BuildingCensus

Rocky Mtn Cancer Cnt

Commercial-Medical Office · Denver · 80218 · 1800 N WILLIAMS ST

At a glance

Rocky Mtn Cancer Cnt (1800 N WILLIAMS ST) in Denver, CO is listed on the Denver property roll as “Commercial-Medical Office”, schedule number 0235509020000. The roll records 39,535 sq ft of building area, 3 floors, a 1993 build year and an assessed value of $6,116,900.

Active records here
0
business-tax + registry entities
Building area
39,535
sq ft (county roll)
Floors
3
county roll
Year built
1993
vintage
Assessed value
$6.1M
current roll
Assessed / sq ft
$155
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 number0235509020000
Site address1800 N WILLIAMS ST
Land use (DOR)322 — Commercial-Medical Office
Building area (actual)39,535 sq ft
Floors / units / buildings3 / — / —
Lot size33,250 sq ft
Year built1993
Zoning (primary)—
Land value$3,990,000
Building value—
Total assessed value$6,116,900

Recorded owner (assessment roll)

CNL RETIREMENT MOP DENVER CO LP

Owner mailing address: 1920 MAIN ST STE 1200, IRVINE, CA, 92614

16 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
1800 N WILLIAMS ST
City
Denver
ZIP
80218

Within ~650 m

Nearby office buildings

No other office parcels within ~650 m.

How does Rocky Mtn Cancer Cnt compare with other Denver office buildings?

At 39,535 sq ft, Rocky Mtn Cancer Cnt is about 24% 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 $155 per square foot of building area, against $207 across all office floor area on the roll.

Does the owner of Rocky Mtn Cancer Cnt hold other Denver office property?

16 Denver office properties (16 parcels, 2.2M sq ft) are recorded to 11 owner entities sharing this parcel's tax-bill mailing address. A shared mailing address is evidence of common ownership, not proof of it.

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

The Denver roll classifies schedule number 0235509020000 as “Commercial-Medical Office” (use code 322). 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 Rocky Mtn Cancer Cnt?

The recorded owner on the Denver assessment roll (current) is CNL RETIREMENT MOP DENVER CO LP. Owner mailing address on file: 1920 MAIN ST STE 1200, IRVINE, CA, 92614.

How big is Rocky Mtn Cancer Cnt?

The Denver roll records 39,535 sq ft of building area, 3 floors, a build year of 1993. It sits on a 33,250 sq ft lot.

What is the assessed value of Rocky Mtn Cancer Cnt?

$6,116,900 on the Denver roll. Assessed values are taxable-roll figures, not market prices.

What is the schedule number for Rocky Mtn Cancer Cnt?

Schedule number 0235509020000, site address 1800 N WILLIAMS ST, Denver. It is the key to look the parcel up in the City and County of Denver open-data parcels (Denver).

More around Rocky Mtn Cancer Cnt

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 0235509020000.

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, “Rocky Mtn Cancer Cnt, Denver, CO (schedule number 0235509020000)”, https://buildingcensus.com/offices/denver/rocky-mtn-cancer-cnt-850261ca (data as of September 20, 2026).