1890 Wynkoop St

1890 Wynkoop St is a 8-story building in Greater Downtown Denver with 84% of its floor area within daylight reach of a facade. This screen estimates 86 homes and scores it 69 out of 100 for office-to-residential conversion suitability.

CO-1 · Screened 2026-09-19 · Worth a feasibility study

Build a conversion planCheck its numbers, lay out its homes and get a two-page PDF. Free.

Where 1890 Wynkoop St is

Its block in Greater Downtown Denver, drawn from Denver's own building outlines and street centerlines.

Suitability score

0–29

30–49

50–69

70–100

Already housing
Not screened
1890 Wynkoop St

1890 Wynkoop St and the 1,000 ft of Greater Downtown Denver around it. The streets are drawn at the width of the right-of-way they run down, sidewalks included, and named, and every building on these blocks is drawn. What is left open and stippled is neither: a surface lot, a plaza or a vacant parcel. The screened buildings are colored by the ramp above, the same one the district map uses, carry their score, and each is a link to its own page. Each casts a shadow as long as its measured height lets it, so towers stand out from the low buildings around them; the unscreened buildings have no measured height and cast none. 1890 Wynkoop St is outlined in its own score color at the outline it covers at ground level. Dashed inside it is the typical floor, the one the floor-plate figure below draws, because this building steps back as it rises. Its windowless core is hatched. The inset places it among every building the screen covers.

Typical floor plan: 84% of the building’s floor area sits within daylight reach of a facade; the drawing shows its typical floor, where the share is 80%. The shading is daylight, darkest at the windows and gone 35 ft in. The hatched area is windowless core: 3,296 sq ft per typical floor that must be renovated but can never be rented as an apartment. The dimension marks the deepest interior point, 61 ft from the nearest window. A–A is where the section beside it is cut.

Section A–A: cut across the depth of the plate, through the middle of the core. Daylight reaches 35 ft in from every facade, fading as it goes, and the hatched stripe left between the lit edges is floor that gets converted and can never be rented: 3,296 sq ft on the floor the screen scores, and 15,051 sq ft over 7 residential floors. The steps are where the building sets back as it rises. The shaded ground floor is converted like the rest and counted as no homes.

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

Across its 7 residential floors this building carries 15,051 sq ft of windowless core — area that must be gutted, re-plumbed and sprinklered but can never be rented as an apartment.

Part of this building is already homes. Denver's property records list 36 condominiums here, alongside 3 non-residential records. The figures here treat the whole building as convertible, so read them as an upper bound and check which floors are already housing.

Modeled conversion metrics for 1890 Wynkoop St, 2026-09-19.

Suitability scoreWorth a feasibility study	69 / 100
Storiesfrom 101 ft aerial-survey height ÷ 12 ft floor-to-floor	8
Height bandsfloor plate by floor range, from the city's roof outlines	Floors 1–4: 16,158 sq ft · Floors 5–8: 11,964 sq ft
Floor platetypical floor, from the city outlines	16,158 sq ft
Daylight efficiencyshare within 35 ft of a facade	84%
Deepest interior pointviability threshold is 80 ft	61 ft
Windowless coretypical floor; the building-wide total is in the text above	3,296 sq ft
Estimated homesat 750 sq ft average	86
Conversion cost$360/sq ft all-in on 96,329 sq ft	$34.7M
Gap before grantshortfall against completed value	$14.4M
Modeled RESIDE grantbelow the statutory cap	$5.2M
BuiltDenver does not publish a construction year with this data	—
ZoningUnion Station	D-LD
Opportunity Zonenot in a 2018 designated tract	No

The plan: window line, shape and floor rhythm

40 ft of exterior wall for each home the screen estimates — enough for two- and three-bedroom homes across the plan.

The typical floor has 521 ft of exterior wall, and across 7 residential floors the building carries 3,402 ft of it in total, divided among the 86 homes this screen estimates.

Its plate is compact at 0.75: close to a square or a circle, the most efficient envelope an office can have and the least generous one for apartments: little perimeter to divide among homes. How window line and plate shape are measured.

At the model’s 750 sq ft average, the plan works out at about 12.3 homes per floor, repeated on every residential floor, since this building's outline does not change as it rises.

Why 1890 Wynkoop St scores 69 out of 100

Daylight efficiency 89, Interior depth 49, Scale 57, Finance 56 — each out of 100, then weighted.

Score components for 1890 Wynkoop St. Points are the subscore times its weight.

Component	Subscore	Weight	Points
Daylight efficiency84% of the floor area within 35 ft of a facade, scored from 40% up to 90%	89	45%	39.9
Interior depthdeepest interior point 61 ft from a facade, scored from 80 ft down to 40 ft	49	25%	12.1
Scale86 estimated homes, scored from 0 up to 150	57	15%	8.6
Financeremaining gap is 27% of conversion cost, scored from 60% down to 0%	56	15%	8.4

Most of what it earns comes from daylight efficiency, and what holds it back most is interior depth, at 49 out of 100: deepest interior point 61 ft from a facade, scored from 80 ft down to 40 ft.

