621 4th Ave
Longmont, CO 80504
4 bd 2 ba 1,375 sqft Built 1972 Lot 7,612 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 | $15,219 | $10,250 | $25,469 | $2,673 |
| 2024 | $15,219 | $10,250 | $25,469 | $2,278 |
| 2023 | $16,187 | $11,323 | $27,510 | $2,247 |
| 2022 | $12,760 | $7,993 | $20,753 | $2,053 |
| 2021 | $13,127 | $8,223 | $21,350 | $2,080 |
| 2020 | $10,353 | $7,079 | $17,432 | $1,693 |
| 2019 | $10,353 | $7,079 | $17,432 | $1,666 |
| 2018 | $9,374 | $5,904 | $15,278 | $1,451 |
| 2017 | $9,374 | $5,904 | $15,278 | $1,431 |
| 2016 | $7,896 | $5,254 | $13,150 | $1,256 |
| 2015 | $7,896 | $5,254 | $13,150 | $1,197 |
| 2014 | $7,275 | $3,025 | $10,300 | $958 |
| 2013 | $7,275 | $3,025 | $10,300 | $962 |
| 2011 | $7,403 | $3,980 | $11,383 | $988 |
| 2010 | $7,403 | $3,980 | $11,383 | $972 |
| 2009 | $7,403 | $3,980 | $11,383 | $955 |
| 2008 | $8,230 | $3,880 | $12,110 | $1,016 |
Property facts
Year built
1972
Property type
single_family
Stories
1
Beds
4
Baths
2
Living area
1,375 sqft
Lot size
7,612 sqft
ZIP code
80504
City
Longmont
Street
4th Ave
Coordinates
40.16434, -105.08010
Comparable properties nearby
Frequently asked questions
When did 621 4th Ave last sell?
No public-record sale is on file for 621 4th Ave.
What is the current tax assessment for 621 4th Ave?
The most recent total assessment for 621 4th Ave (year 2025) is $25,469 with $2,673 in property tax.
When was 621 4th Ave built?
621 4th Ave was built in 1972.
How does 621 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 621 4th Ave?
621 4th Ave is a 4 bed, 2 bath, 1,375 sqft, 7,612 sqft lot single_family.
Is 621 4th Ave a flip candidate?
No — 621 4th Ave does not appear in our flips dataset.
Is 621 4th Ave a tax-appeal candidate?
No — 621 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
-32.1%
Implied 1-yr
-128.3%
2026 Q3
$537.5K
2026 Q4
$537.5K
ZIP 80504 — Median Price History + Forecast
Explore nearby
Geography
Other properties on 4th Ave