BuildingCensus

Mcnichols Building

Commercial-Office · Denver · 80202 · 144 W COLFAX AVE

At a glance

Mcnichols Building (144 W COLFAX AVE) in Denver, CO is listed on the Denver property roll as “Commercial-Office”, schedule number 0503300002000. The roll records 40,933 sq ft of building area, 3 floors, a 1909 build year and an assessed value of $6,380,000.

Active records here
0
business-tax + registry entities
Building area
40,933
sq ft (county roll)
Floors
3
county roll
Year built
1909
vintage
Assessed value
$6.4M
current roll
Assessed / sq ft
$156
assessed value per sq ft
Last sold
—
no transfer on record
Sale / sq ft
—
not derivable from the record

Denver assessment roll

Parcel record

FieldValue
schedule number0503300002000
Site address144 W COLFAX AVE
Land use (DOR)301 — Commercial-Office
Building area (actual)40,933 sq ft
Floors / units / buildings3 / — / —
Lot size519,000 sq ft
Year built1909
Zoning (primary)—
Land value$778,500
Building value—
Total assessed value$6,380,000

Recorded owner (assessment roll)

CITY & COUNTY OF DENVER

Owner mailing address: 201 W COLFAX AVE DEPT 401, DENVER, CO, 80202

42 Denver office properties share this owner mailing address →
Commercial property is usually held one building per entity; a shared mailbox is how the roll reveals a portfolio. It is evidence of common ownership, not proof.

Location

Address
144 W COLFAX AVE
City
Denver
ZIP
80202

Within ~650 m

Nearby office buildings

No other office parcels within ~650 m.

How does Mcnichols Building compare with other Denver office buildings?

At 40,933 sq ft, Mcnichols Building is about 21% smaller than the average office building on the Denver roll, which comes to 51,722 sq ft across 2,022 buildings.

Its assessed value works out to $156 per square foot of building area, against $207 across all office floor area on the roll.

Does the owner of Mcnichols Building hold other Denver office property?

42 Denver office properties (42 parcels, 3.2M sq ft) are recorded to an owner sharing this parcel's tax-bill mailing address. A shared mailing address is evidence of common ownership, not proof of it.

What does “Commercial-Office” mean for this parcel?

The Denver roll classifies schedule number 0503300002000 as “Commercial-Office” (use code 301). BuildingCensus includes a parcel in its office census when the roll gives it an office-class use, so the label is the county's, not an inference.

Frequently asked questions

Who owns Mcnichols Building?

The recorded owner on the Denver assessment roll (current) is CITY & COUNTY OF DENVER. Owner mailing address on file: 201 W COLFAX AVE DEPT 401, DENVER, CO, 80202.

How big is Mcnichols Building?

The Denver roll records 40,933 sq ft of building area, 3 floors, a build year of 1909. It sits on a 519,000 sq ft lot.

What is the assessed value of Mcnichols Building?

$6,380,000 on the Denver roll. Assessed values are taxable-roll figures, not market prices.

What is the schedule number for Mcnichols Building?

Schedule number 0503300002000, site address 144 W COLFAX AVE, Denver. It is the key to look the parcel up in the City and County of Denver open-data parcels (Denver).

More around Mcnichols Building

Everything here comes from public records, and public records go stale. If you know better, say so.

Data provenance — public records only

  • Denver — City and County of Denver open-data parcels (owner names, mailing addresses, office classes, commercial areas), the recorded sales and transfers table with prices and counterparties, and Energize Denver benchmarking. The city's licence roll covers regulated trades only and carries no premises addresses, so no tenant layer is possible.

Every fact on this page is drawn from the government records above — no listing sites, no scraped platforms, no third-party images. Facts from public records are uncopyrightable; each tenancy row carries its source and match confidence. Records can lag reality — a business-tax receipt or registration at an address is evidence of occupancy, not a lease confirmation.

Working with Denver office parcels? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

Dataset updated . Source: Denver assessment roll, schedule number 0503300002000.

About this data

Source: City and County of Denver open-data parcels (Denver), as published September 20, 2026. See the methodology for how records are matched, cleaned and scored.

Cite as: BuildingCensus, “Mcnichols Building, Denver, CO (schedule number 0503300002000)”, https://buildingcensus.com/offices/denver/mcnichols-building-23c811ee (data as of September 20, 2026).