Lindsey-Flanigan Courthouse
Courthouse in Denver, CO · 520 W Colfax Ave · 80202
At a glance
Lindsey-Flanigan Courthouse is a 318,000-square-foot courthouse building at 520 W Colfax Ave in Denver, Colorado, built in 2007. In its 2023 Denver benchmarking disclosure it reported an ENERGY STAR score of 73 out of 100 (grade B), a site energy-use intensity of 69.4 kBtu/ft² and 2,004 tCO₂e of greenhouse-gas emissions. That score is higher than 44% of the 2,170 scored buildings in Denver.
Energize Denver Building Performance Policy · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | 73 (band B) |
| Site EUI | 69.4 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 2,004 tCO₂e |
| GHG intensity | — |
| Electricity | 2,033,175 kWh |
| Natural gas | 0 therms |
| Gross floor area | 318,000 sq ft |
| Source record | denver:3046:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | 73 | ±0 | 69.4 kBtu/ft² | 2,004 tCO₂e |
| 2022 | 73 | +1 | 72.3 kBtu/ft² | 2,094 tCO₂e |
| 2021 | 72 | 74.7 kBtu/ft² | 2,285 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
- 520 W Colfax Ave
- 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 Lindsey-Flanigan Courthouse compare with other buildings in Denver?
The latest disclosures cover 3,287 benchmarked buildings in Denver. Lindsey-Flanigan Courthouse's ENERGY STAR score of 73 compares with an average of 71 across the 2,170 that report a score. Its site EUI of 69.4 kBtu/ft² is about 14% below the average of 80.9 kBtu/ft² — it uses less energy per square foot than the typical building in that group.
At 318,000 sq ft, it is about 167% above the average floor area of 119,282 sq ft for those buildings. It was built in 2007, 24 years later than the group's average year built (1983). Across all 24 jurisdictions BuildingCensus covers, the 178 courthouse buildings average an ENERGY STAR score of 62 and a site EUI of 76.2 kBtu/ft².
How has Lindsey-Flanigan Courthouse's energy performance changed over time?
BuildingCensus holds 3 Denver disclosures for Lindsey-Flanigan Courthouse, covering report years 2021–2023. Its ENERGY STAR score went from 72 in 2021 to 73 in 2023 (+1 points); its best year on file was 2022, at 73. Site EUI moved from 74.7 kBtu/ft² (2021) to 69.4 kBtu/ft² (2023), a 7% decrease. Reported emissions went from 2,285 tCO₂e to 2,004 tCO₂e over the same span (down 12%).
What does an ENERGY STAR score of 73 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 73 means the building performs better than about 73% of its national peers. BuildingCensus bands the score into report-card grades; 73 falls in band B — above median (70–84). It sits 2 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. Lindsey-Flanigan Courthouse's 69.4 kBtu/ft² across 318,000 sq ft works out to about 22.1 billion Btu (6,468 MWh-equivalent) in 2023. The disclosure also reports 2,033,175 kWh of electricity and 0 therms of natural gas for the year.
Which law requires Lindsey-Flanigan Courthouse to report its energy use?
Lindsey-Flanigan Courthouse 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:3046:2023). 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 courthouse buildings in Denver
Frequently asked questions
What is Lindsey-Flanigan Courthouse's energy grade?
Lindsey-Flanigan Courthouse scores 73 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 Lindsey-Flanigan Courthouse use?
Its 2023 site energy-use intensity was 69.4 kBtu/ft² across 318,000 sq ft, including 2,033,175 kWh of electricity and 0 therms of natural gas.
What are Lindsey-Flanigan Courthouse's carbon emissions?
Lindsey-Flanigan Courthouse reported 2,004 tCO₂e of greenhouse-gas emissions for 2023.
Where is Lindsey-Flanigan Courthouse?
Lindsey-Flanigan Courthouse is at 520 W Colfax Ave, in Denver, Colorado 80202.
How big is Lindsey-Flanigan Courthouse and when was it built?
Lindsey-Flanigan Courthouse has 318,000 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 2007 as its year built. It is classed as courthouse.
Is Lindsey-Flanigan Courthouse 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, “Lindsey-Flanigan Courthouse, Denver, Colorado — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/denver/lindsey-flanigan-courthouse-edc46816 (data as of July 9, 2026).