1250 Welton St

1250 Welton St is a 5-story building in Greater Downtown Denver with 99% of its floor area within daylight reach of a facade. This screen estimates 133 homes and scores it 94 out of 100 for office-to-residential conversion suitability.

CO-1 · Screened 2026-09-13 · Strong candidate

1250 Welton St — 99% of the building’s floor area sits within daylight reach of a facade; the drawing shows its typical floor, where the share is 99%. The hatched area is windowless core: 337 sq ft per typical floor that must be renovated but can never be rented as an apartment. Deepest interior point: 41 ft from the nearest window.

This building does not pencil at default assumptions, even with a modeled RESIDE Act grant.

Across its 4 residential floors this building carries 1,519 sq ft of windowless core — area that must be gutted, re-plumbed and sprinklered but can never be rented as an apartment.

Modeled conversion metrics for 1250 Welton St, 2026-09-13.
Suitability scoreStrong candidate	94 / 100
Storiesfrom 61 ft aerial-survey height ÷ 12 ft floor-to-floor	5
Height bandsfloor plate by floor range, from the city's roof outlines	Floor 1: 35,324 sq ft · Floor 2: 34,427 sq ft · Floors 3–4: 33,173 sq ft · Floor 5: 25,650 sq ft
Floor platetypical floor, from the city outlines	33,173 sq ft
Daylight efficiencyshare within 35 ft of a facade	99%
Deepest interior pointviability threshold is 80 ft	41 ft
Windowless coretypical floor; the building-wide total is in the text above	337 sq ft
Estimated homesat 750 sq ft average	133
Conversion cost$360/sq ft all-in on 126,422 sq ft	$45.5M
Gap before grantshortfall against completed value	$14.1M
Modeled RESIDE grantbelow the statutory cap	$8.0M
ZoningCBD	D-C

These figures are a screen, not a feasibility study, and they come from public footprint and height data rather than from plans. See how this was computed and what it cannot tell you, or open this building in the interactive survey to change the assumptions behind it.