas emissions. That score is higher than 38% of the 339 scored office buildings in Denver.
Energize Denver Building Performance Policy · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 72 (band B) |
| Site EUI | 52.1 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 328 tCO₂e |
| GHG intensity | — |
| Electricity | 528,639 kWh |
| Natural gas | 9,148 therms |
| Gross floor area | 52,466 sq ft |
| Source record | denver:3444:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | 72 | +4 | 52.1 kBtu/ft² | 328 tCO₂e |
| 2022 | 68 | -5 | 56.7 kBtu/ft² | 350 tCO₂e |
| 2021 | 73 | 51.6 kBtu/ft² | 347 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
- 2401 East 2Nd Ave
- City
- Denver
- State
- Colorado
- ZIP
- 80206
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 2401 East 2Nd Ave (2Nd &Amp; Josephine) compare with other office buildings in Denver?
The latest disclosures cover 427 office buildings in Denver, out of 3,287 buildings citywide. 2401 East 2Nd Ave (2Nd &Amp; Josephine)'s ENERGY STAR score of 72 compares with an average of 71 across the 339 that report a score; it scores higher than 38% of them and lower than 59%. Its site EUI of 52.1 kBtu/ft² is about 22% below the average of 67.1 kBtu/ft² — it uses less energy per square foot than the typical building in that group.
At 52,466 sq ft, it is about 67% below the average floor area of 157,927 sq ft for those buildings. It was built in 1965, 15 years earlier 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 2401 East 2Nd Ave (2Nd &Amp; Josephine)'s energy performance changed over time?
BuildingCensus holds 3 Denver disclosures for 2401 East 2Nd Ave (2Nd &Amp; Josephine), covering report years 2021–2023. Its ENERGY STAR score went from 73 in 2021 to 72 in 2023 (-1 points); its best year on file was 2021, at 73. Site EUI moved from 51.6 kBtu/ft² (2021) to 52.1 kBtu/ft² (2023), an 1% increase. Reported emissions went from 347 tCO₂e to 328 tCO₂e over the same span (down 5%).
What does an ENERGY STAR score of 72 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 72 means the building performs better than about 72% of its national peers. BuildingCensus bands the score into report-card grades; 72 falls in band B — above median (70–84). It sits 3 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. 2401 East 2Nd Ave (2Nd &Amp; Josephine)'s 52.1 kBtu/ft² across 52,466 sq ft works out to about 2.7 billion Btu (801 MWh-equivalent) in 2023. The disclosure also reports 528,639 kWh of electricity and 9,148 therms of natural gas for the year.
Which law requires 2401 East 2Nd Ave (2Nd &Amp; Josephine) to report its energy use?
2401 East 2Nd Ave (2Nd &Amp; Josephine) 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:3444:2023). 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
- Dunkeld-14 Co Llc· 50,900 sq ft · score 58 (C)
- Denver Options Dba Rocky Mountain Human Services· 50,900 sq ft · score 72 (B)
- River Point· 50,813 sq ft · score 82 (B)
- 1525 Raleigh Street· 50,058 sq ft · score 64 (C)
- Bannock Building· 50,000 sq ft · score 64 (C)
- 9047: 1553 Platte Street: Zang Building· 49,921 sq ft · score 62 (C)
- 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 2401 East 2Nd Ave (2Nd &Amp; Josephine)'s energy grade?
2401 East 2Nd Ave (2Nd &Amp; Josephine) scores 72 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 2401 East 2Nd Ave (2Nd &Amp; Josephine) use?
Its 2023 site energy-use intensity was 52.1 kBtu/ft² across 52,466 sq ft, including 528,639 kWh of electricity and 9,148 therms of natural gas.
What are 2401 East 2Nd Ave (2Nd &Amp; Josephine)'s carbon emissions?
2401 East 2Nd Ave (2Nd &Amp; Josephine) reported 328 tCO₂e of greenhouse-gas emissions for 2023.
Where is 2401 East 2Nd Ave (2Nd &Amp; Josephine)?
2401 East 2Nd Ave (2Nd &Amp; Josephine) is in Denver, Colorado 80206.
How big is 2401 East 2Nd Ave (2Nd &Amp; Josephine) and when was it built?
2401 East 2Nd Ave (2Nd &Amp; Josephine) has 52,466 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1965 as its year built. It is classed as office.
Is 2401 East 2Nd Ave (2Nd &Amp; Josephine) 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, “2401 East 2Nd Ave (2Nd &Amp; Josephine), Denver, Colorado — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/denver/2401-east-2nd-ave-2nd-amp-josephine-a13b1e62 (data as of July 9, 2026).