Property profile

420 21st Ave Longmont, CO 80501

OFF-MARKET
Office buildings
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Property ID
US13-0169953
7,577 SF 0.79 ac Built 1984
Last sale Apr 2024·$1,000,000
Individually Owned Owner of record is an individual. 24-yr Hold Held for 24 years. Absentee Owner Owner mailing address differs from the property address. ~ Est. High Equity Modeled equity is high. Estimate, not a fact.
Market Trends Soon

Ownership intelligence

Who controls the opportunity?

Owner of record from public deeds, plus portfolio, hold profile and investor signals where the data supports them. Included with a plan.

Owner contacts

Can we reach the decision maker?

Skip-traced phones and e-mails of the owner. Included with a plan.

Debts

What is owed, to whom, and when it comes due

Recorded lenders, amounts and estimated maturities of the owner's loan book — included with a plan.

Property tax · 2023

What does the county charge?
$35k
Tax billed · 2023
Assessed value$375k
Assessed land$119k
Assessed improvement$256k
Effective rate9.22%

Value estimate

· Nov 2026
$430k
$387k – $473k
Submarket $/SF estimate$934k

Realmo valuation models over county records and 5 qualifying comparable sales.

Recently sold

What actually traded nearby?
$314/SF
ZIP average, outlier-cleaned · 33 recorded sales of this use type
Observed band · Q1–Q3$180 – $450
Qualifying comparables5

Cap rate analysis

How does the asset earn?

No income signal is modeled for this parcel yet — the Cap Rates tab runs the workflow.

Zoning insight

What can be built here?
2120
JurisdictionBOULDER

Location intelligence

Which uses thrive at this corner?
Best fit: Law Firm
Demand heat for this use is drawn on the map · LocInt grid
Demand index
Law Firm16.8
Parking Facility13.0
Hair Salon11.2

Location

420 21st Ave Longmont, CO 80501-1441
County assessor Recorded deeds · 2 transfers 5 qualifying comp sales Zoning catalog

Every figure names its source: public record, benchmark, or modeled. Coverage varies by property — thin data is stated as missing, never invented.

Comparables

6 recorded sales · 16 properties nearby
Recent sales nearby
6 recorded sales in this ZIP, last 8 years
Address Sale price Sold Size
2080 Main, Longmont, CO 80501-1916 $1,235,000 Jul 2024 5,512 SF
1501 Sunset, Longmont, CO 80501-6756 $7,915,800 Oct 2023 9,815 SF
325 Main, Longmont, CO 80501-5532 $865,000 Oct 2023 5,525 SF
721 5th, Longmont, CO 80501-5420 $585,000 Jul 2023 7,686 SF
201 Terry, Longmont, CO 80501-5977 $1,050,000 Mar 2023 7,340 SF
385 Main St, Longmont, CO 80501-5571 $2,070,000 Dec 2022 9,289 SF
Sale prices and dates as our records hold them, one row per building. A deed can cover more of a building than the size shown, so read the price against the size rather than dividing one by the other.
Comparable nearby
6 properties of the same type nearby
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Rey answers here. ChatGPT, Grok and Claude get the same data packet.

Includes: Price & PSF · Cap rate · Location · Zoning

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