4451 121st Ct
Thornton, CO 80241
3 bd 3 ba 2,555 sqft Built 1979 Lot 8,775 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 | $26,790 | $6,530 | $33,320 | $3,750 |
| 2023 | $32,130 | $5,820 | $37,950 | $3,507 |
| 2022 | $21,240 | $5,980 | $27,220 | $2,998 |
| 2021 | $21,850 | $6,150 | $28,000 | $3,098 |
| 2020 | $20,080 | $6,150 | $26,230 | $2,926 |
| 2019 | $20,080 | $6,150 | $26,230 | $2,932 |
| 2018 | $15,510 | $6,700 | $22,210 | $2,555 |
| 2017 | $15,510 | $6,700 | $22,210 | $2,323 |
| 2016 | $13,580 | $3,340 | $16,920 | $1,818 |
| 2015 | $13,580 | $3,340 | $16,920 | $1,815 |
| 2014 | $13,160 | $2,710 | $15,870 | $1,751 |
| 2013 | $13,160 | $2,710 | $15,870 | $1,745 |
| 2011 | $13,730 | $2,630 | $16,360 | $1,825 |
| 2010 | $13,730 | $2,630 | $16,360 | $1,932 |
| 2009 | $14,670 | $2,630 | $17,300 | $1,927 |
| 2007 | $14,530 | $3,180 | $17,710 | $1,873 |
Property facts
Year built
1979
Property type
single_family
Stories
2
Beds
3
Baths
3
Living area
2,555 sqft
Lot size
8,775 sqft
ZIP code
80241
City
Thornton
Street
121st Ct
Coordinates
39.91598, -104.93383
Comparable properties nearby
Frequently asked questions
When did 4451 121st Ct last sell?
No public-record sale is on file for 4451 121st Ct.
What is the current tax assessment for 4451 121st Ct?
The most recent total assessment for 4451 121st Ct (year 2025) is $33,320 with $3,750 in property tax.
When was 4451 121st Ct built?
4451 121st Ct was built in 1979.
How does 4451 121st Ct compare to others on 121st Ct?
We track 5 other properties on 121st Ct. Browse the list under "Other properties on 121st Ct" to compare beds, baths, and sale history.
What are the property facts for 4451 121st Ct?
4451 121st Ct is a 3 bed, 3 bath, 2,555 sqft, 8,775 sqft lot single_family.
Is 4451 121st Ct a flip candidate?
No — 4451 121st Ct does not appear in our flips dataset.
Is 4451 121st Ct a tax-appeal candidate?
No — 4451 121st Ct 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
+8.4%
2026 Q3
$570.8K
2026 Q4
$581.4K
ZIP 80241 — Median Price History + Forecast
Explore nearby
Geography
Other properties on 121st Ct