Cortland Gateway Park (Ly73)
Multifamily Housing in Denver, CO · 4699 Kittredge St · 80239
At a glance
Cortland Gateway Park (Ly73) is a 469,978-square-foot multifamily housing building at 4699 Kittredge St in Denver, Colorado, built in 2001. In its 2023 Denver benchmarking disclosure it reported an ENERGY STAR score of 79 out of 100 (grade B), a site energy-use intensity of 44.9 kBtu/ft² and 2,600 tCO₂e of greenhouse-gas emissions. That score is higher than 38% of the 956 scored multifamily housing buildings in Denver.
Energize Denver Building Performance Policy · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 79 (band B) |
| Site EUI | 44.9 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 2,600 tCO₂e |
| GHG intensity | — |
| Electricity | 3,943,300 kWh |
| Natural gas | 96,840 therms |
| Gross floor area | 469,978 sq ft |
| Source record | denver:5676:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | 79 | +5 | 44.9 kBtu/ft² | 2,600 tCO₂e |
| 2022 | 74 | -12 | 52.5 kBtu/ft² | 2,649 tCO₂e |
| 2021 | 86 | 39.3 kBtu/ft² | 2,290 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
- 4699 Kittredge St
- 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 Cortland Gateway Park (Ly73) 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. Cortland Gateway Park (Ly73)'s ENERGY STAR score of 79 compares with an average of 78 across the 956 that report a score; it scores higher than 38% of them and lower than 60%. Its site EUI of 44.9 kBtu/ft² is about 21% below the average of 57.0 kBtu/ft² — it uses less energy per square foot than the typical building in that group.
At 469,978 sq ft, it is about 273% above the average floor area of 126,139 sq ft for those buildings. It was built in 2001, 11 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 Cortland Gateway Park (Ly73)'s energy performance changed over time?
BuildingCensus holds 3 Denver disclosures for Cortland Gateway Park (Ly73), covering report years 2021–2023. Its ENERGY STAR score went from 86 in 2021 to 79 in 2023 (-7 points); its best year on file was 2021, at 86. Site EUI moved from 39.3 kBtu/ft² (2021) to 44.9 kBtu/ft² (2023), an 14% increase. Reported emissions went from 2,290 tCO₂e to 2,600 tCO₂e over the same span (up 14%).
What does an ENERGY STAR score of 79 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 79 means the building performs better than about 79% of its national peers. BuildingCensus bands the score into report-card grades; 79 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. Cortland Gateway Park (Ly73)'s 44.9 kBtu/ft² across 469,978 sq ft works out to about 21.1 billion Btu (6,184 MWh-equivalent) in 2023. The disclosure also reports 3,943,300 kWh of electricity and 96,840 therms of natural gas for the year.
Which law requires Cortland Gateway Park (Ly73) to report its energy use?
Cortland Gateway Park (Ly73) 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:5676:2023). 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 Cortland Gateway Park (Ly73)'s energy grade?
Cortland Gateway Park (Ly73) scores 79 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 Cortland Gateway Park (Ly73) use?
Its 2023 site energy-use intensity was 44.9 kBtu/ft² across 469,978 sq ft, including 3,943,300 kWh of electricity and 96,840 therms of natural gas.
What are Cortland Gateway Park (Ly73)'s carbon emissions?
Cortland Gateway Park (Ly73) reported 2,600 tCO₂e of greenhouse-gas emissions for 2023.
Where is Cortland Gateway Park (Ly73)?
Cortland Gateway Park (Ly73) is at 4699 Kittredge St, in Denver, Colorado 80239.
How big is Cortland Gateway Park (Ly73) and when was it built?
Cortland Gateway Park (Ly73) has 469,978 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 2001 as its year built. It is classed as multifamily housing.
Is Cortland Gateway Park (Ly73) 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, “Cortland Gateway Park (Ly73), Denver, Colorado — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/denver/cortland-gateway-park-ly73-d4505bc8 (data as of July 9, 2026).