Citizen (Aka Citizen West Tenth)
Multifamily Housing in Denver, CO · 140 10Th Ave W · 80204
At a glance
Citizen (Aka Citizen West Tenth) is a 426,868-square-foot multifamily housing building at 140 10Th Ave W in Denver, Colorado, built in 2022. In its 2023 Denver benchmarking disclosure it reported an ENERGY STAR score of 59 out of 100 (grade C), a site energy-use intensity of 60.4 kBtu/ft² and 2,657 tCO₂e of greenhouse-gas emissions. That score is higher than 18% of the 956 scored multifamily housing buildings in Denver.
Energize Denver Building Performance Policy · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 59 (band C) |
| Site EUI | 60.4 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 2,657 tCO₂e |
| GHG intensity | — |
| Electricity | 3,880,010 kWh |
| Natural gas | 125,240 therms |
| Gross floor area | 426,868 sq ft |
| Source record | denver:6174:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | 59 | 60.4 kBtu/ft² | 2,657 tCO₂e | |
| 2022 | — | — | — |
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
- 140 10Th Ave W
- City
- Denver
- State
- Colorado
- ZIP
- 80204
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 Citizen (Aka Citizen West Tenth) 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. Citizen (Aka Citizen West Tenth)'s ENERGY STAR score of 59 compares with an average of 78 across the 956 that report a score; it scores higher than 18% of them and lower than 81%. Its site EUI of 60.4 kBtu/ft² is roughly in line with the average of 57.0 kBtu/ft².
At 426,868 sq ft, it is about 238% above 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 Citizen (Aka Citizen West Tenth)'s energy performance changed over time?
BuildingCensus holds 2 Denver disclosures for Citizen (Aka Citizen West Tenth), covering report years 2022–2023. Only one of those years carries energy figures.
What does an ENERGY STAR score of 59 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 59 means the building performs better than about 59% of its national peers. BuildingCensus bands the score into report-card grades; 59 falls in band C — below median (55–69). It sits 16 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. Citizen (Aka Citizen West Tenth)'s 60.4 kBtu/ft² across 426,868 sq ft works out to about 25.8 billion Btu (7,556 MWh-equivalent) in 2023. The disclosure also reports 3,880,010 kWh of electricity and 125,240 therms of natural gas for the year.
Which law requires Citizen (Aka Citizen West Tenth) to report its energy use?
Citizen (Aka Citizen West Tenth) 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:6174:2023). 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
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- Parkfield - Co (Pf99)· 412,856 sq ft · score 51 (D)
- 1600 Glenarm Place· 412,143 sq ft · score 6 (D)
- Pearl Dtc - Co (Pr039)· 412,015 sq ft · score 77 (B)
- Westend Apartments (Ws292)· 409,004 sq ft · score 81 (B)
- Multifamily Housing buildings in Denver· 1,108 benchmarked
- All Denver benchmarked buildings· Energize Denver Building Performance Policy
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- Least efficient large buildings in Denver
- Biggest emitters in Denver
Frequently asked questions
What is Citizen (Aka Citizen West Tenth)'s energy grade?
Citizen (Aka Citizen West Tenth) scores 59 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 Citizen (Aka Citizen West Tenth) use?
Its 2023 site energy-use intensity was 60.4 kBtu/ft² across 426,868 sq ft, including 3,880,010 kWh of electricity and 125,240 therms of natural gas.
What are Citizen (Aka Citizen West Tenth)'s carbon emissions?
Citizen (Aka Citizen West Tenth) reported 2,657 tCO₂e of greenhouse-gas emissions for 2023.
Where is Citizen (Aka Citizen West Tenth)?
Citizen (Aka Citizen West Tenth) is at 140 10Th Ave W, in Denver, Colorado 80204.
How big is Citizen (Aka Citizen West Tenth) and when was it built?
Citizen (Aka Citizen West Tenth) has 426,868 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 Citizen (Aka Citizen West Tenth) 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, “Citizen (Aka Citizen West Tenth), Denver, Colorado — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/denver/citizen-aka-citizen-west-tenth-0b99d21e (data as of July 9, 2026).