4550 121st Pl
Thornton, CO 80241
4 bd 3 ba 2,760 sqft Built 1980 Lot 7,526 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 | $27,680 | $6,530 | $34,210 | $3,084 |
| 2023 | $32,670 | $5,820 | $38,490 | $2,869 |
| 2022 | $21,100 | $5,980 | $27,080 | $2,983 |
| 2021 | $21,710 | $6,150 | $27,860 | $3,082 |
| 2020 | $19,250 | $6,150 | $25,400 | $2,833 |
| 2019 | $19,250 | $6,150 | $25,400 | $2,839 |
| 2018 | $16,490 | $6,700 | $23,190 | $2,668 |
| 2017 | $16,490 | $6,700 | $23,190 | $2,426 |
| 2016 | $14,720 | $3,340 | $18,060 | $1,940 |
| 2015 | $14,720 | $3,340 | $18,060 | $1,938 |
| 2014 | $13,490 | $2,710 | $16,200 | $1,788 |
| 2013 | $13,490 | $2,710 | $16,200 | $1,781 |
| 2011 | $12,360 | $2,630 | $14,990 | $1,672 |
| 2010 | $12,360 | $2,630 | $14,990 | $1,725 |
| 2009 | $12,820 | $2,630 | $15,450 | $1,721 |
| 2007 | $14,540 | $3,180 | $17,720 | $1,874 |
Property facts
Year built
1980
Property type
single_family
Stories
2
Beds
4
Baths
3
Living area
2,760 sqft
Lot size
7,526 sqft
ZIP code
80241
City
Thornton
Street
121st Pl
Coordinates
39.91627, -104.93203
Comparable properties nearby
Frequently asked questions
When did 4550 121st Pl last sell?
No public-record sale is on file for 4550 121st Pl.
What is the current tax assessment for 4550 121st Pl?
The most recent total assessment for 4550 121st Pl (year 2025) is $34,210 with $3,084 in property tax.
When was 4550 121st Pl built?
4550 121st Pl was built in 1980.
How does 4550 121st Pl compare to others on 121st Pl?
We track 8 other properties on 121st Pl. Browse the list under "Other properties on 121st Pl" to compare beds, baths, and sale history.
What are the property facts for 4550 121st Pl?
4550 121st Pl is a 4 bed, 3 bath, 2,760 sqft, 7,526 sqft lot single_family.
Is 4550 121st Pl a flip candidate?
No — 4550 121st Pl does not appear in our flips dataset.
Is 4550 121st Pl a tax-appeal candidate?
No — 4550 121st Pl 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 Pl