21 4th Ave
Longmont, CO 80501
2 bd 1 ba 716 sqft Built 1950 Lot 4,695 sqft single_family
No recorded sales
Location
Timeline: Sale, Listing & Tax History
Recorded events
No recorded events
No sale or listing events are on file for this property.
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $17,563 | $6,113 | $23,676 | $2,485 |
| 2024 | $17,563 | $6,113 | $23,676 | $2,171 |
| 2023 | $19,665 | $6,727 | $26,392 | $2,142 |
| 2022 | $14,574 | $4,886 | $19,460 | $1,925 |
| 2021 | $14,994 | $5,026 | $20,020 | $1,950 |
| 2020 | $14,464 | $5,720 | $20,184 | $1,960 |
| 2019 | $14,464 | $5,720 | $20,184 | $1,929 |
| 2018 | $6,538 | $5,760 | $12,298 | $1,168 |
| 2017 | $6,538 | $5,760 | $12,298 | $1,152 |
| 2016 | $5,691 | $5,413 | $11,104 | $1,061 |
| 2015 | $5,691 | $5,413 | $11,104 | $1,011 |
| 2014 | $5,317 | $3,582 | $8,899 | $828 |
| 2013 | $5,317 | $3,582 | $8,899 | $831 |
| 2011 | $5,015 | $4,696 | $9,711 | $843 |
| 2010 | $5,015 | $4,696 | $9,711 | $935 |
| 2009 | $5,015 | $4,696 | $9,711 | $918 |
| 2008 | $2,950 | $5,970 | $8,920 | $748 |
Property facts
Year built
1950
Property type
single_family
Stories
1
Beds
2
Baths
1
Living area
716 sqft
Lot size
4,695 sqft
ZIP code
80501
City
Longmont
Street
4th Ave
Coordinates
40.16547, -105.09408
Comparable properties nearby
Frequently asked questions
When did 21 4th Ave last sell?
No public-record sale is on file for 21 4th Ave.
What is the current tax assessment for 21 4th Ave?
The most recent total assessment for 21 4th Ave (year 2025) is $23,676 with $2,485 in property tax.
When was 21 4th Ave built?
21 4th Ave was built in 1950.
How does 21 4th Ave compare to others on 4th Ave?
We track 8 other properties on 4th Ave. Browse the list under "Other properties on 4th Ave" to compare beds, baths, and sale history.
What are the property facts for 21 4th Ave?
21 4th Ave is a 2 bed, 1 bath, 716 sqft, 4,695 sqft lot single_family.
Is 21 4th Ave a flip candidate?
No — 21 4th Ave does not appear in our flips dataset.
Is 21 4th Ave a tax-appeal candidate?
No — 21 4th 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 4th Ave