Sam Gary Library (Stapleton)
Library in Denver, CO · 2961 Roslyn St. · 80238
At a glance
Sam Gary Library (Stapleton) is a 28,490-square-foot library at 2961 Roslyn St. in Denver, Colorado, built in 1980. In its 2023 Denver benchmarking disclosure it reported a site energy-use intensity of 77.6 kBtu/ft² and 238 tCO₂e of greenhouse-gas emissions.
Energize Denver Building Performance Policy · reporting year 2023
Benchmarking record
| Field | Value |
|---|---|
| ENERGY STAR score | — |
| Site EUI | 77.6 kBtu/ft² |
| Source EUI | — |
| GHG emissions | 238 tCO₂e |
| GHG intensity | — |
| Electricity | 346,934 kWh |
| Natural gas | 10,273 therms |
| Gross floor area | 28,490 sq ft |
| Source record | denver:1768:2023 |
The disclosure history
Year over year
| Year | Score | Δ | Site EUI | GHG emissions |
|---|---|---|---|---|
| 2023latest | — | 77.6 kBtu/ft² | 238 tCO₂e | |
| 2022 | — | 75.3 kBtu/ft² | 229 tCO₂e | |
| 2021 | — | 74.4 kBtu/ft² | 245 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
- 2961 Roslyn St.
- City
- Denver
- State
- Colorado
- ZIP
- 80238
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 Sam Gary Library (Stapleton) compare with other library buildings in Denver?
The latest disclosures cover 6 library buildings in Denver, out of 3,287 buildings citywide. Its site EUI of 77.6 kBtu/ft² is roughly in line with the average of 81.8 kBtu/ft² — it uses less energy per square foot than the typical building in that group.
At 28,490 sq ft, it is about 75% below the average floor area of 114,556 sq ft for those buildings. It was built in 1980, 10 years earlier than the group's average year built (1990).
How has Sam Gary Library (Stapleton)'s energy performance changed over time?
BuildingCensus holds 3 Denver disclosures for Sam Gary Library (Stapleton), covering report years 2021–2023. Site EUI moved from 74.4 kBtu/ft² (2021) to 77.6 kBtu/ft² (2023), an 4% increase. Reported emissions went from 245 tCO₂e to 238 tCO₂e over the same span (down 3%).
What does a site EUI of 77.6 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. Sam Gary Library (Stapleton)'s 77.6 kBtu/ft² across 28,490 sq ft works out to about 2.2 billion Btu (648 MWh-equivalent) in 2023. The disclosure also reports 346,934 kWh of electricity and 10,273 therms of natural gas for the year.
Which law requires Sam Gary Library (Stapleton) to report its energy use?
Sam Gary Library (Stapleton) 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:1768:2023). 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 library buildings in Denver
- Rodolfo "Corky" Gonzales Library· 27,000 sq ft · EUI 66.4 kBtu/ft²
- Westwood Community Center· 26,160 sq ft · EUI 75.7 kBtu/ft²
- Green Valley Ranch Library· 26,000 sq ft · EUI 91.9 kBtu/ft²
- All Denver benchmarked buildings· Energize Denver Building Performance Policy
- Most efficient large buildings in Denver
- Least efficient large buildings in Denver
- Biggest emitters in Denver
Frequently asked questions
What is Sam Gary Library (Stapleton)'s energy grade?
Sam Gary Library (Stapleton) did not report an ENERGY STAR score in its 2023 disclosure, but its site energy-use intensity was 77.6 kBtu/ft².
How much energy does Sam Gary Library (Stapleton) use?
Its 2023 site energy-use intensity was 77.6 kBtu/ft² across 28,490 sq ft, including 346,934 kWh of electricity and 10,273 therms of natural gas.
What are Sam Gary Library (Stapleton)'s carbon emissions?
Sam Gary Library (Stapleton) reported 238 tCO₂e of greenhouse-gas emissions for 2023.
Where is Sam Gary Library (Stapleton)?
Sam Gary Library (Stapleton) is at 2961 Roslyn St., in Denver, Colorado 80238.
How big is Sam Gary Library (Stapleton) and when was it built?
Sam Gary Library (Stapleton) has 28,490 sq ft of gross floor area, as reported in its 2023 disclosure. The disclosure lists 1980 as its year built. It is classed as library.
Is Sam Gary Library (Stapleton) 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, “Sam Gary Library (Stapleton), Denver, Colorado — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/denver/sam-gary-library-stapleton-9bd7467b (data as of July 9, 2026).