Co - Sunset Towers: Sunset Towers
Multifamily Housing in Denver, CO · 1925 Larimer Street · 80202
At a glance
Co - Sunset Towers: Sunset Towers is a 69,366-square-foot multifamily housing building at 1925 Larimer Street in Denver, Colorado, built in 1978. In its 2023 Denver benchmarking disclosure it reported an ENERGY STAR score of 74 out of 100 (grade B), a site energy-use intensity of 73.8 kBtu/ft² and 417 tCO₂e of greenhouse-gas emissions. That score is higher than 32% of the 956 scored multifamily housing buildings in Denver.
Energize Denver Building Performance Policy · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 74 (band B) |
| Site EUI | 73.8 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 417 tCO₂e |
| GHG intensity | — |
| Electricity | 416,986 kWh |
| Natural gas | 36,971 therms |
| Gross floor area | 69,366 sq ft |
| Source record | denver:2254:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | 74 | -4 | 73.8 kBtu/ft² | 417 tCO₂e |
| 2022 | 78 | +8 | 70.2 kBtu/ft² | 418 tCO₂e |
| 2021 | 70 | 73.0 kBtu/ft² | 458 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
- 1925 Larimer Street
- City
- Denver
- State
- Colorado
- ZIP
- 80202
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 Co - Sunset Towers: Sunset Towers 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. Co - Sunset Towers: Sunset Towers's ENERGY STAR score of 74 compares with an average of 78 across the 956 that report a score; it scores higher than 32% of them and lower than 68%. Its site EUI of 73.8 kBtu/ft² is about 29% above the average of 57.0 kBtu/ft² — it uses more energy per square foot than the typical building in that group.
At 69,366 sq ft, it is about half of the average floor area of 126,139 sq ft for those buildings. It was built in 1978, 12 years earlier 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 Co - Sunset Towers: Sunset Towers's energy performance changed over time?
BuildingCensus holds 3 Denver disclosures for Co - Sunset Towers: Sunset Towers, covering report years 2021–2023. Its ENERGY STAR score went from 70 in 2021 to 74 in 2023 (+4 points); its best year on file was 2022, at 78. Site EUI moved from 73.0 kBtu/ft² (2021) to 73.8 kBtu/ft² (2023), an 1% increase. Reported emissions went from 458 tCO₂e to 417 tCO₂e over the same span (down 9%).
What does an ENERGY STAR score of 74 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 74 means the building performs better than about 74% of its national peers. BuildingCensus bands the score into report-card grades; 74 falls in band B — above median (70–84). It sits 1 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. Co - Sunset Towers: Sunset Towers's 73.8 kBtu/ft² across 69,366 sq ft works out to about 5.1 billion Btu (1,500 MWh-equivalent) in 2023. The disclosure also reports 416,986 kWh of electricity and 36,971 therms of natural gas for the year.
Which law requires Co - Sunset Towers: Sunset Towers to report its energy use?
Co - Sunset Towers: Sunset Towers 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:2254:2023). 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.
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Frequently asked questions
What is Co - Sunset Towers: Sunset Towers's energy grade?
Co - Sunset Towers: Sunset Towers scores 74 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 Co - Sunset Towers: Sunset Towers use?
Its 2023 site energy-use intensity was 73.8 kBtu/ft² across 69,366 sq ft, including 416,986 kWh of electricity and 36,971 therms of natural gas.
What are Co - Sunset Towers: Sunset Towers's carbon emissions?
Co - Sunset Towers: Sunset Towers reported 417 tCO₂e of greenhouse-gas emissions for 2023.
Where is Co - Sunset Towers: Sunset Towers?
Co - Sunset Towers: Sunset Towers is at 1925 Larimer Street, in Denver, Colorado 80202.
How big is Co - Sunset Towers: Sunset Towers and when was it built?
Co - Sunset Towers: Sunset Towers has 69,366 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1978 as its year built. It is classed as multifamily housing.
Is Co - Sunset Towers: Sunset Towers 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, “Co - Sunset Towers: Sunset Towers, Denver, Colorado — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/denver/co-sunset-towers-sunset-towers-8d937455 (data as of July 9, 2026).