BuildingCensus
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Thirteenth Floor Denver Holdings, Llc

Other - Entertainment/Public Assembly in Denver, CO · 3400 E 52Nd Ave · 80216

At a glance

Thirteenth Floor Denver Holdings, Llc is a 32,250-square-foot other - entertainment/public assembly building at 3400 E 52Nd Ave in Denver, Colorado, built in 1964. In its 2023 Denver benchmarking disclosure it reported a site energy-use intensity of 38.0 kBtu/ft² and 95 tCO₂e of greenhouse-gas emissions.

ENERGY STAR score
—
not reported · 2023
Site EUI
38.0
kBtu/ft²
GHG emissions
95
tCO₂e
GHG intensity
—
kgCO₂e/ft²
Floor area
32,250
sq ft
Year built
1964
vintage

Energize Denver Building Performance Policy · reporting year 2023

Benchmarking record

FieldValue
ENERGY STAR score—
Site EUI38.0 kBtu/ft²
Source EUI—
GHG emissions95 tCO₂e
GHG intensity—
Electricity86,331 kWh
Natural gas9,299 therms
Gross floor area32,250 sq ft
Source recorddenver:1855:2023

The disclosure history

Year over year

YearScoreΔSite EUIGHG emissions
2023latest—38.0 kBtu/ft²95 tCO₂e
2022—41.7 kBtu/ft²104 tCO₂e
2021—37.9 kBtu/ft²101 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.

Program details →

Ownership

No owning organisation shown. Names of private individuals in the disclosure are not published here.

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Location

Address
3400 E 52Nd Ave
City
Denver
State
Colorado
ZIP
80216

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 Thirteenth Floor Denver Holdings, Llc compare with other other - entertainment/public assembly buildings in Denver?

The latest disclosures cover 5 other - entertainment/public assembly buildings in Denver, out of 3,287 buildings citywide. Its site EUI of 38.0 kBtu/ft² is about 56% below the average of 87.2 kBtu/ft² — it uses less energy per square foot than the typical building in that group.

At 32,250 sq ft, it is about 63% below the average floor area of 86,424 sq ft for those buildings. It was built in 1964, 13 years earlier than the group's average year built (1977).

How has Thirteenth Floor Denver Holdings, Llc's energy performance changed over time?

BuildingCensus holds 3 Denver disclosures for Thirteenth Floor Denver Holdings, Llc, covering report years 2021–2023. Site EUI moved from 37.9 kBtu/ft² (2021) to 38.0 kBtu/ft² (2023), an 0% increase. Reported emissions went from 101 tCO₂e to 95 tCO₂e over the same span (down 6%).

What does a site EUI of 38.0 kBtu/ft² mean?

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. Thirteenth Floor Denver Holdings, Llc's 38.0 kBtu/ft² across 32,250 sq ft works out to about 1.2 billion Btu (359 MWh-equivalent) in 2023. The disclosure also reports 86,331 kWh of electricity and 9,299 therms of natural gas for the year.

Which law requires Thirteenth Floor Denver Holdings, Llc to report its energy use?

Thirteenth Floor Denver Holdings, Llc 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:1855:2023). 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 other - entertainment/public assembly buildings in Denver

Frequently asked questions

What is Thirteenth Floor Denver Holdings, Llc's energy grade?

Thirteenth Floor Denver Holdings, Llc did not report an ENERGY STAR score in its 2023 disclosure, but its site energy-use intensity was 38.0 kBtu/ft².

How much energy does Thirteenth Floor Denver Holdings, Llc use?

Its 2023 site energy-use intensity was 38.0 kBtu/ft² across 32,250 sq ft, including 86,331 kWh of electricity and 9,299 therms of natural gas.

What are Thirteenth Floor Denver Holdings, Llc's carbon emissions?

Thirteenth Floor Denver Holdings, Llc reported 95 tCO₂e of greenhouse-gas emissions for 2023.

Where is Thirteenth Floor Denver Holdings, Llc?

Thirteenth Floor Denver Holdings, Llc is at 3400 E 52Nd Ave, in Denver, Colorado 80216.

How big is Thirteenth Floor Denver Holdings, Llc and when was it built?

Thirteenth Floor Denver Holdings, Llc has 32,250 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1964 as its year built. It is classed as other - entertainment/public assembly.

Is Thirteenth Floor Denver Holdings, Llc 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, “Thirteenth Floor Denver Holdings, Llc, Denver, Colorado — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/denver/thirteenth-floor-denver-holdings-llc-1e841be4 (data as of July 9, 2026).