1643 18th Ave
Longmont, CO 80501
3 bd 2 ba 1,820 sqft Built 1986 Lot 3,786 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 | $24,813 | $4,194 | $29,007 | $3,045 |
| 2024 | $24,813 | $4,194 | $29,007 | $2,696 |
| 2023 | $27,169 | $4,703 | $31,872 | $2,659 |
| 2022 | $21,003 | $3,461 | $24,464 | $2,420 |
| 2021 | $21,607 | $3,561 | $25,168 | $2,452 |
| 2020 | $20,563 | $3,075 | $23,638 | $2,296 |
| 2019 | $20,563 | $3,075 | $23,638 | $2,259 |
| 2018 | $16,445 | $2,736 | $19,181 | $1,821 |
| 2017 | $16,445 | $2,736 | $19,181 | $1,797 |
| 2016 | $12,577 | $3,821 | $16,398 | $1,567 |
| 2015 | $12,577 | $3,821 | $16,398 | $1,493 |
| 2014 | $9,257 | $4,298 | $13,555 | $1,261 |
| 2013 | $9,257 | $4,298 | $13,555 | $1,266 |
| 2011 | $9,751 | $3,622 | $13,373 | $1,161 |
| 2010 | $9,751 | $3,622 | $13,373 | $1,256 |
| 2009 | $9,751 | $3,622 | $13,373 | $1,234 |
| 2008 | $12,210 | $3,980 | $16,190 | $1,359 |
Property facts
Year built
1986
Property type
single_family
Stories
1
Beds
3
Baths
2
Living area
1,820 sqft
Lot size
3,786 sqft
ZIP code
80501
City
Longmont
Street
18th Ave
Coordinates
40.19109, -105.11842
Comparable properties nearby
Frequently asked questions
When did 1643 18th Ave last sell?
No public-record sale is on file for 1643 18th Ave.
What is the current tax assessment for 1643 18th Ave?
The most recent total assessment for 1643 18th Ave (year 2025) is $29,007 with $3,045 in property tax.
When was 1643 18th Ave built?
1643 18th Ave was built in 1986.
How does 1643 18th Ave compare to others on 18th Ave?
We track 8 other properties on 18th Ave. Browse the list under "Other properties on 18th Ave" to compare beds, baths, and sale history.
What are the property facts for 1643 18th Ave?
1643 18th Ave is a 3 bed, 2 bath, 1,820 sqft, 3,786 sqft lot single_family.
Is 1643 18th Ave a flip candidate?
No — 1643 18th Ave does not appear in our flips dataset.
Is 1643 18th Ave a tax-appeal candidate?
No — 1643 18th 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 18th Ave