3660 89th Ave
Thornton, CO 80229
5 bd 2 ba 1,824 sqft Built 1977 Lot 7,000 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 | $23,800 | $6,120 | $29,920 | $2,833 |
| 2023 | $26,050 | $5,610 | $31,660 | $2,607 |
| 2022 | $16,660 | $5,770 | $22,430 | $2,235 |
| 2021 | $17,140 | $5,930 | $23,070 | $2,108 |
| 2020 | $17,310 | $5,930 | $23,240 | $2,162 |
| 2019 | $17,310 | $5,930 | $23,240 | $2,174 |
| 2018 | $12,560 | $5,040 | $17,600 | $1,749 |
| 2017 | $12,560 | $5,040 | $17,600 | $1,714 |
| 2016 | $11,490 | $2,710 | $14,200 | $1,411 |
| 2015 | $11,490 | $2,710 | $14,200 | $1,234 |
| 2014 | $8,510 | $2,150 | $10,660 | $952 |
| 2013 | $8,510 | $2,150 | $10,660 | $939 |
| 2011 | $8,590 | $2,390 | $10,980 | $933 |
| 2010 | $8,590 | $2,390 | $10,980 | $965 |
| 2009 | $8,980 | $2,390 | $11,370 | $925 |
| 2007 | $10,350 | $2,710 | $13,060 | $1,013 |
Property facts
Year built
1977
Property type
single_family
Stories
1
Beds
5
Baths
2
Living area
1,824 sqft
Lot size
7,000 sqft
ZIP code
80229
City
Thornton
Street
89th Ave
Coordinates
39.85770, -104.94358
Comparable properties nearby
Frequently asked questions
When did 3660 89th Ave last sell?
No public-record sale is on file for 3660 89th Ave.
What is the current tax assessment for 3660 89th Ave?
The most recent total assessment for 3660 89th Ave (year 2025) is $29,920 with $2,833 in property tax.
When was 3660 89th Ave built?
3660 89th Ave was built in 1977.
How does 3660 89th Ave compare to others on 89th Ave?
We track 8 other properties on 89th Ave. Browse the list under "Other properties on 89th Ave" to compare beds, baths, and sale history.
What are the property facts for 3660 89th Ave?
3660 89th Ave is a 5 bed, 2 bath, 1,824 sqft, 7,000 sqft lot single_family.
Is 3660 89th Ave a flip candidate?
No — 3660 89th Ave does not appear in our flips dataset.
Is 3660 89th Ave a tax-appeal candidate?
No — 3660 89th 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
-2.5%
Implied 1-yr
-9.8%
2026 Q3
$362.5K
2026 Q4
$351.9K
ZIP 80229 — Median Price History + Forecast
Explore nearby
Geography
Other properties on 89th Ave