BuildingCensus

1801 California Bldg

Commercial-Office · Denver · 1801 CALIFORNIA ST

At a glance

1801 California Bldg (1801 CALIFORNIA ST) in Denver, CO is listed on the Denver property roll as “Commercial-Office”, schedule number 0234513034000. The roll records 1,567,575 sq ft of building area, 54 floors, a 1982 build year and an assessed value of $186,155,500. It last sold for $285,600,000 in Mar 2018.

Active records here
0
business-tax + registry entities
Building area
1,567,575
sq ft (county roll)
Floors
54
county roll
Year built
1982
vintage
Assessed value
$186.2M
current roll
Assessed / sq ft
$119
assessed value per sq ft
Last sold
$285.6M
Mar 2018
Sale / sq ft
$182
at the last recorded sale

Recorded transfers — county roll + state sale file

Sale history

RecordedPriceQualificationSourceInstrument
Mar 2018$285,600,000not ratedCounty roll—

Prices are the consideration recorded in Denver's public property records. Where a qualification code exists it is the assessor's judgement of whether a transfer was arm's length; transfers without one appear unrated rather than assumed clean. Whether a building is on the market today, and at what price, is not a public record and is not shown here — asking prices, listings and lease terms live in private commercial databases.

Denver assessment roll

Parcel record

FieldValue
schedule number0234513034000
Site address1801 CALIFORNIA ST
Land use (DOR)304 — Commercial-Office
Building area (actual)1,567,575 sq ft
Floors / units / buildings54 / — / —
Lot size—
Year built1982
Zoning (primary)—
Land value—
Building value—
Total assessed value$186,155,500

Recorded owner (assessment roll)

BPREP 1801 CALIFORNIA STREET OWNER LLC

Owner mailing address: 370 17TH ST STE 3090, DENVER, CO, 80202

4 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
1801 CALIFORNIA ST
City
Denver

Within ~650 m

Nearby office buildings

No other office parcels within ~650 m.

How does 1801 California Bldg compare with other Denver office buildings?

At 1,567,575 sq ft, 1801 California Bldg is about 30 times the size of the average office building on the Denver roll, which comes to 51,722 sq ft across 2,022 buildings.

With 54 floors it is one of 112 office buildings of ten or more floors in the metro.

Its assessed value works out to $119 per square foot of building area, against $207 across all office floor area on the roll.

The last recorded sale priced it at $182 per square foot.

Does the owner of 1801 California Bldg hold other Denver office property?

4 Denver office properties (4 parcels, 3.2M sq ft) are recorded to 3 owner entities sharing this parcel's tax-bill mailing address. A shared mailing address is evidence of common ownership, not proof of it.

What has happened at 1801 California Bldg recently?

1 recorded transfer is on file for this parcel, the latest dated Mar 2018.

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

The Denver roll classifies schedule number 0234513034000 as “Commercial-Office” (use code 304). 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 1801 California Bldg?

The recorded owner on the Denver assessment roll (current) is BPREP 1801 CALIFORNIA STREET OWNER LLC. Owner mailing address on file: 370 17TH ST STE 3090, DENVER, CO, 80202.

How big is 1801 California Bldg?

The Denver roll records 1,567,575 sq ft of building area, 54 floors, a build year of 1982.

What is the assessed value of 1801 California Bldg?

$186,155,500 on the Denver roll. Assessed values are taxable-roll figures, not market prices.

When did 1801 California Bldg last sell?

The last recorded transfer was in Mar 2018 for $285,600,000 ($182 per square foot).

What is the schedule number for 1801 California Bldg?

Schedule number 0234513034000, site address 1801 CALIFORNIA ST, Denver. It is the key to look the parcel up in the City and County of Denver open-data parcels (Denver).

More around 1801 California Bldg

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 0234513034000.

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, “1801 California Bldg, Denver, CO (schedule number 0234513034000)”, https://buildingcensus.com/offices/denver/1801-california-bldg-14395475 (data as of September 20, 2026).