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.
Denver assessment roll
Parcel record
| Field | Value |
|---|---|
| schedule number | 0235509020000 |
| Site address | 1800 N WILLIAMS ST |
| Land use (DOR) | 322 — Commercial-Medical Office |
| Building area (actual) | 39,535 sq ft |
| Floors / units / buildings | 3 / — / — |
| Lot size | 33,250 sq ft |
| Year built | 1993 |
| 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.
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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).