51 21st Ave
Longmont, CO 80501
3 bd 2 ba 1,333 sqft Built 2000 townhomes
Most recent sale
$265,000
Jan 23, 2020
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Apr 18, 2024 | Listed | $375,000 | REcolorado |
| Jan 23, 2020 | Sold | $265,000 | Public Record |
| Dec 31, 2019 | Listing removed | — | REcolorado |
| Dec 30, 2019 | Sold | $265,000 | IRES |
| Nov 16, 2019 | Listed | $265,000 | REcolorado |
| Apr 7, 2017 | Sold | $241,000 | IRES |
| Feb 28, 2017 | Listed | $237,000 | IRES |
| Jun 6, 2000 | Sold | $134,700 | Public Record |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $21,288 | — | $21,288 | $2,234 |
| 2024 | $21,288 | — | $21,288 | $1,829 |
| 2023 | $22,813 | — | $22,813 | $1,804 |
| 2022 | $19,794 | — | $19,794 | $1,958 |
| 2021 | $20,363 | — | $20,363 | $1,984 |
| 2020 | $17,968 | — | $17,968 | $1,745 |
| 2019 | $17,968 | — | $17,968 | $1,717 |
| 2018 | $12,794 | — | $12,794 | $1,215 |
| 2017 | $12,794 | — | $12,794 | $1,198 |
| 2016 | $10,451 | — | $10,451 | $998 |
| 2015 | $10,451 | — | $10,451 | $951 |
| 2014 | $8,342 | — | $8,342 | $776 |
| 2013 | $8,342 | — | $8,342 | $779 |
| 2011 | $8,915 | — | $8,915 | $774 |
| 2010 | $8,915 | — | $8,915 | $850 |
| 2009 | $8,915 | — | $8,915 | $835 |
| 2008 | $11,690 | — | $11,690 | $981 |
| 2007 | — | — | $11,685 | $875 |
Property facts
Year built
2000
Property type
townhomes
Stories
2
Beds
3
Baths
2
Living area
1,333 sqft
Lot size
—
ZIP code
80501
City
Longmont
Street
21st Ave
Coordinates
40.19460, -105.09346
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 51 21st Ave last sell?
51 21st Ave most recently sold on Jan 23, 2020 for $265,000.
What is the current tax assessment for 51 21st Ave?
The most recent total assessment for 51 21st Ave (year 2025) is $21,288 with $2,234 in property tax.
How does 51 21st Ave's assessment compare to its last sale price?
The current assessment is 92.0% below the last sale price of $265,000.
When was 51 21st Ave built?
51 21st Ave was built in 2000.
How does 51 21st Ave compare to others on 21st Ave?
We track 8 other properties on 21st Ave. Browse the list under "Other properties on 21st Ave" to compare beds, baths, and sale history.
What are the property facts for 51 21st Ave?
51 21st Ave is a 3 bed, 2 bath, 1,333 sqft townhomes.
Is 51 21st Ave a flip candidate?
No — 51 21st Ave does not appear in our flips dataset.
Is 51 21st Ave a tax-appeal candidate?
No — 51 21st Ave is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+2.1%
Implied 1-yr
+8.3%
2026 Q3
$541.1K
2026 Q4
$551K
ZIP 80501 — Median Price History + Forecast
Explore nearby
Geography
Other properties on 21st Ave