What the conversion would cost

$360 per square foot all-in across 96,329 sq ft of converted floor, or $34.7M in total — about $403K for each of the 86 homes.

All-in cost per square foot for 1890 Wynkoop St: base cost plus the code work a change of use triggers.

Base conversion cost	$260/sq ft
Plumbing risers to every unit	$40/sq ft
Operable windows and glazing	$30/sq ft
Additional egress stair	$18/sq ft
Fire sprinklers (NFPA 13R)	$12/sq ft
All-in	$360/sq ft

That cost is charged across every converted square foot, including the 15,051 sq ft of windowless core, which has to be gutted, re-plumbed and sprinklered like the rest of the building and then earns nothing. Against it the model sets a completed value of $236K a home, which for 86 homes is $20.3M.

What would have to be true

A $14.4M gap before any grant, $9.2M after the modeled one. The smallest single change that would close it: average unit size 27% down.

The shortfall before any grant is $14.4M. Closing it from the value side means each of the 86 homes finishing at $403K rather than the $236K the model assumes — 71% more. Closing it from the cost side means getting all-in cost down from $360 to $211 per square foot.

A modeled RESIDE grant of $5.2M moves that threshold to $343K a home. That is still above the $236K assumed, leaving $9.2M uncovered, which is why the grant does not unlock this one.

Nor do all four levers have to move. For 1890 Wynkoop St, one alone would close the gap at:

Single-assumption flip points for 1890 Wynkoop St, each holding the other three at their defaults.

Average unit sizethe binding constraint — the least this building would need	27% downto 551 sq ft
Conversion cost per square foot	37% downto $164/sq ft
Completed value per home	45% upto $343K

All four are sliders in the survey, where 1890 Wynkoop St re-scores against your own numbers.

How it compares in Greater Downtown Denver

1890 Wynkoop St ranks 121st of the 214 buildings screened here, against a median score of 72.

Its floor plate is better lit than 55% of them, and shallower than 40% of them at its deepest interior point. On size it is the 171st largest by estimated homes. The full survey of all 214 buildings ranks and maps every one of them, and the list by address links each to its own page.

Within Union Station and the D-LD zone

26th of 55 in Union Station, 13th of 29 zoned D-LD — the comparison that shares its rules, rents and streets.

Denver places 55 of the screened buildings in Union Station. 1890 Wynkoop St ranks 26th of them against a median score of 69. 23 score 70 or more, their median deepest interior point is 61 ft from a facade against this building’s 61 ft, and together they would hold an estimated 13,167 homes. The group’s top scorer is 1600 17th St, at 95.

29 of the screened buildings are zoned D-LD. 1890 Wynkoop St ranks 13th of them against a median score of 68. 10 score 70 or more, their median deepest interior point is 61 ft from a facade against this building’s 61 ft, and together they would hold an estimated 5,069 homes. The group’s top scorer is 1600 17th St, at 95.

Its nearest match in size: 2255 Champa St

The screened building closest to 1890 Wynkoop St in converted floor area is 2255 Champa St: 95,190 sq ft over 7 stories, against 96,329 sq ft over 8 here.

1890 Wynkoop St scores 69 to its 64, and with the size held roughly equal most of that lead comes from daylight efficiency: 89 out of 100 here, 80 there (80% of the floor area within 35 ft of a facade, scored from 40% up to 90%). On the money they sit in the same place: each falls short even with the modeled grant. The two stand about 3,200 ft apart.

Would it qualify for a RESIDE Act grant?

The model awards 1890 Wynkoop St $5.2M, on the assumption it qualifies. Whether it does, no published dataset can say.

That figure assumes the building meets the Act’s vacant-and-abandoned test, which turns on code-enforcement and receivership records no city publishes.

It does not sit in a 2018 designated Opportunity Zone, so it would not draw that Section 201 priority.

Other buildings screened near 1890 Wynkoop St

The 4 closest the screen also covers, from 140 ft away. They are the colored outlines on the plan at the top of this page.

1863 Wazee St
7 stories · 82% daylit · already a condominium building
about 140 ft away
1621 18th St
6 stories · 73% daylit · 88 estimated homes · scores 60/100 (Worth a feasibility study)
about 210 ft away
1899 Wynkoop St
12 stories · 76% daylit · 159 estimated homes · scores 65/100 (Worth a feasibility study)
about 280 ft away
1801 Wynkoop St
10 stories · 74% daylit · already a condominium building
about 300 ft away

A screen, not a feasibility study, from outlines and heights rather than plans: the method and how to correct a figure. If you know this building’s interior, you know what this model cannot see.