Alloy Sunnyside (Al297)
Multifamily Housing in Denver, CO · 4140 N Jason St · 80211
At a glance
Alloy Sunnyside (Al297) is a 189,507-square-foot multifamily housing building at 4140 N Jason St in Denver, Colorado, built in 2023. It is listed in the 2023 Energize Denver Benchmarking disclosure without energy figures: no ENERGY STAR score, energy use or emissions were published for it that year.
No energy data reported for 2023
Alloy Sunnyside (Al297) appears in the 2023 Energize Denver Benchmarking disclosure, but no ENERGY STAR score, energy use or emissions were published for it — the building did not report benchmarking data for that year.
Floor area on file: 189,507 sq ft · Built 2023
Source record denver:6282:2023
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.
Own or manage this building? Claim it to correct the record and get compliance alerts.
Location
- Address
- 4140 N Jason St
- City
- Denver
- State
- Colorado
- ZIP
- 80211
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 has Alloy Sunnyside (Al297)'s energy performance changed over time?
BuildingCensus holds 3 Denver disclosures for Alloy Sunnyside (Al297), covering report years 2021–2023. None of those years carry an ENERGY STAR score or site EUI.
Which law requires Alloy Sunnyside (Al297) to report its energy use?
Alloy Sunnyside (Al297) 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:6282:2023). 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 multifamily housing buildings in Denver
- Co - Sunset Park Apartments: Sunset Park Apartments· 189,228 sq ft
- Avia Lowry (Gr157)· 189,159 sq ft · score 55 (C)
- Andante At Nine Mile Station· 188,758 sq ft · score 68 (C)
- Sun Valley Greenhaus· 188,304 sq ft
- Decatur Point Apartments· 187,392 sq ft · score 98 (A)
- Portico Condominiums - 2500 Cherry Creek· 187,096 sq ft · score 99 (A)
- Multifamily Housing buildings in Denver· 1,108 benchmarked
- 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 Alloy Sunnyside (Al297)'s energy grade?
Alloy Sunnyside (Al297) has no grade: it did not report energy data for 2023. The 2023 Energize Denver Benchmarking disclosure lists the building but publishes no ENERGY STAR score, energy use or emissions for it.
Where is Alloy Sunnyside (Al297)?
Alloy Sunnyside (Al297) is at 4140 N Jason St, in Denver, Colorado 80211.
Working with Denver building benchmarking records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Alloy Sunnyside (Al297), Denver, Colorado — 2023 benchmarking disclosure”, https://buildingcensus.com/buildings/denver/alloy-sunnyside-al297-27891d95 (data as of July 9, 2026).