423 4th Ave
Longmont, CO 80504
3 bd 1 ba 1,075 sqft Built 1971 Lot 7,407 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 | $11,925 | $10,106 | $22,031 | $2,312 |
| 2024 | $11,925 | $10,106 | $22,031 | $1,915 |
| 2023 | $12,542 | $11,169 | $23,711 | $1,889 |
| 2022 | $10,050 | $7,888 | $17,938 | $1,775 |
| 2021 | $10,339 | $8,115 | $18,454 | $1,798 |
| 2020 | $8,830 | $7,007 | $15,837 | $1,538 |
| 2019 | $8,830 | $7,007 | $15,837 | $1,514 |
| 2018 | $8,698 | $5,832 | $14,530 | $1,380 |
| 2017 | $8,698 | $5,832 | $14,530 | $1,361 |
| 2016 | $7,180 | $5,174 | $12,354 | $1,180 |
| 2015 | $7,180 | $5,174 | $12,354 | $1,125 |
| 2014 | $7,156 | $3,025 | $10,181 | $947 |
| 2013 | $7,156 | $3,025 | $10,181 | $950 |
| 2011 | $7,045 | $3,940 | $10,985 | $954 |
| 2010 | $7,045 | $3,940 | $10,985 | $952 |
| 2009 | $7,045 | $3,940 | $10,985 | $935 |
| 2008 | $8,530 | $3,880 | $12,410 | $1,042 |
Property facts
Year built
1971
Property type
single_family
Stories
1
Beds
3
Baths
1
Living area
1,075 sqft
Lot size
7,407 sqft
ZIP code
80504
City
Longmont
Street
4th Ave
Coordinates
40.16435, -105.08270
Comparable properties nearby
Frequently asked questions
When did 423 4th Ave last sell?
No public-record sale is on file for 423 4th Ave.
What is the current tax assessment for 423 4th Ave?
The most recent total assessment for 423 4th Ave (year 2025) is $22,031 with $2,312 in property tax.
When was 423 4th Ave built?
423 4th Ave was built in 1971.
How does 423 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 423 4th Ave?
423 4th Ave is a 3 bed, 1 bath, 1,075 sqft, 7,407 sqft lot single_family.
Is 423 4th Ave a flip candidate?
No — 423 4th Ave does not appear in our flips dataset.
Is 423 4th Ave a tax-appeal candidate?
No — 423 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